10-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-K

x Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange
Act of 1934
for the fiscal year ended July 31, 2012 or

o Transition Report Pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934
for the transition period from __________ to __________

Commission File Number: 1-7891

DONALDSON COMPANY, INC.

(Exact name of registrant as specified in its charter)

Delaware	41-0222640
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	Identification No.)

1400 West 94th Street, Minneapolis, Minnesota	55431
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (952) 887-3131

Securities registered pursuant to Section 12(b) of the Act:

	Title of each class		Name of each exchange on which registered
Common Stock, $5 Par Value		New York Stock Exchange
Preferred Stock Purchase Rights		New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: NONE

          Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. x Yes o No

          Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. o Yes x No

          Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. x Yes o No

          Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such short period that the registrant was required to submit and post such files) x Yes o No

          Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. o

          Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer x	Accelerated filer o
Non-accelerated filer o	Smaller reporting company o
(Do not check if a smaller reporting company)

          Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).

          o Yes x No

          As of January 27, 2012, the last business day of the registrant’s most recently completed second fiscal quarter, the aggregate market value of voting and non-voting common stock held by non-affiliates of the registrant was $5,280,285,517 (based on the closing price of $35.81 as reported on the New York Stock Exchange as of that date).

          As of August 31, 2012, there were approximately 147,576,674 shares of the registrant’s common stock outstanding.

Documents Incorporated by Reference

          Portions of the registrant’s Proxy Statement for its 2012 annual meeting of stockholders (the “2012 Proxy Statement”) are incorporated by reference in Part III, as specifically set forth in Part III.

DONALDSON COMPANY, INC.

ANNUAL REPORT ON FORM 10-K

TABLE OF CONTENTS

		Page
PART I
Item 1.	Business	1
	General	1
	Seasonality	1
	Competition	2
	Raw Materials	2
	Patents and Trademarks	2
	Major Customers	2
	Backlog	2
	Research and Development	2
	Environmental Matters	3
	Employees	3
	Geographic Areas	3
Item 1A.	Risk Factors	3
Item 1B.	Unresolved Staff Comments	5
Item 2.	Properties	6
Item 3.	Legal Proceedings	6
Item 4.	Mine Safety Disclosures	7
	Executive Officers of the Registrant	7
PART II
Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	8
Item 6.	Selected Financial Data	11
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	11
	Safe Harbor Statement under the Securities Reform Act of 1995	26
Item 7A.	Quantitative and Qualitative Disclosures about Market Risk	26
Item 8.	Financial Statements and Supplementary Data	27
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	57
Item 9A.	Controls and Procedures	57
Item 9B.	Other Information	58
PART III
Item 10.	Directors, Executive Officers and Corporate Governance	58
Item 11.	Executive Compensation	58
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	58
Item 13.	Certain Relationships and Related Transactions, and Director Independence	59
Item 14.	Principal Accounting Fees and Services	60
	PART IV
Item 15.	Exhibits, Financial Statement Schedules	60
	Signatures	61
	Schedule II – Valuation and Qualifying Accounts	62
	Exhibit Index	63

PART I

Item 1. Business

General

          Donaldson Company, Inc. (“Donaldson” or the “Company”) was founded in 1915 and organized in its present corporate form under the laws of the State of Delaware in 1936.

          The Company is a worldwide manufacturer of filtration systems and replacement parts. The Company’s product mix includes air and liquid filtration systems and exhaust and emission control products. Products are manufactured at 40 plants around the world and through three joint ventures. The Company has two reporting segments: Engine Products and Industrial Products. Products in the Engine Products segment consist of air filtration systems, exhaust and emissions systems, liquid filtration systems, and replacement filters. The Engine Products segment sells to original equipment manufacturers (“OEMs”) in the construction, mining, agriculture, aerospace, defense, and truck markets and to OEM dealer networks, independent distributors, private label accounts, and large equipment fleets. Products in the Industrial Products segment consist of dust, fume, and mist collectors, compressed air purification systems, air filtration systems for gas turbines, PTFE membrane-based products, and specialized air filtration systems for applications including computer hard disk drives. The Industrial Products segment sells to various industrial end-users, OEMs of gas-fired turbines and OEMs and end-users requiring clean air.

          The table below shows the percentage of total net sales contributed by the principal classes of similar products for each of the last three fiscal years:

	Year Ended July 31,
	2012			2011			2010
Engine Products segment
Off-Road Products		15	%		14	%		12	%
On-Road Products		7	%		5	%		4	%
Aftermarket Products*		36	%		38	%		37	%
Retrofit Emissions Products		1	%		1	%		1	%
Aerospace and Defense Products		4	%		5	%		6	%
*includes replacement part sales to the Company’s OEM Customers
Industrial Products segment
Industrial Filtration Solutions Products		22	%		22	%		22	%
Gas Turbine Products		7	%		7	%		8	%
Special Applications Products		8	%		8	%		10	%

          Total net sales contributed by the principal classes of similar products and financial information about segment operations appear in Note L in the Notes to Consolidated Financial Statements on page 52.

          The Company makes its annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K, and amendments to those reports, available free of charge through its website, at www.donaldson.com, as soon as reasonably practicable after it electronically files such material with (or furnishes such material to) the Securities and Exchange Commission. Also available on the Company’s website are corporate governance documents, including the Company’s code of business conduct and ethics, corporate governance guidelines, Audit Committee charter, Human Resources Committee charter, and Corporate Governance Committee charter. These documents are also available in print, free of charge to any shareholder who requests them. The information contained on the Company’s website is not incorporated by reference into this Annual Report on Form 10-K and should not be considered to be part of this Form 10-K.

Seasonality

          A number of the Company’s end markets are dependent on the construction, agricultural, and power generation industries, which are generally stronger in the second half of the Company’s fiscal year. The first two quarters of the fiscal year also contain the traditional summer and winter holiday periods, which are characterized by more Customer plant closures.

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Competition

          Principal methods of competition in both the Engine and Industrial Products segments are technology, price, geographic coverage, service, and product performance. The Company competes in a number of highly competitive filtration markets in both segments. The Company believes it is a market leader with many of its product lines. The Company believes within the Engine Products segment it is a market leader in its Off-Road Equipment and On-Road Products lines for OEMs and is a significant participant in the aftermarket for replacement filters. The Engine Products segment’s principal competitors include several large global competitors and many regional competitors, especially in the Engine Aftermarket Products business. The Industrial Products segment’s principal competitors vary from country to country and include several large regional and global competitors and a significant number of smaller competitors who compete in a specific geographical region or in a limited number of product applications.

Raw Materials

          The principal raw materials that the Company uses are steel, filter media, and petroleum based products. Purchased raw materials represents approximately 60 to 65 percent of the Company’s cost of goods sold. Of that amount, steel, including fabricated parts, represents approximately 25 percent. Filter media represents approximately 15 to 20 percent and the remainder is primarily made up of petroleum based products and other components. The cost the Company paid for steel during Fiscal 2012, varied by grade, but in aggregate, it slightly decreased in the second half of Fiscal 2012. The Company’s cost of filter media also varies by type but it moderated slightly during the fiscal year since reaching a historical high at the end of Fiscal 2011. Petroleum based products were generally flat. Commodity prices in aggregate generally decreased throughout Fiscal 2012 after strong increases in the last half of Fiscal 2011. The impact was moderated by certain long term supply arrangements. However, the full year impact of commodity prices was still unfavorable to Fiscal 2011. The Company anticipates a moderately favorable impact from commodity prices in fiscal 2013, as compared to Fiscal 2012, specifically for steel and media, as these supply arrangements were renewed at lower prices extending through the end of the calendar year. Based on recent market information for purchased commodities, the Company anticipates only modest increases when these purchase arrangements are renewed. The Company strives to recover or offset material cost through selective price increases to its Customers and through the Company’s Continuous Improvement initiatives, which include material substitution, process improvement, and product redesigns. The Company experienced no significant supply problems in the purchase of its major raw materials. The Company typically has multiple sources of supply for the raw materials essential to its business, and is not required to carry significant amounts of raw material inventory to secure supplier allotments. However, the Company does stock finished goods inventory at its regional distribution centers in order to meet anticipated Customer demand.

Patents and Trademarks

          The Company owns various patents and trademarks, which it considers in the aggregate to constitute a valuable asset, including patents and trademarks for products sold under the Ultra-Web®, PowerCore®, and Donaldson® trademarks. However, it does not regard the validity of any one patent or trademark as being of material importance.

Major Customers

          There were no Customers that accounted for over 10 percent of net sales in Fiscal 2012, 2011, or 2010. There was one Customer over 10 percent of gross accounts receivable in Fiscal 2012 and no Customers over 10 percent of gross accounts receivable in Fiscal 2011.

Backlog

          At August 31, 2012, the backlog of orders expected to be delivered within 90 days was $403.7 million. All of this backlog is expected to be shipped during Fiscal 2013. The 90-day backlog at August 31, 2011, was $423.8 million. Backlog is one of many indicators of business conditions in the Company’s markets. However, it is not always indicative of future results for a number of reasons, including short lead times in the Company’s replacement parts businesses and the timing of orders in many of the Company’s Engine OEM and Industrial markets.

Research and Development

          During Fiscal 2012, the Company spent $59.6 million on research and development activities. Research and development expenses include basic scientific research and the application of scientific advances to the development of new and improved products and their uses. The Company spent $55.3 million and $44.5 million in Fiscal 2011 and Fiscal 2010, respectively, on research and development activities. Substantially all commercial research and development is performed in-house.

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Environmental Matters

          The Company does not anticipate any material effect on its capital expenditures, earnings, or competitive position during Fiscal 2013 due to compliance with government regulations regulating the discharge of materials into the environment or otherwise relating to the protection of the environment.

Employees

          The Company employed over 13,000 persons in worldwide operations as of August 31, 2012.

Geographic Areas

          Financial information about geographic areas appears in Note L of the Notes to Consolidated Financial Statements on page 52.

Item 1A. Risk Factors

          There are inherent risks and uncertainties associated with our global operations that involve the manufacturing and sale of products for highly demanding Customer applications throughout the world. These risks and uncertainties could adversely affect our operating performance and financial condition. The following discussion, along with discussions elsewhere in this report, outlines the risks and uncertainties that we believe are the most material to our business at this time. In light of the global economic uncertainty, we want to further highlight the risks and uncertainties associated with: world economic factors that are impacting many regions of the world, the financial condition of our suppliers and Customers, the potential for some Customers to increase their reliance on their own filtration capabilities, currency fluctuations, commodity prices, political factors, the Company’s international operations, the reduced demand for hard disk drive products with the increased use of flash memory, highly competitive markets, governmental laws and regulations, including the impact of the various economic stimulus and financial reform measures being contemplated by governments around the world, the implementation of our new information systems, potential global events resulting in instability and unpredictability in the world’s markets, including financial bailouts and defaults of sovereign nations, political changes, military and terrorist activities, health outbreaks, natural disasters, and other factors discussed below. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Operating internationally carries risks which could negatively affect our financial performance.

          We have sales and manufacturing operations throughout the world, with the heaviest concentrations in the Americas, Europe, and Asia. Our stability, growth, and profitability are subject to a number of risks of doing business internationally that could harm our business, including:

• political and military events,

• legal and regulatory requirements, including import, export, defense regulations, and foreign exchange controls,

• tariffs and trade barriers,

• potential difficulties in staffing and managing local operations,

• credit risk of local Customers and distributors,

• difficulties in protecting intellectual property,

• local economic, political, and social conditions, specifically in China and Thailand where we have significant investments,

• potential global health outbreaks, and

• natural disasters.

Maintaining a competitive advantage requires continuing investment with uncertain returns.

          We operate in highly competitive markets and have numerous competitors who may already be well-established in those markets. We expect our competitors to continue improving the design and performance of their products and to introduce new products that could be competitive in both price and performance. We believe that we have certain technological advantages over our competitors, but maintaining these advantages requires us to continually invest in research and development, sales and marketing, and Customer service and support. There is no guarantee that we will

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be successful in maintaining these advantages. We make investments in new technologies that address increased performance and regulatory requirements around the globe. There is no guarantee that we will be successful in completing development or achieving sales of these products or that the margins on such products will be acceptable. Our financial performance may be negatively impacted if a competitor’s successful product innovation reaches the market before ours or gains broader market acceptance.

          A few of our major OEM Customers also manufacture filtration systems. Although these OEM Customers rely on us and other suppliers for some of their filtration systems, they sometimes choose to manufacture additional filtration systems for their own use. There is also a risk that a Customer could acquire one or more of our competitors.

          We may be adversely impacted by changes in technology that could reduce or eliminate the demand for our products. These risks include:

• breakthroughs in technology which provide a viable alternative to diesel engines and

• reduced demand for disk drive products by flash memory or a similar technology, which would eliminate the need for our filtration solutions in disk drives.

We participate in highly competitive markets with pricing pressure. If we are not able to compete effectively our margins and results of operations could be adversely affected.

          The businesses and product lines in which we participate are very competitive and we risk losing business based on a wide range of factors including technology, price, geographic coverage, product performance, and Customer service. Large Customers continue to seek productivity gains and lower prices from their suppliers. We may lose business or negatively impact our margins if we are unable to deliver the best value to our Customers.

Demand for our products relies on economic and industrial conditions worldwide.

          Demand for our products tends to respond to varying levels of economic, construction, agricultural, mining, and industrial activity in the United States and in other industrialized nations.

          Sales to Caterpillar accounted for slightly less than 10 percent of our net sales in Fiscal 2012, 2011, and 2010. An adverse change in Caterpillar’s financial performance or a material reduction in our sales to Caterpillar could negatively impact our operating results.

Changes in our product mix impacts our financial performance.

          We sell products that have varying profit margins. Our financial performance can be impacted depending on the mix of products we sell during a given period.

Unavailable or higher cost materials could impact our financial performance.

          We obtain raw materials including steel, filter media, plastics, and other components from third-party suppliers and tend to carry limited raw material inventories. An unanticipated delay in delivery by our suppliers could result in the inability to deliver on-time and meet the expectations of our Customers. This could negatively affect our financial performance. An increase in commodity prices could also result in lower operating margins.

Difficulties with the Company’s information technology systems and security could adversely affect our results.

          The Company has many information technology systems that are important to the operation of its businesses. The Company could encounter difficulties in developing new systems, such as the implementation of the global Enterprise Resource Planning system, maintaining and upgrading existing systems, and preventing information security breaches. Such difficulties could lead to significant expenses due to disruption in business operations and could adversely affect the Company’s results.

Unfavorable fluctuations in foreign currency exchange rates could negatively impact our results and financial position.

          We have operations in many countries. Each of our subsidiaries reports its results of operations and financial position in its relevant functional currency, which is then translated into U.S. dollars. This translated financial information is included in our consolidated financial statements. The strengthening of the U.S. dollar in comparison to the foreign currencies of our subsidiaries could have a negative impact on our results and financial position.

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Acquisitions may have an impact on our results.

          We have made and continue to pursue acquisitions. We cannot guarantee that these acquisitions will have a positive impact on our results. These acquisitions could negatively impact our profitability due to operating and integration inefficiencies, the incurrence of debt, contingent liabilities, and amortization expenses related to intangible assets. There are also a number of other risks involved in acquisitions. We could lose key existing Customers, have difficulties in assimilating the acquired operations, assume unanticipated legal liabilities, or lose key employees.

Compliance with environmental and product laws and regulations can be costly.

          We are subject to many environmental laws and regulations in the jurisdictions in which we operate. We routinely incur costs in order to comply with these laws and regulations. We may be adversely impacted by new or changing laws and regulations that affect both our operations and our ability to develop and sell products that meet our Customers’ requirements.

Item 1B. Unresolved Staff Comments

          None.

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Item 2. Properties

          The Company’s principal administrative office and research facilities are located in Bloomington, a suburb of Minneapolis, Minnesota. The Company’s principal European administrative and engineering offices are located in Leuven, Belgium. The Company also has extensive operations in the Asia-Pacific region.

          The Company’s principal manufacturing and distribution activities are located throughout the world. The following is a summary of the principal plants and other materially important physical properties owned or leased by the Company.

Americas	Europe / Middle East / Africa
Auburn, Alabama (E)	Kadan, Czech Republic (I)
Riverbank, California (I)*	Klasterec, Czech Republic
Valencia, California (E)*	Domjean, France (E)
Dixon, Illinois	Paris, France (E)*
Frankfort, Indiana	Dulmen, Germany (E)
Cresco, Iowa	Flensburg, Germany (I)
Grinnell, Iowa (E)	Haan, Germany (I)
Nicholasville, Kentucky	Ostiglia, Italy (E)
Bloomington, Minnesota	Cape Town, South Africa
Chesterfield, Missouri (E)*	Johannesburg, South Africa*
Chillicothe, Missouri (E)	Hull, United Kingdom
Philadelphia, Pennsylvania (I)	Leicester, United Kingdom (I)
Greeneville, Tennessee
Baldwin, Wisconsin	Australia
Stevens Point, Wisconsin	Wyong, Australia
Sao Paulo, Brazil (E)*
Brockville, Canada (E)*	Asia
Aguascalientes, Mexico	Hong Kong, China*
Monterrey, Mexico (I)	Wuxi, China
	New Delhi, India
Joint Venture Facilities	Gunma, Japan
Champaign, Illinois (E)	Rayong, Thailand (I)
Jakarta, Indonesia
Dammam, Saudi Arabia (I)	Third-Party Logistics Providers
	Santiago, Chile
Distribution Centers	Wuxi, China
Wyong, Australia	Mumbai, India
Brugge, Belgium	Plainfield, Indiana (I)
Rensselaer, Indiana	Gunma, Japan
Ostiglia, Italy	Singapore
Aguascalientes, Mexico	Greeneville, Tennessee (I)
Johannesburg, South Africa

          The Company’s properties are utilized for both the Engine and Industrial Products segments except as indicated with an (E) for Engine or (I) for Industrial. The Company leases certain of its facilities, primarily under long-term leases. The facilities denoted with an asterisk (*) are leased facilities. In Wuxi, China and Bloomington, Minnesota a portion of the activities are conducted in leased facilities. The Company uses third-party logistics providers for some of its product distribution and neither leases nor owns the facilities. The Company considers its properties to be suitable for their present purposes, well-maintained, and in good operating condition.

Item 3. Legal Proceedings

          The Company records provisions with respect to identified claims or lawsuits when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. Claims and lawsuits are reviewed quarterly and provisions are taken or adjusted to reflect the status of a particular matter. The Company believes the recorded reserves in its consolidated financial statements are adequate in light of the probable and estimable outcomes. Any

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recorded liabilities were not material to the Company’s financial position, results of operations or liquidity, and the Company does not believe that any of the currently identified claims or litigation will materially affect its financial position, results of operations or liquidity.

          The Company has reached a preliminary agreement to settle the class action lawsuits filed in 2008 alleging that 12 filter manufacturers, including the Company, engaged in a conspiracy to fix prices, rig bids, and allocate U.S. Customers for aftermarket automotive filters. The U.S. cases have been consolidated into a single multi-district litigation in the Northern District of Illinois. The Company denies any liability and has vigorously defended the claims raised in these lawsuits. The settlement will fully resolve all claims brought against the Company in the lawsuits and the Company does not admit any liability or wrongdoing. The settlement is still subject to Court approval and will not have a material impact on the Company’s financial position, results of operations, or liquidity.

Item 4. Mine Safety Disclosures

          Not applicable.

Executive Officers of the Registrant

          Current information regarding executive officers is presented below. All terms of office are for one year. There are no arrangements or understandings between individual officers and any other person pursuant to which the officer was selected as an executive officer.

Name	Age	Positions and Offices Held	First Fiscal Year Appointed as an Executive Officer
Tod E. Carpenter	53	Senior Vice President, Engine Products	2008
William M. Cook	59	Chairman, President and Chief Executive Officer	1994
Sandra N. Joppa	47	Vice President, Human Resources	2006
Norman C. Linnell	53	Vice President, General Counsel and Secretary	1996
Charles J. McMurray	58	Senior Vice President, Chief Administrative Officer	2003
Mary Lynne Perushek	54	Vice President and Chief Information Officer	2007
James F. Shaw	43	Vice President and Chief Financial Officer	2012
Wim Vermeersch	46	Vice President, Europe and Middle East	2012
Jay L. Ward	48	Senior Vice President, Industrial Products	2006
Debra L. Wilfong	57	Vice President and Chief Technology Officer	2007
Eugene X. Wu	44	Vice President, Asia Pacific	2012

          Mr. Carpenter joined the Company in 1996 and has held various positions, including Gas Turbine Systems General Manager from 2002 to 2004; General Manager, Industrial Filtration Systems (“IFS’) Sales from 2004 to 2006; General Manager, IFS Americas in 2006; Vice President, Global IFS from 2006 to 2008 and Vice President, Europe and Middle East from 2008 to 2011. In October 2011, Mr. Carpenter was appointed Senior Vice President, Engine Products.

          Mr. Cook joined the Company in 1980 and has held various positions, including CFO and Senior Vice President, International from 2001 to 2004 and President and CEO from 2004 to 2005. Mr. Cook was appointed Chairman, President and CEO in July 2005.

          Ms. Joppa was appointed Vice President, Human Resources in November 2005. Prior to that time, Ms. Joppa held various positions at General Mills, a consumer food products company, from 1989 to 2005, including service as Director of Human Resources for several different operating divisions from 1999 to 2005.

               Mr. Linnell joined the Company in 1996 as General Counsel and Secretary and was appointed Vice President, General Counsel and Secretary in 2000.

          Mr. McMurray joined the Company in 1980 and has held various positions, including Director, Global Information Technology from 2001 to 2003; Vice President, Human Resources from 2004 to 2005; Vice President, Information Technology, Europe, South Africa, and Mexico from 2005 to 2006; and Senior Vice President and Industrial Products from 2006 to 2011. In 2011, Mr. McMurray was appointed Senior Vice President and Chief Administrative Officer.

          Ms. Perushek was appointed Vice President and Chief Information Officer in November 2006. Prior to that time, Ms. Perushek was Vice President of Global Information Technology at H.B. Fuller Company, a worldwide manufacturer of adhesive products, from 2005 to 2006 and Chief Information Officer for Young America Corporation, a marketing company, from 1999 to 2004.

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          Mr. Shaw joined the Company in 2004 and has held various positions, including Director Corporate Compliance/Internal Audit and Corporate Controller and Principal Accounting Officer from 2004 to 2011. Mr. Shaw was appointed Vice President and Chief Financial Officer effective November 2011. Prior to joining Donaldson, Mr. Shaw held various positions at Deloitte & Touche, LLP and Arthur Andersen, LLP.

          Mr. Vermeersch joined the Company in 1992 and has held various positions, including Director, Gas Turbine Systems, Asia Pacific from 2000 to 2005; Manager Aftermarket and Service IFS, Belgium from 2005 to 2006; Manager IFS, Belgium from 2006 to 2007; Director Gas Turbine Systems, Europe, Middle East and North Africa, from 2007 to 2010; and Director, Engine, Europe, Middle East and North Africa from 2010 to 2011. Mr. Vermeersch was appointed Vice President, Europe and Middle East in January 2012.

          Mr. Ward joined the Company in 1998 and has held various positions, including Director, Operations from 2001 to 2003; Director, Product and Business Development, IFS Group from 2003 to 2004; Managing Director, Europe from 2004 to 2006; and Vice President, Europe, and Middle East from 2006 to 2008. Mr. Ward was appointed Senior Vice President, Engine Products in August 2008 and was appointed Senior Vice President, Industrial Products, in October 2011.

          Ms. Wilfong was appointed Vice President and Chief Technology Officer in May 2007. Prior to that time, Ms. Wilfong was Director, Research and Development at 3M Company, an international consumer products company, from 2000 to 2007, and served as Director, Research and Development for the 3M Automotive Division from 2006 to 2007.

          Mr. Wu was appointed Vice President, Asia Pacific in January 2012. Prior to that time, Mr. Wu was the Global Vice President and President of Asia Pacific at Greif, Inc., a global leader in industrial packaging products and services, from 2005 to 2010; and Chief Advisor to Chairman of the Board of Wanhua Industrial Group, a global chemical industry leader, from 2010 to 2011.

PART II

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

          The common shares of the Company are traded on the New York Stock Exchange under the symbol DCI. The amount and frequency of all cash dividends declared on the Company’s common stock for Fiscal 2012 and 2011 appear in Note Q of the Notes to Consolidated Financial Statements on page 57. The Company’s dividend payout ratio target is approximately 25 percent to 30 percent of the average earnings per share of the last three years. This guidance is expected to be used for future dividend payouts. As of September 19, 2012, there were 1,905 shareholders of record of common stock.

          The low and high sales prices for the Company’s common stock for each full quarterly period during Fiscal 2012 and 2011 were as follows:

	First Quarter	Second Quarter	Third Quarter	Fourth Quarter
Fiscal 2012	$23.19 - 33.33	$30.48 - 36.52	$34.02 - 38.89	$30.51 - 36.82
Fiscal 2011	$20.43 - 25.10	$24.26 - 30.14	$27.30 - 31.45	$27.31 - 31.52

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          The following table sets forth information in connection with purchases made by, or on behalf of, the Company or any affiliated purchaser of the Company, of shares of the Company’s common stock during the quarterly period ended July 31, 2012.

Period	Total Number of Shares Purchased (1)		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
May 1 - May 31, 2012		133,773	$	32.83		133,773		6,915,172
June 1 - June 30, 2012		2,949	$	34.19		—		6,915,172
July 1 - July 31, 2012		1,360,869	$	31.87		1,357,575		5,557,597
Total		1,497,591	$	31.96		1,491,348		5,557,597

(1) On March 26, 2010, the Company announced that the Board of Directors authorized the repurchase of up to 16.0 million shares of common stock. This repurchase authorization, which is effective until terminated by the Board of Directors, replaced the existing authority that was authorized on March 31, 2006. There were no repurchases of common stock made outside of the Company’s current repurchase authorization during the quarter ended July 31, 2012. However, the “Total Number of Shares Purchased” column of the table above includes 6,243 previously owned shares tendered by option holders in payment of the exercise price of options during the quarter. While not considered repurchases of shares, the Company does at times withhold shares that would otherwise be issued under equity-based awards to cover the withholding taxes due as a result of exercising stock options or payment of equity-based awards.

On January 27, 2012, the Company announced that its Board of Directors declared a two-for-one stock split effected in the form of a 100 percent stock dividend. The stock split was distributed March 23, 2012, to stockholders of record as of March 2, 2012. Earnings and dividends per share and weighted average shares outstanding are presented in this Form 10-K after the effect of the 100 percent stock dividend. The two-for-one stock split is reflected in the share amounts in all periods presented in the table above and elsewhere in this annual Form 10-K.

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The graph below compares the cumulative total stockholder return on the Company’s common stock for the last five fiscal years with the cumulative total return of the Standard & Poor’s 500 Stock Index and the Standard & Poor’s Industrial Machinery Index. The graph and table assume the investment of $100 in each of the Company’s common stock and the specified indexes at the beginning of the applicable period, and assume the reinvestment of all dividends.

COMPARISON OF 5 YEAR CUMULATIVE TOTAL RETURN
Among Donaldson Company, Inc., the S& P 500 Index and the S& P Industrial Machinery Index

	Year Ended July 31,
	2012		2011		2010		2009		2008		2007
Donaldson Company, Inc.	$	198.15	$	159.18	$	135.06	$	106.92	$	125.22	$	100.00
S&P 500		105.77		96.92		81.00		71.16		88.91		100.00
S&P Industrial Machinery		116.92		111.08		92.12		70.19		91.36		100.00

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Item 6. Selected Financial Data

          The following table sets forth selected financial data for each of the fiscal years in the five-year period ended July 31, 2012 (in millions, except per share data):

	Year Ended July 31,
	2012		2011		2010		2009		2008
Net sales	$	2,493.2	$	2,294.0	$	1,877.1	$	1,868.6	$	2,232.5
Net earnings		264.3		225.3		166.2		131.9		172.0
Diluted earnings per share		1.73		1.43		1.05		0.83		1.06
Total assets		1,730.1		1,726.1		1,499.5		1,334.0		1,548.6
Long-term obligations		203.5		205.7		256.2		253.7		176.5
Cash dividends declared per share		0.335		0.280		0.240		0.230		0.215
Cash dividends paid per share		0.320		0.268		0.235		0.228		0.210

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Results of Operations

          The following discussion of the Company’s financial condition and results of operations should be read in conjunction with the Consolidated Financial Statements and Notes thereto and other financial information included elsewhere in this report.

Overview

          The Company is a worldwide manufacturer of filtration systems and replacement parts. The Company’s core strengths are leading filtration technology, strong Customer relationships, and its global presence. The Company operates through two reporting segments, Engine Products and Industrial Products, and has a product mix including air and liquid filtration systems and exhaust and emission control products. As a worldwide business, the Company’s results of operations are affected by conditions in the global economic environment. Under normal economic conditions, the Company’s market diversification between its OEM and replacement parts Customers, its diesel engine and industrial end markets, and its North American and international end markets has helped to limit the impact of weakness in any one product line, market or geography on the consolidated results of the Company.

          The Company reported record sales in Fiscal 2012 of $2,493.2 million, up 8.7 percent from $2,294.0 million in the prior year. The Company’s results were negatively impacted by foreign currency translation, which decreased sales by $38.7 million. Excluding the current year impact of foreign currency translation, worldwide sales increased 10.4 percent.

          Although net sales excluding foreign currency translation is not a measure of financial performance under GAAP, the Company believes it is useful in understanding its financial results and provides a comparable measure for understanding the operating results of the Company between different fiscal periods excluding the impact of foreign currency translation. The following is a reconciliation to the most comparable GAAP financial measure of this non-GAAP financial measure (in millions):

	Net Sales			Percent Growth in Net Sales
Year ended July 31, 2010	$	1,877.1			NA
Net sales growth, excluding foreign currency translation impact		367.1			19.6	%
Foreign currency translation impact		49.8			2.6	%
Year ended July 31, 2011	$	2,294.0			22.2	%
Net sales growth, excluding foreign currency translation impact		237.9			10.4	%
Foreign currency translation impact		(38.7	)		(1.7	)%
Year ended July 31, 2012	$	2,493.2			8.7	%

          The Company also reported record net earnings in Fiscal 2012 of $264.3 million, an increase of 17.3 percent from $225.3 million in the prior year. The Company’s net earnings were also negatively impacted by foreign currency

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translation, which decreased net earnings by $4.0 million. Excluding the current year impact of foreign currency translation, net earnings increased 19.1 percent.

          Although net earnings excluding foreign currency translation is not a measure of financial performance under GAAP, the Company believes it is useful in understanding its financial results and provides a comparable measure for understanding the operating results of the Company between different fiscal periods excluding the impact of foreign currency translation. The following is a reconciliation to the most comparable GAAP financial measure of this non-GAAP financial measure (in millions):

	Net Earnings			Percent Growth in Net Earnings
Year ended July 31, 2010	$	166.2			NA
Net earnings growth, excluding foreign currency translation impact		53.0			31.9	%
Foreign currency translation impact		6.1			3.7	%
Year ended July 31, 2011	$	225.3			35.6	%
Net earnings growth, excluding foreign currency translation impact		43.0			19.1	%
Foreign currency translation impact		(4.0	)		(1.8	)%
Year ended July 31, 2012	$	264.3			17.3	%

          The Company reported diluted earnings per share of $1.73, a 21.0 percent increase from $1.43 in the prior year.

          As discussed above, the Company recorded full year records for net sales and net earnings. In addition, operating margin was a record of 14.6 percent for the year. The Company continued to experience strong operating leverage and the benefits of the Company’s ongoing Continuous Improvement initiatives while remaining diligent in managing operating expenses.

          Following is financial information for the Company’s Engine and Industrial Products segments. Corporate and Unallocated includes corporate expenses determined to be non-allocable to the segments and interest income and expense. See further discussion of segment information in Note L of the Company’s Notes to Consolidated Financial Statements.

	Engine Products		Industrial Products		Corporate & Unallocated			Total Company
	(thousands of dollars)
2012
Net sales	$	1,570,140	$	923,108	$	—		$	2,493,248
Earnings before income taxes		227,941		149,249		(6,410	)		370,780
2011
Net sales	$	1,440,495	$	853,534	$	—		$	2,294,029
Earnings before income taxes		211,255		123,871		(22,863	)		312,263
2010
Net sales	$	1,126,007	$	751,057	$	—		$	1,877,064
Earnings before income taxes		155,833		91,084		(16,741	)		230,176

          Many factors contributed to the Company’s results for each of the Company’s reporting segments for Fiscal 2012, including an improvement in economic conditions in many of the Company’s end markets, the Company’s program of Continuous Improvement initiatives, better absorption of fixed costs, and emerging market growth.

          In the Engine Products segment, the Company experienced increased sales in most end-markets. Earnings before income taxes as a percentage of Engine Products segment sales of 14.5 percent decreased slightly from 14.7 percent in the prior year. The percentage earnings decrease for the twelve months ended July 31, 2012, was driven by a shift in product mix from replacement parts to first fit products, which carry a lower margin, partially offset by the Company’s ongoing Continuous Improvement initiatives. The Off-Road Product sales increase was driven by higher demand for

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agriculture and mining equipment, due to stronger commodity prices for most of the fiscal year, and improved sales of heavy construction equipment, which was due to increased global infrastructure spending, especially in emerging economies. On-Road Products sales improved as North America heavy truck build rates continued rebounding. The Aftermarket Products sales increases were driven by continued strength in equipment utilization rates in the mining, construction, and transportation industries offset by weakening conditions in Asia and some moderation in Europe.

          In the Industrial Products segment, where many product lines are later economic cycle businesses, sales increased due to strength in the North American manufacturing economy and strong global demand for Gas Turbine Systems products. Earnings before income taxes as a percentage of Industrial Products segment sales of 16.2 percent increased from 14.5 percent in the prior year. The improvement in earnings as a percentage of sales over the prior year was driven by better leverage of fixed operating costs and continued successful execution on larger projects, which was partially offset by the impact of the floods in Thailand. In Industrial Filtration Solutions Products, sales of new dust collection equipment and replacement filters continued to grow. Gas Turbine Products sales increased due to strong Customer demand for large gas turbine power generation projects as a result of increased global electricity requirements. The decrease in sales in Special Applications Products was due to decreased demand for filtration products serving the electronics industries, specifically from the impact of the flood in Thailand, which offset growth in the membrane, imaging, and venting end markets.

          Following are net sales by product within both the Engine and Industrial Products segments:

	2012		2011		2010
	(thousands of dollars)
Engine Products segment:
Off-Road Products	$	376,870	$	327,557	$	222,329
On-Road Products		163,934		127,107		81,874
Aftermarket Products*		907,306		861,393		691,899
Retrofit Emissions Products		15,354		19,555		17,928
Aerospace and Defense Products		106,676		104,883		111,977
Total Engine Products segment		1,570,140		1,440,495		1,126,007
Industrial Products segment:
Industrial Filtration Solutions Products		553,453		507,646		423,050
Gas Turbine Products		180,669		154,726		150,131
Special Applications Products		188,986		191,162		177,876
Total Industrial Products segment		923,108		853,534		751,057
Total Company	$	2,493,248	$	2,294,029	$	1,877,064

* Includes replacement part sales to the Company’s OEM Customers.

Outlook

          Recognizing the increasing levels of high economic uncertainty globally, the Company is planning its total Fiscal 2013 sales to be between $2.6 and $2.7 billion, or up 5 to 9 percent from Fiscal 2012. The Company’s full year Fiscal 2013 operating margin is forecasted to be 14.6 to 15.4 percent. Included in the Company’s forecast are $6 million for an increase in pension expense and $6 million for a Global Enterprise Resource Planning (ERP) project that will be started in Fiscal 2013. The Company’s full year Fiscal 2013 tax rate is projected to be between 28 and 31 percent. The Company forecasts its full year Fiscal 2013 EPS to be between $1.82 and $1.96.

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Fiscal 2012 Compared to Fiscal 2011

          Engine Products Segment The Engine Products segment sells to OEMs in the construction, mining, agriculture, aerospace, defense, and truck markets and to independent distributors, OEM dealer networks, private label accounts, and large equipment fleets. Products include air filtration systems, exhaust and emissions systems, liquid filtration systems including hydraulics, fuel, lube, and replacement filters.

          Sales for the Engine Products segment were $1,570.1 million, an increase of 9.0 percent from $1,440.5 million in the prior year. Engine Products sales in the United States increased by 11.3 percent in Fiscal 2012 compared to Fiscal 2011. International Engine Products sales increased 6.9 percent from the prior year. The impact of foreign currency decreased total sales by $24.3 million, or 1.7 percent. Earnings before income taxes as a percentage of Engine Products segment sales of 14.5 percent decreased from 14.7 percent in the prior year. The percentage earnings decrease for the twelve months ended July 31, 2012, was driven by a shift in product mix from replacement parts to first fit products, which carry a lower margin, partially offset by ongoing Continuous Improvement initiatives.

          Worldwide sales of Off-Road Products were $376.9 million, an increase of 15.1 percent from $327.6 million in the prior year. Sales in the United States increased 17.4 percent over the prior fiscal year. Internationally, sales of Off-Road Products were up 13.5 percent from the prior year, with sales increasing in Europe and Asia by 12.9 percent and 12.3 percent, respectively. The sales increases were driven by higher demand for agriculture and mining equipment, and improved sales of heavy construction equipment.

          Worldwide sales of On-Road Products were $163.9 million, an increase of 29.0 percent from $127.1 million in the prior year. On-Road Products sales in the United States increased 39.3 percent from the prior year. International On-Road Products sales increased 15.3 percent from the prior year, driven by increased sales in Asia of 20.8 percent, as a result of the tsunami recovery in Japan. The sales increase in North America was the combined result of an increase in Customer truck build rates and higher filter content per truck. According to published industry data, North American

14

Class 8 truck build rates increased 48.5 percent and medium-duty truck build rates increased 24.0 percent over the prior year.

          Worldwide Engine Aftermarket Products sales of $907.3 million increased 5.3 percent from $861.4 million in the prior year. Sales in the United States increased 7.7 percent over the prior year. International sales increased 3.5 percent primarily driven by sales increases in Latin America, Europe, and Asia of 15.7 percent, 2.7 percent, and 1.2 percent, respectively. The sales increases in the U.S., Latin America, and Europe were attributable to improved On-Road and Off-Road equipment utilization rates, the Company’s increased distribution capabilities, dealer-distributor network growth, improved market position, and the continued increase in the percentage of equipment in the field that uses the Company’s proprietary filtration systems. The Company began to see moderation beginning in the second quarter of Fiscal 2012 in the Chinese economy, which negatively impacted Aftermarket Products sales in China as well as other regions of Asia.

          Worldwide sales of Retrofit Emissions Products were $15.4 million, a decrease of 21.5 percent from $19.6 million in the prior year. The Company’s Retrofit Emissions Products sales are solely in the United States. The sales of these products are highly dependent on government regulations and a lack of funding availability throughout Fiscal 2012.

          Worldwide sales of Aerospace and Defense Products were $106.7 million, a 1.7 percent increase from $104.9 million in the prior year. Sales in the United States increased 1.4 percent and international sales increased 2.7 percent over the prior year. The sales increase was due to improvements in Aerospace Products demand which was mostly offset by a continued slowdown in U.S. military activity.

          Industrial Products Segment The Industrial Products segment sells to various industrial end-users, OEMs of gas-fired turbines, and OEMs and end-users requiring clean air. Products include dust, fume, and mist collectors, compressed air purification systems, air filtration systems for gas turbines, PTFE membrane-based products, and specialized air and gas filtration systems for various applications including computer hard disk drives and other electronic equipment.

          Sales for the Industrial Products segment were $923.1 million, an increase of 8.2 percent from $853.5 million in the prior year. International Industrial Products sales increased 3.9 percent and sales in the United States increased 17.8 percent from the prior year. The impact of foreign currency decreased sales by $14.4 million, or 1.8 percent. Earnings before income taxes as a percentage of Industrial Products segment sales of 16.2 percent increased from 14.5 percent in the prior year. The improvement in earnings as a percentage of sales over the prior year was driven by better leverage of fixed operating costs and the continued successful execution on larger projects, both of which were partially offset by the impact of the flood in Thailand. In addition, the Industrial Products segment did not incur any restructuring expenses as compared to $0.7 million in the prior year.

          Worldwide sales of Industrial Filtration Solutions Products of $553.5 million increased 9.0 percent from $507.6 million in the prior year. Sales in the United States, Asia and Europe increased 16.8 percent, 7.8 percent, and 2.4 percent, respectively. The Company continued to experience strong market conditions, especially in the U.S., for its Industrial Filtration Solutions resulting in continued strong demand for the Company’s industrial dust collectors and replacement parts. The externally published durable goods index in the United States increased 8.4 percent during Fiscal 2012 as compared to last year.

          Worldwide sales of Gas Turbine Products were $180.7 million, an increase of 16.8 percent from $154.7 million in the prior year. Gas Turbine Products sales are typically large systems and, as a result, the Company’s shipments and revenues fluctuate from period to period. Sales of large Gas Turbine Products for power generation were stable for the first six months of Fiscal 2012 before increasing in the second half of the fiscal year. The Company also experienced additional demand for its smaller systems used in oil and gas applications and for replacement filters.

          Worldwide sales of Special Applications Products were $189.0 million, a 1.1 percent decrease from $191.2 million in the prior year. Domestic Special Application Products sales increased 9.6 percent. International sales of Special Application Products decreased 2.8 percent over the prior year, primarily in Asia which decreased 3.6 percent. The sales decline was due to a decrease in demand for the Company’s products serving the electronics industry which was affected by the flooding in Thailand in the second half of calendar 2011.

          Consolidated Results The Company reported net earnings for Fiscal 2012 of $264.3 million compared to $225.3 million in Fiscal 2011, an increase of 17.3 percent. Diluted net earnings per share were $1.73, up 21.0 percent from $1.43 in the prior year. The Company’s operating income of $363.0 million increased from prior year operating income of $315.3 million by 15.1 percent.

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          The table below shows the percentage of total operating income contributed by each segment for each of the last three fiscal years. Corporate and Unallocated includes corporate expenses determined to be non-allocable to the segments, interest income, and interest expense:

	2012			2011			2010
Engine Products		59.1	%		64.1	%		63.1	%
Industrial Products		40.3	%		38.7	%		37.8	%
Corporate and Unallocated		0.6	%		(2.8	)%		(0.9	)%
Total Company		100.0	%		100.0	%		100.0	%

          International operating income, prior to corporate expense allocations, totaled 69.7 percent of consolidated operating income in Fiscal 2012 as compared to 80.2 percent in Fiscal 2011. Total international operating income increased 0.1 percent from the prior year. The table below shows the percentage of total operating income contributed by each major geographic region for each of the last three fiscal years:

	2012			2011			2010
United States		30.3	%		19.8	%		19.7	%
Europe		29.9	%		31.0	%		24.6	%
Asia - Pacific		31.1	%		39.6	%		45.3	%
Other		8.7	%		9.6	%		10.4	%
Total Company		100.0	%		100.0	%		100.0	%

          For more information regarding the Company’s net sales by geographic region, see Note L to the Consolidated Financial Statements.

          Gross margin for Fiscal 2012 was 35.0 percent, a decrease from 35.5 percent in the prior year. The decrease in gross margin is attributable to the combination of the higher level of first fit and project sales which generally carry a lower margin, the Company’s planned ramp-up for its newest plant in Mexico, lower fixed cost absorption in Asia, and increased purchased commodity costs from higher prices during the first half of the year and unfavorable foreign exchange rates in the second half of the year. These decreases were partially offset by the benefits from the Company’s ongoing Continuous Improvement initiatives. Within gross margin, the Company incurred minimal restructuring and asset impairment charges during Fiscal 2011.

          The principal raw materials that the Company uses are steel, filter media, and petroleum based products. Purchased raw materials represents approximately 60 to 65 percent of the Company’s cost of goods sold. Of that amount, steel, including fabricated parts, represents approximately 25 percent. Filter media represents approximately 15 to 20 percent and the remainder is primarily made up of petroleum based products and other components. The cost the Company paid for steel during Fiscal 2012, varied by grade, but in aggregate, it slightly decreased in the second half of Fiscal 2012. The Company’s cost of filter media also varies by type but it moderated slightly during the fiscal year since reaching a historical high at the end of Fiscal 2011. Petroleum based products were generally flat. Commodity prices in aggregate generally decreased throughout Fiscal 2012 after strong increases in the last half of Fiscal 2011. The impact was moderated by certain long term supply arrangements. However, the full year impact of commodity prices was still unfavorable to Fiscal 2011. The Company anticipates a moderately favorable impact from commodity prices in fiscal 2013, as compared to Fiscal 2012, specifically for steel and media, as these supply arrangements were renewed at lower prices extending through the end of the calendar year. Based on recent market information for purchased commodities, the Company anticipates only modest increases when these purchase arrangements are renewed. The Company strives to recover or offset material cost through selective price increases to its Customers and through the Company’s Continuous Improvement initiatives, which include material substitution, process improvement, and product redesigns.

          Operating expenses for Fiscal 2012 were $510.7 million or 20.5 percent of sales, as compared to $498.5 million or 21.7 percent in the prior year. The decrease in operating expenses as a percentage of sales is driven by the higher volume of sales. In addition, the current year had reduced distribution and warranty costs as a percent of sales. The prior year included $0.7 million in restructuring and asset impairment charges.

          Interest expense of $11.5 million decreased $1.0 million from $12.5 million in the prior year. Net other income totaled $19.3 million in Fiscal 2012, up from $9.5 million in the prior year. The increase of $9.8 million in other income was driven by an increase in foreign exchange gains of $6.3 million, an increase of $1.2 million in interest

16

income, an increase of $0.6 million in income from unconsolidated affiliates, an increase of $0.4 million in royalty income, and an insurance recovery of $1.3 million.

               The effective tax rate for Fiscal 2012 was 28.7 percent compared to 27.9 percent in Fiscal 2011. The increase in effective tax rate is primarily due to an unfavorable shift in the mix of earnings between tax jurisdictions, which increased the underlying average tax rate over the prior year to 30.8 percent from 29.7 percent. The increase in the underlying average tax rate was partially offset by incremental discrete benefits. Fiscal 2012 contained $7.7 million of discrete tax benefits from the favorable settlements of tax audits, the expiration of statutes in various jurisdictions, and other discrete items. Fiscal 2011 contained $5.8 million of discrete tax benefits, primarily from the release of reserves after the favorable conclusions of foreign tax audits, the expiration of statutes in various jurisdictions, and the positive impact of dividends from some foreign subsidiaries.

          Total backlog at July 31, 2012, was $798.6 million, down 0.5 percent from the same period in the prior year. Backlog is one of many indicators of business conditions in the Company’s markets. However, it is not always indicative of future results for a number of reasons, including short lead times in the Company’s replacement parts businesses and the timing of the receipt of orders in many of the Company’s Engine OEM and Industrial markets. In the Engine Products segment, total open order backlog decreased 5.9 percent from the prior year. In the Industrial Products segment, total open order backlog increased 13.9 percent from the prior year. Because some of the change in backlog can be attributed to a change in the ordering patterns of the Company’s Customers and/or the impact of foreign exchange translation rates, it may not necessarily correspond to future sales.

Fiscal 2011 Compared to Fiscal 2010

          Engine Products Segment The Engine Products segment sells to OEMs in the construction, mining, agriculture, aerospace, defense, and truck markets and to independent distributors, OEM dealer networks, private label accounts, and large equipment fleets. Products include air filtration systems, exhaust and emissions systems, liquid filtration systems including hydraulics, fuel and lube, and replacement filters.

          Sales for the Engine Products segment were $1,440.5 million, an increase of 27.9 percent from $1,126.0 million in the prior year. Engine Products sales in the United States increased by 25.9 percent in Fiscal 2011 compared to Fiscal 2010. International Engine Products sales increased 29.8 percent from the prior year. The impact of foreign currency increased total sales by $31.5 million, or 2.8 percent. Earnings before income taxes as a percentage of Engine Products segment sales of 14.7 percent increased from 13.8 percent in the prior year. The earnings improvement for the current fiscal year was driven by better absorption of fixed costs due to improved volumes and the Company’s ongoing Continuous Improvement initiatives, partially offset by increased commodity costs compared to the prior year. There were $1.9 million in restructuring expenses for the Engine Products segment in the prior year.

          Worldwide sales of Off-Road Products were $327.6 million, an increase of 47.3 percent from $222.3 million in the prior year. Sales in the United States increased 35.8 percent over the prior fiscal year. Internationally, sales of Off-Road Products were up 56.0 percent from the prior year, with sales increasing in Asia and Europe by 58.2 percent and 55.6 percent, respectively. The Company’s overall increase was driven by higher demand for agriculture, construction, and mining equipment due to continued strong commodity prices and improved sales of heavy construction equipment, which was due to increased global infrastructure spending, especially in developing economies. Off-Road Products sales in the U.S. also benefited from market share gains on new platforms that began production during calendar year 2011. These increases were slightly offset by U.S. residential and non-residential construction markets, which showed continued weakness, resulting in lower sales of the Company’s products into those markets.

          Worldwide sales of On-Road Products were $127.1 million, an increase of 55.2 percent from $81.9 million in the prior year. On-Road Products sales in the United States increased 86.0 percent from the prior year. Class 8 build rates increased 47.8 percent and medium duty truck build rates increased 37.1 percent over the prior year. International On-Road Products sales increased 27.4 percent from the prior year, driven by increased sales in Europe of 45.6 percent. This increase is consistent with the increase in European build rates. The overall sales increase was a result of an increase in Customer truck build rates, higher content per truck, and a slightly higher market share.

          Worldwide Engine Aftermarket Products sales of $861.4 million increased 24.5 percent from $691.9 million in the prior year. Sales in the United States increased 26.3 percent over the prior year. International sales increased 23.1 percent from the prior year, primarily driven by sales increases in Asia, Latin America and Europe of 37.8 percent, 25.7 percent, and 13.5 percent, respectively. The sales increases in the U.S. and internationally were attributable to improved On-Road and Off-Road equipment utilization rates from a year ago, the Company’s increased distribution and market share growth, and the continued increase in the percentage of equipment in the field that uses the Company’s proprietary filtration systems.

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          Worldwide sales of Retrofit Emissions Products were $19.6 million, an increase of 9.1 percent from $17.9 million in the prior year. The Company’s Retrofit Emissions Products sales are solely in the United States. Sales of Retrofit Emissions Products increased overall, but challenges remained in the supply chain for certain components and delays in regulatory approval for certain of the Company’s products have impacted the Company’s sales.

          Worldwide sales of Aerospace and Defense Products were $104.9 million, a 6.3 percent decrease from $112.0 million in the prior year. Sales in the United States decreased 8.7 percent over the prior year as a result of slowdowns in U.S. military activity, which is causing an associated slowdown in government procurement spending for major programs. Internationally, sales of Aerospace and Defense Products increased 3.0 percent over the prior year. The international sales increased primarily due to market share gains resulting from improving the Company’s Aerospace distribution capabilities in Europe.

          Industrial Products Segment The Industrial Products segment sells to various industrial end-users, OEMs of gas-fired turbines, and OEMs and end-users requiring clean air. Products include dust, fume, and mist collectors, compressed air purification systems, air filtration systems for gas turbines, PTFE membrane based products, specialized air and gas filtration systems for applications, including computer hard disk drives, and other electronic equipment.

          Sales for the Industrial Products segment were $853.5 million, an increase of 13.6 percent from $751.1 million in the prior year. International Industrial Products sales increased 8.5 percent and sales in the United States increased 27.2 percent from the prior year. The impact of foreign currency increased sales by $18.3 million, or 2.4 percent. Earnings before income taxes as a percentage of Industrial Products segment sales of 14.5 percent increased from 12.1 percent in the prior year. The improvement in earnings as a percent of sales over the prior year was driven by better leverage of fixed operating costs and better plant utilization. Restructuring expenses in Fiscal 2011 were $0.7 million, a decrease from $8.3 million in Fiscal 2010.

          Worldwide sales of Industrial Filtration Solutions Products of $507.6 million increased 20.0 percent from $423.1 million in the prior year. Sales in the United States, Europe and Asia increased 25.3 percent, 12.9 percent, and 26.2 percent, respectively. The increased sales were due to increased manufacturing activity, higher investment in capital equipment by manufacturers, and the continued strengthening of replacement filter sales due to utilization of existing equipment. North American general industrial activity remained strong as evidenced by a 110 percent increase in machine tool consumption in the United States during Fiscal 2011 as compared to Fiscal year 2010.

          Worldwide sales of Gas Turbine Products were $154.7 million, an increase of 3.1 percent from $150.1 million in the prior year. Gas Turbine Products sales are typically large systems and, as a result, the Company’s shipments and revenues fluctuate from period to period. Sales slightly improved due to additional demand for smaller systems used in the oil and gas industry as a result of higher average oil prices and an increase in Aftermarket sales for replacement filters. These increases were slightly offset by a decline in the sales of air filtration systems for large turbines used for power generation.

          Worldwide sales of Special Applications Products were $191.2 million, a 7.5 percent increase from $177.9 million in the prior year. International sales of Special Application Products increased 6.1 percent over the prior year, primarily in Europe, which increased 47.0 percent. Domestic Special Application Products sales increased 17.1 percent. The global sales increases were driven by strong sales in some of the Company’s product lines serving the membrane, semiconductor, imaging, and venting end markets, partially offset by a slight decline in the Company’s disk drive filter sales due to soft demand in the global end market for hard disk drives. Overall, the decline in disk drive sales is comparable with published disk drive build rates.

          Consolidated Results The Company reported net earnings for Fiscal 2011 of $225.3 million compared to $166.2 million in Fiscal 2010, an increase of 35.6 percent. Diluted net earnings per share were $1.43, up 36.2 percent from $1.05 in the prior year. The Company’s operating income of $315.3 million increased from prior year operating income of $238.2 million by 32.3 percent.

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          The table below shows the percentage of total operating income contributed by each segment for each of the last three fiscal years. Corporate and Unallocated includes corporate expenses determined to be non-allocable to the segments, interest income, and interest expense:

	2011			2010			2009
Engine Products		64.1	%		63.1	%		45.7	%
Industrial Products		38.7	%		37.8	%		50.6	%
Corporate and Unallocated		(2.8	)%		(0.9	)%		3.7	%
Total Company		100.0	%		100.0	%		100.0	%

          International operating income, prior to corporate expense allocations, totaled 80.2 percent of consolidated operating income in Fiscal 2011 as compared to 80.3 percent in Fiscal 2010. Total international operating income increased 32.1 percent from the prior year. This increase is attributable to increased Customer sales and the leverage of fixed costs with the higher volume of sales. The table below shows the percentage of total operating income contributed by each major geographic region for each of the last three fiscal years:

	2011			2010			2009
United States		19.8	%		19.7	%		22.1	%
Europe		31.0	%		24.6	%		23.3	%
Asia - Pacific		39.6	%		45.3	%		43.5	%
Other		9.6	%		10.4	%		11.1	%
Total Company		100.0	%		100.0	%		100.0	%

          Gross margin for Fiscal 2011 was 35.5 percent, an increase from 35.1 percent in the prior year. The improved gross margin was the result of better fixed cost absorption and the Company’s ongoing Continuous Improvement initiatives of approximately $27 million, which were partially offset by increases in purchased raw material (steel and petrochemical based raw materials) of approximately $19 million, net of selective price increases to Customers. Within gross margin, the Company incurred minimal restructuring and asset impairment charges during the fiscal year, compared to $7.5 million last year. The fiscal 2010 charges were primarily related to a downsizing at a plant in Germany and included severance and asset impairments for the building and inventory.

          The principal raw materials that the Company uses are steel, filter media, and petroleum based products. Purchased raw materials represents approximately 60 to 65 percent of the Company’s cost of goods sold. Of that amount, steel, including fabricated parts, represents approximately 25 percent. Filter media represents approximately 15 to 20 percent and the remainder is primarily made up of petroleum based products and other components.

          Operating expenses for Fiscal 2011 were $498.5 million or 21.7 percent of sales, as compared to $420.5 million or 22.4 percent in the prior year. The decrease in operating expenses as a percentage of sales is driven by the higher volume of sales and benefits from the Company’s Continuous Improvement initiatives. In addition, the current year included a $1.9 million reduction in restructuring expenses compared to Fiscal 2010. These benefits were partially offset by costs for our strategic operating investments totaling $13.9 million for the fiscal year and higher compensation related expenses such as incentive compensation of $9.2 million and pension expense of $5.1 million over the prior year.

          Interest expense of $12.5 million increased $0.5 million from $12.0 million in the prior year. Net other income totaled $9.5 million in Fiscal 2011 up from $3.9 million in the prior year. The increase of $5.6 million over the prior year is primarily attributable to increased interest income of $2.0 million, increased earnings from non-consolidated joint ventures of $2.1 million, and increased royalty income of $1.4 million. Components of other income for Fiscal 2011 were as follows: interest income of $3.3 million, earnings from non-consolidated joint ventures of $4.1 million, royalty income of $8.7 million, partially offset by charitable donations of $1.1 million, foreign exchange losses of $4.5 million, and other miscellaneous income and expense items resulting in expenses of $1.0 million.

               The effective tax rate for Fiscal 2011 was 27.9 percent compared to 27.8 percent in Fiscal 2010. The average underlying tax rate remained at 29.7 percent, while discrete items were also a consistent percentage of pre-tax profits. Fiscal 2010 contained $4.3 million of discrete tax benefits from the expiration of the statute of limitations at foreign subsidiaries. Fiscal 2011 contained $5.8 million of discrete tax benefits primarily from the release of reserves after the favorable conclusions of foreign tax audits, the expiration of statutes in various jurisdictions, and the positive impact of dividends from some foreign subsidiaries.

          Total backlog at July 31, 2011, was $816.4 million, up 29.9 percent from the same period in the prior year. Backlog is one of many indicators of business conditions in the Company’s markets. However, it is not always indicative of future results for a number of reasons, including short lead times in the Company’s replacement parts businesses and the timing of the receipt of orders in many of the Company’s Engine OEM and Industrial markets. In

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the Engine Products segment, total open order backlog increased 36.6 percent from the prior year. In the Industrial Products segment, total open order backlog increased 14.9 percent from the prior year. Because some of the change in backlog can be attributed to a change in the ordering patterns of the Company’s Customers and/or the impact of foreign exchange translation rates, it may not necessarily correspond to future sales.

Liquidity and Capital Resources

          Financial Condition At July 31, 2012, the Company’s capital structure was comprised of $97.5 million of current debt, $203.5 million of long-term debt and $910.0 million of shareholders’ equity. The Company had cash and cash equivalents of $225.8 million at July 31, 2012. The ratio of long-term debt to total capital was 18.3 percent and 18.0 percent at July 31, 2012 and 2011, respectively.

          Total debt outstanding increased $34.2 million during the year to $301.0 million outstanding at July 31, 2012. Short-term borrowings outstanding at the end of the year were $82.0 million more than the prior year, and long-term debt decreased $47.8 million (including current maturities) from the prior year.

          The following table summarizes the Company’s cash obligations as of July 31, 2012, for the years indicated (thousands of dollars):

			Payments Due by Period
Contractual Obligations	Total		Less than 1 year		1 - 3 years		3 - 5 years		More than 5 years
Long-term debt obligations	$	201,117	$	—	$	101,117	$	50,000	$	50,000
Capital lease obligations		774		464		310		—		—
Interest on long-term debt obligations		37,475		11,201		13,944		10,960		1,370
Operating lease obligations		26,583		11,793		11,819		2,510		461
Purchase obligations (1)		276,083		272,193		2,736		1,147		7
Pension and deferred compensation (2)		89,876		21,402		9,827		9,568		49,079
Total (3)	$	631,908	$	317,053	$	139,753	$	74,185	$	100,917

(1)	Purchase obligations consist primarily of inventory, tooling, contract employment services and capital expenditures. The Company’s purchase orders for inventory are based on expected Customer demand, and quantities and dollar volumes are subject to change.
(2)	Pension and deferred compensation consists of long-term pension liabilities and salary and bonus deferrals elected by certain executives under the Company’s deferred compensation plan. Deferred compensation balances earn interest based on a treasury bond rate as defined by the plan (10 year treasury bond STRIP rate plus two percent for deferrals prior to January 1, 2011 and 10 year treasury bond rates for deferrals after December 31, 2010) and approved by the Human Resources Committee of the Board of Directors, and are payable at the election of the participants.
(3)	In addition to the above contractual obligations, the Company may be obligated for additional cash outflows of $17.8 million of potential tax obligations, including accrued interest and penalties. The payment and timing of any such payments is affected by the ultimate resolution of the tax years that are under audit or remain subject to examination by the relevant taxing authorities, and are therefore not currently capable of estimation by period.

          The Company’s general funding policy for its pension plans is to make at least the minimum contributions as required by applicable regulations. Additionally, the Company may elect to make additional contributions up to the maximum tax deductible contribution. As such, the Company made contributions of $25.5 million to its U.S. pension plans in Fiscal 2012. The minimum funding requirement for the Company’s U.S. pension plans for Fiscal 2013 is $13.5 million. Per the Pension Protection Act of 2006, this obligation could be met with existing credit balances. The Company is still considering whether a cash contribution will be made. The Company made contributions of $12.5 million to its non-U.S. pension plans in Fiscal 2012 and estimates that it will contribute approximately $7.0 million in Fiscal 2013 based upon the local government prescribed funding requirements. Future estimates of the Company’s pension plan contributions may change significantly depending on the actual rate of return on plan assets, discount rates, and regulatory requirements.

          The Company has a five-year, multi-currency revolving facility with a group of banks under which the Company may borrow up to $250 million. This facility matures on April 2, 2013. The agreement provides that loans may be made under a selection of currencies and rate formulas including Base Rate Advances or Off Shore Rate Advances. The interest rate on each advance is based on certain market interest rates and leverage ratios. Facility fees and other fees on the entire loan commitment are payable over the duration of this facility. There was $80.0 million outstanding

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at July 31, 2012 and nothing outstanding at July 31, 2011. At July 31, 2012 and 2011, $159.1 million and $238.6 million, respectively, were available for further borrowing under such facilities. The amount available for further borrowing reflects a reduction for issued standby letters of credit, as discussed below. The weighted average interest rate on short-term borrowings outstanding at July 31, 2012 was 0.4 percent. The Company’s multi-currency revolving facility contains debt covenants specifically related to maintaining a certain interest coverage ratio and a certain leverage ratio as well as other covenants that under certain circumstances can restrict the Company’s ability to incur additional indebtedness, make investments and other restricted payments, create liens, and sell assets. As of July 31, 2012, the Company was in compliance with all such covenants. The Company expects to remain in compliance with these covenants. The Company does anticipate refinancing this revolving credit facility during Fiscal 2013.

          The Company has two uncommitted credit facilities in the United States, which provide unsecured borrowings for general corporate purposes. At July 31, 2012 and 2011, there was $41.3 million and $56.9 million available for use, respectively. There was $8.7 million outstanding at July 31, 2012 and $13.1 million outstanding at July 31, 2011.

          The Company has a €100 million program for issuing treasury notes for raising short, medium, and long-term financing for its European operations. There was nothing outstanding on this program at July 31, 2012 or 2011. Additionally, the Company’s European operations have lines of credit with an available limit of €43.6 million. There was nothing outstanding on these lines of credit as of July 31, 2012 or 2011.

          Other international subsidiaries may borrow under various credit facilities. There was $6.4 million outstanding under these credit facilities as of July 31, 2012 and nothing outstanding as of July 31, 2011.

          Also, at July 31, 2012 and 2011, the Company had outstanding standby letters of credit totaling $10.9 million and $11.4 million, respectively, upon which no amounts had been drawn. The letters of credit guarantee payment to third parties in the event the Company is in breach of insurance contract terms as detailed in each letter of credit.

          During Fiscal 2012, credit in the global credit markets was accessible and market interest rates remained low. The Company believes that its current financial resources, together with cash generated by operations, are sufficient to continue financing its operations for the next twelve months. There can be no assurance, however, that the cost or availability of future borrowings will not be impacted by future capital market disruptions.

          Certain note agreements contain debt covenants related to working capital levels and limitations on indebtedness. As of July 31, 2012, the Company was in compliance with all such covenants. The Company expects to remain in compliance with these covenants.

          Shareholders’ equity decreased $24.7 million in Fiscal 2012 to $910.0 million at July 31, 2012. The decrease was primarily due to the repurchase of treasury stock for $130.2 million, changes to foreign currency translation of $98.7 million, $49.7 million of dividend declarations, and $42.5 million (net of tax) of adjustments related to the pension liability. These decreases were partially offset by current year earnings of $264.3 million, $12.7 million of stock options exercised, $12.0 million in tax reductions related to employee plans, and $7.8 million of the equity impact of stock option expense.

          The Company’s inventory balance was $256.1 million as of July 31, 2012, as compared to $271.5 million as of July 31, 2011. Excluding the impact of foreign exchange fluctuations, inventories increased $4.1 million. This increase was a result of our expansion of distribution capabilities in emerging regions as well as gas turbine projects that are being constructed but are not yet ready for shipment, resulting in increases in our inventory balances in local currencies.

          The Company’s accounts receivable balance was $438.8 million as of July 31, 2012, as compared to $445.7 million as of July 31, 2011. Excluding the impact of foreign exchange fluctuations, accounts receivable increased $17.9 million. This increase was driven by the increase in the Company’s sales.

          Cash Flows During Fiscal 2012, $259.7 million of cash was generated from operating activities, compared with $246.1 million in Fiscal 2011. The increase in cash generated from operating activities of $13.6 million was primarily attributable to the Company’s net earnings increase of $39.0 million over the prior year, partially offset by changes in working capital needs resulting from purchases and inventory levels returning to normal and a larger discretionary pension contribution than the prior year. Cash flow generated by operations, cash on hand, and a $96.7 million increase in short-term borrowings were used to support $77.2 million of net capital expenditures, $130.2 million of stock repurchases, $47.7 million of dividend payments and $46.2 million of long-term debt repayments. In addition, $99.3 million of cash on hand was invested in short-term investments. Cash and cash equivalents decreased $47.7 million during Fiscal 2012.

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          Nearly all of the Company’s cash and cash equivalents are held by its foreign subsidiaries as over half of the Company’s earnings occur outside the U.S. These funds are considered permanently reinvested outside the U.S., and will only be repatriated when it is tax effective to do so, as the cash generated from U.S. operations is sufficient for the U.S cash needs. If additional cash were required for the Company’s operations in the U.S., it may be subject to additional U.S. taxes if funds were repatriated from certain foreign subsidiaries.

          Net capital expenditures for property, plant and equipment totaled $77.2 million in Fiscal 2012 and $59.9 million in Fiscal 2011. Net capital expenditures is comprised of purchases of property, plant, and equipment of $78.1 million and $60.6 million in Fiscal 2012 and 2011, respectively, partially offset by proceeds from the sale of property, plant and equipment of $1.0 million in Fiscal 2012 and $0.8 million in Fiscal 2011. Fiscal 2012 capital expenditures primarily related to plant capacity additions, information and lab technology, productivity enhancing investments at manufacturing sites, and tooling to manufacture new products.

          Capital spending in Fiscal 2013 is planned to be approximately $125.0 million. The Company’s capital spending in Fiscal 2013 will be approximately 30 percent related to capacity expansion, 30 percent for technology initiatives, including a global ERP implementation, 20 percent for tooling for new products, and 20 percent will be in the form of automation or cost reduction projects related to the Company’s ongoing Continuous Improvement initiatives. It is anticipated that Fiscal 2013 capital expenditures will be financed primarily by cash on hand, cash generated from operations, and lines of credit.

          The Company expects that cash generated by operating activities will be between $280 and $310 million in Fiscal 2013. At July 31, 2012, the Company had cash and cash equivalents of $225.8 million and short-term investments of $92.4 million. The Company also had $200.3 million available under existing credit facilities in the United States, €143.6 million or $176.8 million, available under existing credit facilities in Europe, and $56.2 million available under various credit facilities and currencies in Asia and the rest of the world. The Company believes that the combination of existing cash, available credit under existing credit facilities, and the expected cash generated by operating activities will be adequate to meet cash requirements for Fiscal 2013, including debt repayment, issuance of anticipated dividends, possible share repurchase activity, and capital expenditures. The Company does anticipate refinancing its $250 million revolving credit facility during Fiscal 2013.

          Shares and Stock Split At the Company’s Annual Meeting of Stockholders on November 18, 2011, the shareholders approved an increase in the number of authorized shares of common stock, par value $5.00, from 120,000,000 to 240,000,000 and the total number of shares of stock which the Company has the authority to issue from 121,000,000 to 241,000,000.

          On January 27, 2012, the Company announced that its Board of Directors declared a two-for-one stock split effected in the form of a 100 percent stock dividend. The stock split was distributed March 23, 2012, to stockholders of record as of March 2, 2012. Earnings and dividends per share and weighted average shares outstanding are presented in this Form 10-K after the effect of the 100 percent stock dividend. The two-for-one stock split is reflected in the share amounts in all periods presented in this Form 10-K.

          Dividends The Company’s dividend policy is to maintain a payout ratio, which allows dividends to increase with the long-term growth of earnings per share. The Company’s dividend payout ratio target is approximately 25 percent to 30 percent of the average earnings per share of the last three years. Including the Company’s declaration on July 27, 2012, of a $0.09 per share dividend to be paid, the dividend payout ratio was 27.9 percent of the average of the prior three years diluted earnings per share on July 31, 2012.

          Share Repurchase Plan The Board of Directors authorized the repurchase of 16.0 million shares of common stock under the stock repurchase plan dated March 26, 2010. In Fiscal 2012, the Company repurchased 4.5 million shares of common stock for $130.2 million, or 2.9 percent of its diluted outstanding shares, at an average price of $28.92 per share. The Company repurchased 3.9 million shares for $108.9 million in Fiscal 2011. The Company repurchased 3.3 million shares for $66.7 million in Fiscal 2010. As of July 31, 2012, the Company had remaining authorization to repurchase 5.6 million shares pursuant to the current authorization.

          Off-Balance Sheet Arrangements The Company does not have any off-balance sheet arrangements, with the exception of the guarantee of 50 percent of certain debt of its joint venture, Advanced Filtration Systems Inc. (AFSI), as further discussed in Note M of the Company’s Notes to Consolidated Financial Statements. As of July 31, 2012, the joint venture had $21.7 million of outstanding debt. The Company does not believe that this guarantee will have a current or future effect on its financial condition, results of operations, liquidity, or capital resources.

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          New Accounting Standards In June 2011, the Financial Accounting Standards Board (“FASB”) updated the disclosure requirements for comprehensive income. The updated guidance requires companies to disclose the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. The updated guidance does not affect how earnings per share is calculated or presented. The updated guidance is effective for the Company beginning in the first quarter of Fiscal 2013. Since this standard impacts disclosure requirements only, its adoption will not have a material impact on the Company’s consolidated financial statements. In December 2011, the FASB issued updated guidance to delay the effective date of certain provisions that relate to reclassification items until such time as the FASB has time to re-deliberate the presentation of those items.

          In May 2011, the FASB updated the accounting guidance related to fair value measurements. The updated guidance results in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards (IFRS). The updated guidance was effective for the Company beginning in the third quarter of Fiscal 2012. The adoption of this standard did not have a material impact on the Company’s consolidated financial statements.

Market Risk

          The Company’s market risk includes the potential loss arising from adverse changes in foreign currency exchange rates and interest rates. The Company manages foreign currency market risk from time to time through the use of a variety of financial and derivative instruments. The Company does not enter into any of these instruments for trading purposes to generate revenue. Rather, the Company’s objective in managing these risks is to reduce fluctuations in earnings and cash flows associated with changes in foreign currency exchange rates. The Company uses forward exchange contracts and other hedging activities to hedge the U.S. dollar value resulting from existing recognized foreign currency denominated asset and liability balances and also for anticipated foreign currency transactions. The Company also naturally hedges foreign currency through its production in the countries in which it sells its products. The Company’s market risk on interest rates is the potential decrease in fair value of long-term debt resulting from a potential increase in interest rates. See further discussion of these market risks below and in Note F of the Notes to Consolidated Financial Statements.

          Foreign Currency During Fiscal 2012, the U.S. dollar was generally stronger than in Fiscal 2011 compared to many of the currencies of the foreign countries in which the Company operates. The overall strength of the dollar had a negative impact on the Company’s international net sales results because the foreign denominated revenues translated into fewer U.S. dollars.

          It is not possible to determine the true impact of foreign currency translation changes. However, the direct effect on reported net sales and net earnings can be estimated. For the year ended July 31, 2012, the impact of foreign currency translation resulted in an overall decrease in reported net sales of $38.7 million, a decrease in operating expenses of $9.8 million and a decrease in reported net earnings of $4.0 million. Foreign currency translation had a negative impact in many regions around the world. In Europe, the stronger U.S. dollar relative to the euro and British pound resulted in a total decrease of $29.9 million in reported net sales. The stronger U.S. dollar relative to the Mexican peso, South African rand, and the Indian rupee had a negative impact on foreign currency translation with a decrease in reported net sales of $9.4 million, $8.6 million, and 2.7 million, respectively and a decrease in reported net earnings of $1.2 million, $1.0 million, and $0.1 million, respectively. The weaker U.S. dollar relative to the Japanese yen and Chinese renminbi had a positive impact on foreign currency translation, with an increase in reported net sales of $8.2 million and $5.5 million, respectively, and an increase in reported net earnings of $0.4 million and $0.9 million, respectively.

          The Company maintains significant assets and operations in Europe, Asia-Pacific, South Africa, and Mexico, resulting in exposure to foreign currency gains and losses. A portion of the Company’s foreign currency exposure is naturally hedged by incurring liabilities, including bank debt, denominated in the local currency in which the Company’s foreign subsidiaries are located.

          The foreign subsidiaries of the Company generally purchase the majority of their input costs and then sell to many of their Customers in the same local currency.

          The Company may be exposed to cost increases relative to local currencies in the markets to which it sells. To mitigate such adverse trends, the Company, from time to time, enters into forward exchange contracts and other hedging activities. Additionally, foreign currency positions are partially offsetting and are netted against one another to reduce exposure.

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          Some products made in the United States are sold abroad. As a result, sales of such products are affected by the value of the U.S. dollar relative to other currencies. Any long-term strengthening of the U.S. dollar could depress these sales. Also, competitive conditions in the Company’s markets may limit its ability to increase product pricing in the face of adverse currency movements.

          Interest The Company’s exposure to market risks for changes in interest rates relates primarily to its short-term investments, short-term borrowings, and interest rate swap agreements, as well as the potential increase in fair value of long-term debt resulting from a potential decrease in interest rates. The Company has no earnings or cash flow exposure due to market risks on its long-term debt obligations as a result of the fixed-rate nature of the debt. However, interest rate changes would affect the fair market value of the debt. As of July 31, 2012, the estimated fair value of long-term debt with fixed interest rates was $223.5 million compared to its carrying value of $201.1 million. The fair value is estimated by discounting the projected cash flows using the rate of which similar amounts of debt could currently be borrowed. As of July 31, 2012, the Company’s financial liabilities with exposure to changes in interest rates consisted mainly of $88.7 million of short-term debt outstanding. Assuming a hypothetical increase of one-half percent in short-term interest rates, with all other variables remaining constant, interest expense would have increased $0.4 million in Fiscal 2012.

          Pensions The Company is exposed to market return fluctuations on its qualified defined benefit pension plans. In Fiscal 2012, we adjusted our long–term rate of return from 7.75 percent to 7.50 percent on our U.S. plans, and from a weighted average of 6.03 percent to 5.20 percent on our non-U.S. plans, to reflect our future expectation for returns. In addition, we adjusted our discount rate used to value our pension obligation for our U.S. plans from 4.91 percent to 3.59 percent and from 5.36 percent to 4.13 percent for the non-U.S plans. Our plans were underfunded by $73.9 million at July 31, 2012, since the projected benefit obligation exceeded the fair value of the plan assets.

Critical Accounting Policies

          The Company’s consolidated financial statements are prepared in conformity with generally accepted accounting principles in the United States of America (U.S. GAAP). The preparation of these financial statements requires the use of estimates, judgments, and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the periods presented. Management bases these estimates on historical experience and various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the recorded values of certain assets and liabilities. The Company believes its use of estimates and underlying accounting assumptions adheres to U.S. GAAP and is consistently applied. Valuations based on estimates and underlying accounting assumptions are reviewed for reasonableness on a consistent basis throughout the Company. Management believes the Company’s critical accounting policies that require more significant judgments and estimates used in the preparation of its consolidated financial statements and that are the most important to aid in fully understanding its financial results are the following:

          Revenue recognition, warranty, and allowance for doubtful accounts Revenue is recognized when both product ownership and the risk of loss have transferred to the Customer and the Company has no remaining obligations. The Company records estimated discounts and rebates as a reduction of sales in the same period revenue is recognized. Accruals for warranties on products sold are recorded based on historical return percentages and specific product campaigns. Allowances for doubtful accounts are estimated by management based on evaluation of potential losses related to Customer receivable balances. The Company determines the allowance based on historical write-off experience in the industry, regional economic data, and evaluation of specific Customer accounts for risk of loss. The Company reviews its allowance for doubtful accounts monthly. Account balances are charged off against the allowance when the Company feels it is probable the receivable will not be recovered. The Company does not have any off-balance sheet credit exposure related to its Customers. The establishment of this reserve requires the use of judgment and assumptions regarding the potential for losses on receivable balances. Though management considers these balances adequate and proper, changes in economic conditions in specific markets in which the Company operates could have an effect on reserve balances required.

          Goodwill and other intangible assets Goodwill is assessed for impairment annually, or more frequently if events or changes in circumstances indicate that the asset might be impaired. The Company performs impairment assessments for its reporting units and uses a discounted cash flow model based on management’s judgments and assumptions to determine the estimated fair value. An impairment loss generally would be recognized when the carrying amount of the reporting unit’s net assets exceeds the estimated fair value of the reporting unit. The Company performed an impairment assessment during the third quarter of Fiscal 2012 to satisfy its annual impairment requirement. The impairment assessment in the third quarter indicated that the estimated fair value of each reporting unit exceeded its corresponding carrying amount, including recorded goodwill and, as such, no impairment existed at that time. Other

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intangible assets with definite lives continue to be amortized over their estimated useful lives. Definite lived intangible assets are also subject to impairment assessments. A considerable amount of management judgment and assumptions are required in performing the impairment assessments, principally in determining the fair value of each reporting unit. While the Company believes its judgments and assumptions are reasonable, different assumptions could change the estimated fair values and, therefore, impairment charges could be required.

          Income taxes As part of the process of preparing the Company’s Consolidated Financial Statements, management is required to estimate income taxes in each of the jurisdictions in which the Company operates. This process involves estimating actual current tax exposure together with assessing temporary differences resulting from differing treatment of items for tax and book accounting purposes. These differences result in deferred tax assets and liabilities, which are included within the Company’s Consolidated Balance Sheet. These assets and liabilities are evaluated by using estimates of future taxable income streams and the impact of tax planning strategies. Management assesses the likelihood that deferred tax assets will be recovered from future taxable income and to the extent management believes that recovery is not likely, a valuation allowance is established. To the extent that a valuation allowance is established or increased, an expense within the tax provision is included in the statement of operations. Reserves are also estimated for uncertain tax positions that are currently unresolved. The Company routinely monitors the potential impact of such situations and believes that it is properly reserved. Valuations related to tax accruals and assets can be impacted by changes to tax codes, changes in statutory tax rates, and the Company’s future taxable income levels. As of July 31, 2012, the liability for unrecognized tax benefits, accrued interest and penalties was $17.8 million.

          Employee Benefit Plans The Company incurs expenses relating to employee benefits such as non-contributory defined benefit pension plans and postretirement health care benefits. In accounting for these employment costs, management must make a variety of assumptions and estimates including mortality rates, discount rates, overall Company compensation increases, expected return on plan assets, and health care cost trend rates. The Company considers historical data as well as current facts and circumstances and uses a third-party specialist to assist management in determining these estimates.

          To develop the assumption regarding the expected long-term rate of return on assets for its U.S. pension plans, the Company considered the historical returns and the future expectations for returns for each asset class, as well as the target asset allocation of the pension portfolio. This resulted in the selection of the 7.50 percent long-term rate of return on assets assumption as of July 31, 2012, for developing the Fiscal 2013 expense for the Company’s U.S. pension plans. In addition, the Company lowered the discount rate used to value the pension obligation for its U.S. plans from 4.91 percent to 3.59 percent. The Company also selected the long-term rate of return on assets for its non-U.S. plans of 5.20 percent and adjusted the discount rate used to 4.13 percent for developing the Fiscal 2013 expense. The expected long-term rate of return on assets assumption for the plans outside the U.S. reflects the investment allocation and expected total portfolio returns specific to each plan and country.

          Reflecting the relatively long-term nature of the plans’ obligations, approximately 45 percent of the plans assets are invested in equity securities, 30 percent in alternative investments (funds of hedge funds), 10 percent in real assets (investments into funds containing commodities and real estate), 10 percent in fixed income, and 5 percent in private equity. Within equity securities, the Company targets an allocation of 15 percent international, 15 percent equity long / short, 10 percent small cap, and 5 percent large cap.

          A one percent change in the expected long-term rate of return on U.S. plan assets, from 7.75 percent, would have changed the Fiscal 2012 annual pension expense by approximately $2.8 million. The expected long-term rate of return on assets assumption for the plans outside the U.S. follows the same methodology as described above but reflects the investment allocation and expected total portfolio returns specific to each plan and country.

          The Company’s objective in selecting a discount rate for its pension plans is to select the best estimate of the rate at which the benefit obligations could be effectively settled on the measurement date, taking into account the nature and duration of the benefit obligations of the plan. In making this best estimate, the Company looks at rates of return on high-quality fixed-income investments currently available and expected to be available during the period to maturity of the benefits. This process includes assessing the universe of bonds available on the measurement date with a quality rating of Aa or better. Similar appropriate benchmarks are used to determine the discount rate for the non-U.S. plans. As of the measurement date of July 31, 2012, the Company decreased its discount rate for the U.S. pension plans to 3.59 percent from 4.91 percent as of July 31, 2011. The decrease of 132 basis points is consistent with published bond indices. The change increased the Company’s U.S. projected benefit obligation as of July 31, 2012, by approximately $46.2 million and is expected to increase pension expense in fiscal year 2013 by approximately $3.4 million. The rates discussed above are weighted average rates as we have multiple plans both in the U.S. and internationally.

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          The Company expects that global pension expenses will increase approximately $6.0 million in Fiscal 2013 as compared to Fiscal 2012, which is driven primarily by the changes in assumptions.

Safe Harbor Statement under the Securities Reform Act of 1995

          The Company, through its management, may make forward-looking statements reflecting the Company’s current views with respect to future events and financial performance. These forward-looking statements, which may be included in reports filed under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), in press releases and in other documents and materials as well as in written or oral statements made by or on behalf of the Company, are subject to certain risks and uncertainties, including those discussed in Item 1A of this Form 10-K, which could cause actual results to differ materially from historical results or those anticipated. The words or phrases “will likely result,” “are expected to,” “will continue,” “estimate,” “project,” “believe,” “expect,” “anticipate,” “forecast,” and similar expressions are intended to identify forward-looking statements within the meaning of Section 21e of the Exchange Act and Section 27A of the Securities Act of 1933, as amended, as enacted by the Private Securities Litigation Reform Act of 1995 (“PSLRA”). In particular the Company desires to take advantage of the protections of the PSLRA in connection with the forward-looking statements made in this Annual Report on Form 10-K, including those contained in the “Outlook” section of Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

          Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date such statements are made. In addition, the Company wishes to advise readers that the factors listed in Item 1A of this Form 10-K, as well as other factors, could affect the Company’s performance and could cause the Company’s actual results for future periods to differ materially from any opinions or statements expressed. These factors include, but are not limited to risks associated with: world economic factors and the ongoing economic uncertainty, the reduced demand for hard disk drive products with the increased use of flash memory, the potential for some Customers to increase their reliance on their own filtration capabilities, currency fluctuations, commodity prices, political factors, the Company’s international operations, highly competitive markets, governmental laws and regulations, including the impact of the various economic stimulus and financial reform measures, the implementation of our new information technology systems, potential global events resulting in market instability including financial bailouts and defaults of sovereign nations, military and terrorist activities, health outbreaks, natural disasters, such as the recent flood in Thailand, and other factors included in Item 1A of this Report on Form 10-K. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

          Market risk disclosure appears in Management’s Discussion and Analysis on page 23 under “Market Risk.”

26

Item 8. Financial Statements and Supplementary Data

Management’s Report on Internal Control over Financial Reporting

          Management is responsible for establishing and maintaining adequate internal control over financial reporting for the Company. Management conducted an evaluation of the effectiveness of internal control over financial reporting based on the framework in Internal Control – Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”). Based on this evaluation, management concluded that the Company’s internal control over financial reporting was effective as of July 31, 2012. The Company’s independent registered public accounting firm, PricewaterhouseCoopers LLP, has audited the effectiveness of the Company’s internal control over financial reporting as of July 31, 2012, as stated in this report which follows in Item 8 of this Form 10-K.

/s/ William M. Cook	/s/ James F. Shaw
William M. Cook	James F. Shaw
Chief Executive Officer	Chief Financial Officer
September 28, 2012	September 28, 2012

27

Report of Independent Registered Public Accounting Firm

To the Shareholders and Board of Directors of Donaldson Company, Inc.

          In our opinion, the accompanying consolidated balance sheets and the related statements of earnings, shareholders’ equity and cash flows present fairly, in all material respects, the financial position of Donaldson Company, Inc. and its subsidiaries at July 31, 2012 and 2011, and the results of their operations and their cash flows for each of the three years in the period ended July 31, 2012, in conformity with accounting principles generally accepted in the United States of America. In addition, in our opinion the financial statement schedule appearing under item 15(II) presents fairly, in all material respects, the information set forth therein when read in conjunction with the related consolidated financial statements. Also in our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of July 31, 2012, based on criteria established in Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). The Company’s management is responsible for these financial statements and financial statement schedule, for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control over Financial Reporting. Our responsibility is to express opinions on these financial statements, on the financial statement schedule, and on the Company’s internal control over financial reporting based on our integrated audits. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement and whether effective internal control over financial reporting was maintained in all material respects. Our audits of the financial statements included examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audits also included performing such other procedures as we considered necessary in the circumstances. We believe that our audits provide a reasonable basis for our opinions.

          A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

          Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
Minneapolis, Minnesota
September 28, 2012

28

Consolidated Statements of Earnings
Donaldson Company, Inc. and Subsidiaries

	Year ended July 31,
	2012			2011			2010
	(thousands of dollars, except share and per share amounts)
Net sales	$	2,493,248		$	2,294,029		$	1,877,064
Cost of sales		1,619,485			1,480,233			1,218,316
Gross margin		873,763			813,796			658,748
Selling, general and administrative		451,158			443,227			376,018
Research and development		59,589			55,286			44,486
Operating income		363,016			315,283			238,244
Interest expense		11,489			12,525			11,975
Other income, net		(19,253	)		(9,505	)		(3,907	)
Earnings before income taxes		370,780			312,263			230,176
Income taxes		106,479			86,972			64,013
Net earnings	$	264,301		$	225,291		$	166,163
Weighted average shares - basic		150,286,403			154,392,740			155,697,056
Weighted average shares - diluted		152,940,605			157,196,918			158,355,544
Net earnings per share - basic	$	1.76		$	1.46		$	1.07
Net earnings per share - diluted	$	1.73		$	1.43		$	1.05

The accompanying notes are an integral part of these Consolidated Financial Statements.

29

Consolidated Balance Sheets
Donaldson Company, Inc. and Subsidiaries

	At July 31,
	2012			2011
	(thousands of dollars, except share amounts)
Assets
Current assets
Cash and cash equivalents	$	225,789		$	273,494
Short-term investments		92,362			—
Accounts receivable, less allowance of $6,418 and $6,908		438,796			445,700
Inventories, net		256,116			271,476
Deferred income taxes		25,158			29,805
Prepaids and other current assets		47,441			46,107
Total current assets	$	1,085,662		$	1,066,582
Property, plant and equipment, net		384,909			391,502
Goodwill		162,949			171,741
Intangible assets, net		46,200			53,496
Other assets		50,362			42,772
Total assets	$	1,730,082		$	1,726,093
Liabilities and shareholders’ equity
Current liabilities
Short-term borrowings	$	95,147		$	13,129
Current maturities of long-term debt		2,346			47,871
Trade accounts payable		199,182			215,918
Accrued employee compensation and related taxes		80,550			86,974
Accrued liabilities		49,242			64,008
Other current liabilities		72,056			68,344
Total current liabilities		498,523			496,244
Long-term debt		203,483			205,748
Deferred income taxes		4,611			11,196
Other long-term liabilities		113,451			78,194
Total liabilities		820,068			791,382
Commitments and contingencies (Note O)
Shareholders’ equity
Preferred stock, $1.00 par value, 1,000,000 shares authorized, none issued		—			—
Common stock, $5.00 par value, 240,000,000 shares authorized, 151,643,194 shares and 88,643,194 shares issued in 2012 and 2011, respectively		758,216			443,216
Retained earnings		366,788			925,542
Stock compensation plans		24,948			24,736
Accumulated other comprehensive income (loss)		(101,888	)		40,027
Treasury stock, 3,980,832 and 13,245,864 shares in 2012 and 2011, at cost		(138,050	)		(498,810	)
Total shareholders’ equity		910,014			934,711
Total liabilities and shareholders’ equity	$	1,730,082		$	1,726,093

The accompanying notes are an integral part of these Consolidated Financial Statements.

30

Consolidated Statements of Cash Flows
Donaldson Company, Inc. and Subsidiaries

	Year ended July 31,
	2012			2011			2010
	(thousands of dollars)
Operating Activities
Net earnings	$	264,301		$	225,291		$	166,163
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization		61,165			60,491			59,232
Equity in losses (earnings) of affiliates, net of distributions		(2,380	)		(2,585	)		183
Deferred income taxes		6,344			1,957			3,025
Tax benefit of equity plans		(10,316	)		(9,873	)		(4,625	)
Stock compensation plan expense		10,553			9,234			8,253
Other, net		(24,346	)		(11,991	)		(6,110	)
Changes in operating assets and liabilities, net of acquired businesses
Accounts receivable		(17,877	)		(62,274	)		(79,308	)
Inventories		(4,149	)		(52,999	)		(25,826	)
Prepaids and other current assets		(17,378	)		7,233			(3,970	)
Trade accounts payable and other accrued expenses		(6,205	)		81,571			85,988
Net cash provided by operating activities		259,712			246,055			203,005
Investing Activities
Purchases of property, plant and equipment		(78,139	)		(60,633	)		(43,149	)
Proceeds from sale of property, plant and equipment		969			782			490
Purchases of short-term investments		(99,298	)		—			—
Acquisitions and divestitures of affiliates		—			3,493			(250	)
Net cash used in investing activities		(176,468	)		(56,358	)		(42,909	)
Financing Activities
Proceeds from long-term debt		—			6,774			531
Repayments of long-term debt		(46,205	)		(13,353	)		(5,508	)
Change in short-term borrowings		96,715			(36,603	)		20,713
Purchase of treasury stock		(130,233	)		(108,929	)		(66,696	)
Dividends paid		(47,684	)		(41,013	)		(36,242	)
Tax benefit of equity plans		10,316			9,873			4,625
Exercise of stock options		13,691			15,899			13,053
Net cash used in financing activities		(103,400	)		(167,352	)		(69,524	)
Effect of exchange rate changes on cash		(27,549	)		19,149			(2,259	)
Increase (decrease)in cash and cash equivalents		(47,705	)		41,494			88,313
Cash and cash equivalents, beginning of year		273,494			232,000			143,687
Cash and cash equivalents, end of year	$	225,789		$	273,494		$	232,000
Supplemental Cash Flow Information
Cash paid during the year for:
Income taxes	$	91,915		$	57,688		$	40,032
Interest		13,410			12,852			11,446

The accompanying notes are an integral part of these Consolidated Financial Statements.

31

Consolidated Statements of Changes in Shareholders’ Equity

Donaldson Company, Inc. and Subsidiaries

	Common Stock		Additional Paid-in Capital			Retained Earnings			Stock Compensation Plans			Accumulated Other Comprehensive Income (Loss)			Treasury Stock			Total
	(thousands of dollars, except per share amounts)
Balance July 31, 2009	$	443,216	$	—		$	615,817		$	19,894		$	(9,677	)	$	(380,632	)	$	688,618
Comprehensive income
Net earnings							166,163												166,163
Foreign currency translation													(15,961	)					(15,961	)
Pension liability adjustment, net of deferred taxes													(14,780	)					(14,780	)
Net loss on cash flow hedging derivatives													(68	)					(68	)
Comprehensive income																			135,354
Treasury stock acquired																(66,696	)		(66,696	)
Stock options exercised				(5,608	)		(7,678	)		2,676						22,951			12,341
Deferred stock and other activity				(704	)		(30	)		(244	)					1,707			729
Performance awards				7			(7	)											—
Stock option expense							6,891												6,891
Tax reduction - employee plans				6,305															6,305
Dividends ($0.240 per share)							(36,909	)											(36,909	)
Balance July 31, 2010		443,216		—			744,247			22,326			(40,486	)		(422,670	)		746,633
Comprehensive income
Net earnings							225,291												225,291
Foreign currency translation													72,505						72,505
Pension liability adjustment, net of deferred taxes													7,166						7,166
Net gain on cash flow hedging derivatives													842						842
Comprehensive income																			305,804
Treasury stock acquired																(108,929	)		(108,929	)
Stock options exercised				(10,792	)		(7,854	)		1,862						30,604			13,820
Deferred stock and other activity				(1,418	)		174			548						2,185			1,489
Performance awards				(7	)		7												—
Stock option expense							6,462												6,462
Tax reduction - employee plans				12,217															12,217
Dividends ($0.280 per share)							(42,785	)											(42,785	)
Balance July 31, 2011		443,216		—			925,542			24,736			40,027			(498,810	)		934,711
Comprehensive income
Net earnings							264,301												264,301
Foreign currency translation													(98,723	)					(98,723	)
Pension liability adjustment, net of deferred taxes													(42,520	)					(42,520	)
Net loss on cash flow hedging derivatives													(672	)					(672	)
Comprehensive income																			122,386
Treasury stock acquired																(130,233	)		(130,233	)
Stock options exercised				(9,834	)		(5,116	)								27,698			12,748
Deferred stock and other activity				(2,158	)		312			213						1,926			293
Performance awards							(9	)		(1	)								(10	)
Stock option expense							7,800												7,800
Tax reduction - employee plans				11,992															11,992
Two-for-one Stock split		315,000					(776,369	)								461,369			—
Dividends ($0.335 per share)							(49,673	)											(49,673	)
Balance July 31, 2012	$	758,216	$	—		$	366,788		$	24,948		$	(101,888	)	$	(138,050	)	$	910,014

The accompanying notes are an integral part of these Consolidated Financial Statements.

32

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
Donaldson Company, Inc. and Subsidiaries

NOTE A Summary of Significant Accounting Policies

          Description of Business Donaldson Company, Inc. (“Donaldson” or the “Company”), is a worldwide manufacturer of filtration systems and replacement parts. The Company’s product mix includes air and liquid filtration systems and exhaust and emission control products. Products are manufactured at 40 plants around the world and through three joint ventures. Products are sold to original equipment manufacturers (“OEMs”), distributors, dealers, and directly to end-users.

          Principles of Consolidation The Consolidated Financial Statements include the accounts of Donaldson Company, Inc. and all majority-owned subsidiaries. All intercompany accounts and transactions have been eliminated. The Company’s three joint ventures that are not majority-owned are accounted for under the equity method. The Company does not have any variable interests in variable interest entities as of July 31, 2012. The Company uses a fiscal period which ends on a calendar basis for international affiliates and on the Friday nearest to July 31 for U.S. purposes.

          Use of Estimates The preparation of Financial Statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

          Foreign Currency Translation For foreign operations, local currencies are considered the functional currency. Assets and liabilities are translated to U.S. dollars at year-end exchange rates and the resulting gains and losses arising from the translation of net assets located outside the United States are recorded as a cumulative translation adjustment, a component of Accumulated other comprehensive income (loss) in the Consolidated Balance Sheets. Elements of the Consolidated Statements of Earnings are translated at average exchange rates in effect during the year. Realized and unrealized foreign currency transaction gains and losses are included in Other income, net in the Consolidated Statements of Earnings. A foreign currency transaction gain of $1.8 million and losses of $4.5 million, and $4.6 million are included in Other income, net in the Consolidated Statements of Earnings in Fiscal 2012, 2011, and 2010, respectively.

          Cash Equivalents The Company considers all highly liquid temporary investments with a maturity of three months or less when purchased to be cash equivalents. Cash equivalents are carried at cost that approximates market value.

          Short-Term Investments Classification of the Company’s investments as current or non-current is dependent upon management’s intended holding period, the investment’s maturity date, and liquidity considerations based on market conditions. If management intends to hold the investments for longer than one year as of the balance sheet date, they are classified as non-current. See Note B for disclosures related to the Company’s short-term investments.

          Accounts Receivable and Allowance for Doubtful Accounts Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The allowance for doubtful accounts is the Company’s best estimate of the amount of probable credit losses in its existing accounts receivable. The Company determines the allowance based on historical write-off experience in the industry, regional economic data, and evaluation of specific Customer accounts for risk of loss. The Company reviews its allowance for doubtful accounts monthly. Past due balances over 90 days and over a specified amount are reviewed individually for collectability. All other balances are reviewed on a pooled basis by type of receivable. Account balances are charged off against the allowance when the Company feels it is probable the receivable will not be recovered. The Company does not have any off-balance-sheet credit exposure related to its Customers.

33

          Inventories Inventories are stated at the lower of cost or market. U.S. inventories are valued using the last-in, first-out (“LIFO”) method, while the international subsidiaries use the first-in, first-out (“FIFO”) method. Inventories valued at LIFO were approximately 30 percent and 33 percent of total inventories at July 31, 2012 and 2011, respectively. For inventories valued under the LIFO method, the FIFO cost exceeded the LIFO carrying values by $37.4 million and $37.1 million at July 31, 2012 and 2011, respectively. Results of operations for all periods presented were not materially affected by the liquidation of LIFO inventory. The components of inventory are as follows (thousands of dollars):

	At July 31,
	2012		2011
Materials	$	111,808	$	110,466
Work in process		30,767		33,917
Finished products		113,541		127,093
Total inventories	$	256,116	$	271,476

          Property, Plant and Equipment Property, plant and equipment are stated at cost. Additions, improvements, or major renewals are capitalized, while expenditures that do not enhance or extend the asset’s useful life are charged to expense as incurred. Depreciation is computed under the straight-line method. Depreciation expense was $55.3 million in Fiscal 2012, $54.5 million in Fiscal 2011, and $53.2 million in Fiscal 2010. The estimated useful lives of property, plant, and equipment are 10 to 40 years for buildings, including building improvements, and 3 to 10 years for machinery and equipment. The components of property, plant, and equipment are as follows (thousands of dollars):

	At July 31,
	2012			2011
Land	$	21,062		$	22,578
Buildings		258,082			266,482
Machinery and equipment		643,199			625,439
Construction in progress		27,276			31,375
Less accumulated depreciation		(564,710	)		(554,372	)
Total property, plant and equipment, net	$	384,909		$	391,502

          Internal-Use Software The Company capitalizes direct costs of materials and services used in the development and purchase of internal-use software. Amounts capitalized are amortized on a straight-line basis over a period of five years and are reported as a component of machinery and equipment within property, plant, and equipment.

          Goodwill and Other Intangible Assets Goodwill represents the excess of the purchase price over the fair value of net assets acquired in business combinations under the purchase method of accounting. Other intangible assets, consisting primarily of patents, trademarks, Customer relationships and lists, are recorded at cost and are amortized on a straight-line basis over their estimated useful lives of 3 to 20 years. Goodwill is assessed for impairment annually or if an event occurs or circumstances change that would indicate the carrying amount may be impaired. The impairment assessment for goodwill is done at a reporting unit level. Reporting units are one level below the business segment level, but can be combined when reporting units within the same segment have similar economic characteristics. An impairment loss generally would be recognized when the carrying amount of the reporting unit’s net assets exceeds the estimated fair value of the reporting unit. The Company completed its annual impairment assessment in the third quarters of Fiscal 2012 and 2011, which indicated no impairment.

          Recoverability of Long-Lived Assets The Company reviews its long-lived assets, including identifiable intangibles, for impairment when events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If impairment indicators are present and the estimated future undiscounted cash flows are less than the carrying value of the assets, the carrying value is reduced.

          Income Taxes The provision for income taxes is computed based on the pretax income included in the Consolidated Statements of Earnings. Deferred tax assets and liabilities are recognized for the expected future tax consequences attributed to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured using the enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to reverse. Valuation allowances are recorded to reduce deferred tax assets when it is more likely than not that a tax benefit will not be realized.

34

          Comprehensive Income (Loss) Comprehensive income (loss) consists of net income, foreign currency translation adjustments, net changes in the funded status of pension retirement obligations, and net gain or loss on cash flow hedging derivatives, and is presented in the Consolidated Statements of Changes in Shareholders’ Equity. The components of the ending balances of Accumulated other comprehensive income (loss) are as follows (thousands of dollars):

	At July 31,
	2012			2011			2010
Foreign currency translation adjustment	$	32,976		$	131,699		$	59,194
Net gain (loss) on cash flow hedging derivatives, net of deferred taxes		(292	)		380			(462	)
Pension and postretirement liability adjustment, net of deferred taxes		(134,572	)		(92,052	)		(99,218	)
Total accumulated other comprehensive income (loss)	$	(101,888	)	$	40,027		$	(40,486	)

          Cumulative foreign translation is not adjusted for income taxes.

          Earnings Per Share The Company’s basic net earnings per share are computed by dividing net earnings by the weighted average number of outstanding common shares. The Company’s diluted net earnings per share is computed by dividing net earnings by the weighted average number of outstanding common shares and common equivalent shares relating to stock options and stock incentive plans. Certain outstanding options were excluded from the diluted net earnings per share calculations because their exercise prices were greater than the average market price of the Company’s common stock during those periods. There were 1,063,135 options, 988,698 options, and 1,691,654 options excluded from the diluted net earnings per share calculation for the fiscal year ended July 31, 2012, 2011, and 2010, respectively.

          The following table presents information necessary to calculate basic and diluted earnings per share:

	2012		2011		2010
	(thousands of dollars, except per share amounts)
Weighted average shares - basic		150,286		154,393		155,697
Diluted share equivalents		2,655		2,804		2,659
Weighted average shares - diluted		152,941		157,197		158,356
Net earnings for basic and diluted earnings per share computation	$	264,301	$	225,291	$	166,163
Net earnings per share - basic	$	1.76	$	1.46	$	1.07
Net earnings per share - diluted	$	1.73	$	1.43	$	1.05

          On January 27, 2012, the Company announced that its Board of Directors declared a two-for-one stock split effected in the form of a 100 percent stock dividend. The stock split was distributed March 23, 2012, to stockholders of record as of March 2, 2012. Earnings and dividends per share and weighted average shares outstanding are presented in this Form 10-K after the effect of the 100 percent stock dividend. The two-for-one stock split is reflected in the share amounts in all periods presented in the table above and elsewhere in this annual Form 10-K.

          Treasury Stock Repurchased common stock is stated at cost and is presented as a separate reduction of shareholders’ equity.

          Research and Development Research and development costs are charged against earnings in the year incurred. Research and development expenses include basic scientific research and the application of scientific advances to the development of new and improved products and their uses.

          Stock-Based Compensation The Company offers stock-based employee compensation plans, which are more fully described in Note J. Stock-based employee compensation cost is recognized using the fair-value based method.

          Revenue Recognition Revenue is recognized when both product ownership and the risk of loss have transferred to the Customer and the Company has no remaining obligations. The Company records estimated discounts and rebates as a reduction of sales in the same period revenue is recognized. Shipping and handling costs for Fiscal 2012, 2011, and 2010 totaling $67.0 million, $61.9 million, and $49.8 million, respectively, are classified as a component of operating expenses.

          Product Warranties The Company provides for estimated warranty costs at the time of sale and accrues for specific items at the time their existence is known and the amounts are determinable. The Company estimates warranty

35

costs using standard quantitative measures based on historical warranty claim experience and evaluation of specific Customer warranty issues. For a warranty reserve reconciliation see Note N.

          Derivative Instruments and Hedging Activities The Company recognizes all derivatives on the balance sheet at fair value. Derivatives that are not hedges are adjusted to fair value through income. If the derivative is a hedge, depending on the nature of the hedge, changes in the fair value of derivatives are either offset against the change in fair value of the hedged assets, liabilities or firm commitments through earnings or recognized in shareholders’ equity through other comprehensive income until the hedged item is recognized. Gains or losses related to the ineffective portion of any hedge are recognized through earnings in the current period.

          Exit or Disposal Activities The Company accounts for costs relating to exit or disposal activities based on FASB guidance related to exit or disposal cost obligations. This guidance addresses recognition, measurement, and reporting of costs associated with exit and disposal activities including restructuring. See Note P for disclosures related to restructuring.

          Guarantees Upon issuance of a guarantee, the Company recognizes a liability for the fair value of an obligation assumed under a guarantee. See Note M for disclosures related to guarantees.

          New Accounting Standards In June 2011, the the Financial Accounting Standards Board (“FASB”) FASB updated the disclosure requirements for comprehensive income. The updated guidance requires companies to disclose the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. The updated guidance does not affect how earnings per share is calculated or presented. The updated guidance is effective for the Company beginning in the first quarter of Fiscal 2013. Since this standard impacts disclosure requirements only, its adoption will not have a material impact on the Company’s consolidated financial statements. In December 2011, the FASB issued updated guidance to delay the effective date of certain provisions that relate to reclassification items until such time as the FASB has time to re-deliberate the presentation of those items.

          In May 2011, the FASB updated the accounting guidance related to fair value measurements. The updated guidance results in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards (IFRS). The updated guidance was effective for the Company beginning in the third quarter of Fiscal 2012. The adoption of this standard did not have a material impact on the Company’s consolidated financial statements.

NOTE B Short-Term Investments

          All short-term investments are time deposits and have original maturities in excess of three months but not more than twelve months. The Company had $92.4 million in short-term investments as of July 31, 2012, and the Company did not have any short-term investments as of July 31, 2011.

NOTE C Goodwill and Other Intangible Assets

          The Company has allocated goodwill to its Industrial Products and Engine Products segments. There was no acquisition or disposition activity during Fiscal 2012. Disposition of goodwill during Fiscal 2011 relates to the sale of the Company’s Ultracool chiller business, based in Terrassa, Spain, for $3.6 million, which resulted in a gain on sale of $0.4 million. The Ultracool chiller business manufactured industrial circulation chillers and was part of the Company’s Industrial Products segment. As of Fiscal 2011, as a result of an internal reorganization, the Company transferred Industrial Hydraulics, a component of its Industrial Filtration Solutions Products within the Industrial Products segment to Aftermarkets Products within the Engine Products segment, along with the goodwill associated with this component. The Company completed its annual impairment assessments in the third quarters of Fiscal 2012 and 2011. The results of this assessment showed that the fair values of the reporting units to which goodwill is assigned continue to exceed the book values of the respective reporting units, resulting in no goodwill impairment.

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          Following is a reconciliation of goodwill for the years ended July 31, 2012 and 2011:

	Engine Products			Industrial Products			Total Goodwill
	(thousands of dollars)
Balance as of July 31, 2010	$	60,914		$	104,401		$	165,315
Goodwill transferred		11,258			(11,258	)		—
Disposition activity		—			(325	)		(325	)
Foreign exchange translation		794			5,957			6,751
Balance as of July 31, 2011	$	72,966		$	98,775		$	171,741
Foreign exchange translation		(1,219	)		(7,573	)		(8,792	)
Balance as of July 31, 2012	$	71,747		$	91,202		$	162,949

          Intangible assets are comprised of patents, trademarks, and Customer relationships and lists. Following is a reconciliation of intangible assets for the years ended July 31, 2012 and 2011:

	Gross Carrying Amount			Accumulated Amortization			Net Intangible Assets
	(thousands of dollars)
Balance as of July 31, 2010	$	83,487		$	(25,195	)	$	58,292
Amortization expense		—			(5,917	)		(5,917	)
Foreign exchange translation		1,952			(831	)		1,121
Balance as of July 31, 2011	$	85,439		$	(31,943	)	$	53,496
Amortization expense		—			(5,778	)		(5,778	)
Retirements		(1,530	)		1,530			—
Foreign exchange translation		(3,834	)		2,316			(1,518	)
Balance as of July 31, 2012	$	80,075		$	(33,875	)	$	46,200

          Net intangible assets consist of patents, trademarks, and trade names of $16.1 million and $20.0 million as of July 31, 2012 and 2011, respectively, and Customer related intangibles of $30.1 million and $33.5 million as of July 31, 2012 and 2011, respectively. As of July 31, 2012, patents, trademarks and trade names had a weighted average remaining life of 9.76 years and Customer related intangibles had a weighted average remaining life of 12.67 years. Expected amortization expense relating to existing intangible assets is as follows (in thousands):

Fiscal Year
2013	$	5,418
2014	$	5,045
2015	$	4,950
2016	$	4,948
2017	$	4,530

NOTE D Credit Facilities

          The Company has a five-year, multi-currency revolving facility with a group of banks under which the Company may borrow up to $250 million. This facility matures on April 2, 2013. The agreement provides that loans may be made under a selection of currencies and rate formulas including Base Rate Advances or Off Shore Rate Advances. The interest rate on each advance is based on certain market interest rates and leverage ratios. Facility fees and other fees on the entire loan commitment are payable over the duration of this facility. There was $80.0 million outstanding at July 31, 2012 and nothing outstanding at July 31, 2011. At July 31, 2012 and 2011, $159.1 million and $238.6 million, respectively, were available for further borrowing under such facilities. The amount available for further borrowing reflects a reduction for issued standby letters of credit, as discussed below. The weighted average interest rate on these short-term borrowings outstanding at July 31, 2012 was 0.4 percent. The Company’s multi-currency revolving facility contains debt covenants specifically related to maintaining a certain interest coverage ratio and a certain leverage ratio as well as other covenants that under certain circumstances can restrict the Company’s ability to incur additional indebtedness, make investments and other restricted payments, create liens, and sell assets. As of July

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31, 2012, the Company was in compliance with all such covenants. The Company does anticipate refinancing this revolving credit facility during Fiscal 2013.

          Certain note agreements contain debt covenants related to working capital levels and limitations on indebtedness. As of July 31, 2012, the Company was in compliance with all such covenants. The Company expects to remain in compliance with these covenants.

          The Company has two uncommitted credit facilities in the United States, which provide unsecured borrowings for general corporate purposes. At July 31, 2012 and 2011, there was $41.3 million and $56.9 million available for use. There was $8.7 million outstanding at July 31, 2012 and $13.1 million outstanding at July 31, 2011. The weighted average interest rate on these short-term borrowings outstanding at July 31, 2012 and 2011 was 1.0 percent and 0.9 percent, respectively.

          The Company has a €100 million, or $123.1 million, program for issuing treasury notes for raising short, medium, and long-term financing for its European operations. There was nothing outstanding on this program at July 31, 2012 or 2011. Additionally, the Company’s European operations have lines of credit with an available limit of €43.6 million or $53.7 million. There was nothing outstanding on these lines of credit as of July 31, 2012 or 2011.

          Other international subsidiaries may borrow under various credit facilities. There was $6.4 million outstanding under these credit facilities as of July 31, 2012, and nothing outstanding as of July 31, 2011. The weighted average interest rate on these short-term borrowings outstanding at July 31, 2012, was 0.5 percent.

          As discussed further in Note M, at July 31, 2012 and 2011, the Company had outstanding standby letters of credit totaling $10.9 million and $11.4 million, respectively, upon which no amounts had been drawn. The letters of credit guarantee payment to third parties in the event the Company is in breach of insurance contract terms as detailed in each letter of credit.

NOTE E Long-Term Debt

          Long-term debt consists of the following:

	2012		2011
	(thousands of dollars)
4.85% Unsecured senior notes, interest payable semi-annually. This note was repaid on December 17, 2011.		—		30,000
6.59% Unsecured senior notes, interest payable semi-annually, principal payment of $80.0 million due November 14, 2013		80,000		80,000
5.48% Unsecured senior notes, interest payable semi-annually, principal payment of $50.0 million due June 1, 2017		50,000		50,000
5.48% Unsecured senior notes, interest payable semi-annually, principal payment of $25.0 million due September 28, 2017		25,000		25,000
5.48% Unsecured senior notes, interest payable semi-annually, principal payment of $25.0 million due November 30, 2017		25,000		25,000
1.418% Guaranteed senior notes, interest payable semi-annually. This note was repaid on January 31, 2012.		—		15,595
2.019% Guaranteed senior note, interest payable semi-annually, principal payment of ¥ 1.65 billion due May 18, 2014		21,117		21,442
Capitalized lease obligations and other, with various maturity dates and interest rates		774		796
Terminated interest rate swap contracts		3,938		5,786
Total		205,829		253,619
Less current maturities		2,346		47,871
Total long-term debt	$	203,483	$	205,748

          Annual maturities of long-term debt are $0.5 million in 2013, $101.4 million in 2014, $50.0 million in 2017, and $50.0 million thereafter. There are no maturities in 2015 or 2016. As of July 31, 2012, the estimated fair value of long-term debt with fixed interest rates was $223.5 million compared to its carrying value of $201.1 million. On December

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17, 2011, the Company paid off its 4.85 percent Unsecured senior note for $30.0 million. On January 31, 2012, the Company paid off its 1.418 percent Guaranteed senior note for ¥1.2 billion, or $15.4 million.

          Certain note agreements contain debt covenants related to working capital levels and limitations on indebtedness. As of July 31, 2012, the Company was in compliance with all such covenants. The Company expects to remain in compliance with these covenants.

NOTE F Financial Instruments

          Derivatives The Company uses forward exchange contracts to manage its exposure to fluctuations in foreign exchange rates. The Company also uses interest rate swaps to manage its exposure to changes in the fair value of its fixed-rate debt resulting from interest rate fluctuations. It is the Company’s policy to enter into derivative transactions only to the extent true exposures exist; the Company does not enter into derivative transactions for speculative or trading purposes. The Company enters into derivative transactions only with counterparties with high credit ratings. These transactions may expose the Company to credit risk to the extent that the instruments have a positive fair value, but the Company has not experienced any material losses, nor does the Company anticipate any material losses.

          The Company enters into forward exchange contracts of generally less than one year to hedge forecasted transactions between its subsidiaries and to reduce potential exposure related to fluctuations in foreign exchange rates for existing recognized assets and liabilities. It also utilizes forward exchange contracts for anticipated intercompany and third-party transactions such as purchases, sales, and dividend payments denominated in local currencies. Forward exchange contracts are designated as cash flow hedges as they are designed to hedge the variability of cash flows associated with the underlying existing recognized or anticipated transactions. Changes in the value of derivatives designated as cash flow hedges are recorded in other comprehensive income (loss) in shareholders’ equity until earnings are affected by the variability of the underlying cash flows. At that time, the applicable amount of gain or loss from the derivative instrument that is deferred in shareholders’ equity is reclassified to earnings. The Company expects to record $0.4 million of net deferred losses from these forward exchange contracts during the next twelve months. Effectiveness is measured using spot rates to value both the hedge contract and the hedged item. The excluded forward points, as well as any ineffective portions of hedges, are recorded in earnings through the same line as the underlying transaction. During Fiscal 2012, 2011, and 2010, $0.4 million, $1.1 million, and $0.2 million of losses, respectively, were recorded due to the exclusion of forward points from the assessment of hedge effectiveness.

          The impact on Accumulated other comprehensive income (loss) (OCI) and earnings from foreign exchange contracts that qualified as cash flow hedges for the twelve months ended July 31, 2012 and 2011, was as follows (thousands of dollars):

	July 31,
	2012			2011
Net carrying amount at beginning of year	$	241		$	(660	)
Cash flow hedges deferred in OCI		2,229			(782	)
Cash flow hedges reclassified to income (effective portion)		(2,960	)		1,963
Change in deferred taxes		117			(280	)
Net carrying amount at July 31	$	(373	)	$	241

          Credit Risk The Company is exposed to credit loss in the event of nonperformance by counterparties in interest rate swaps and foreign exchange forward contracts. Collateral is generally not required of the counterparties or of the Company. In the unlikely event a counterparty fails to meet the contractual terms of an interest rate swap or foreign exchange forward contract, the Company’s risk is limited to the fair value of the instrument. The Company had no interest rate swaps outstanding at July 31, 2012 or 2011. The Company actively monitors its exposure to credit risk through the use of credit approvals and credit limits, and by selecting major international banks and financial institutions as counterparties. The Company has not had any historical instances of non-performance by any counterparties, nor does it anticipate any future instances of non-performance.

NOTE G Fair Value

          Fair Value of Financial Instruments At July 31, 2012 and 2011, the Company’s financial instruments included cash and cash equivalents, accounts receivable, accounts payable, short-term borrowings, long-term debt, and derivative contracts. The fair values of cash and cash equivalents, accounts receivable, accounts payable, and short-term borrowings approximated carrying values because of the short-term nature of these instruments. Derivative contracts are reported at their fair values based on third-party quotes. As of July 31, 2012, the estimated fair value of

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long-term debt with fixed interest rates was $223.5 million compared to its carrying value of $201.1 million. The fair value is estimated by discounting the projected cash flows using the rate that similar amounts of debt could currently be borrowed, classified as level 2 in the fair value hierarchy.

          The following summarizes the Company’s fair value of outstanding derivatives at July 31, 2012, and 2011, on the Consolidated Balance Sheets (thousands of dollars):

	At July 31,
	2012		2011
Asset derivatives recorded under the caption Prepaids and other current assets Foreign exchange contracts	$	526	$	945
Liability derivatives recorded under the caption Other current liabilities Foreign exchange contracts	$	1,424	$	1,470

          The Company’s derivative financial instruments present certain market and counterparty risks; however, concentration of counterparty risk is mitigated as the Company deals with a variety of major banks worldwide. In addition, only conventional derivative financial instruments are utilized. The Company would not be materially impacted if any of the counterparties to the derivative financial instruments outstanding at July 31, 2012, failed to perform according to the terms of its agreement. At this time, the Company does not require collateral or any other form of securitization to be furnished by the counterparties to its derivative instruments.

          The fair values of the Company’s financial assets and financial liabilities listed below reflect the amounts that would be received to sell the assets or paid to transfer the liabilities in an orderly transaction between market participants at the measurement date (exit price). The fair values are based on inputs other than quoted prices that are observable for the asset or liability. These inputs include foreign currency exchange rates and interest rates. The financial assets and financial liabilities are primarily valued using standard calculations and models that use as their basis readily observable market parameters. Industry standard data providers are the primary source for forward and spot rate information for both interest rates and currency rates.

	Significant Other Observable Inputs (Level 2)* (thousands of dollars)
	At July 31,
	2012			2011
Forward exchange contracts – net liability position	$	(898	)	$	(525	)

          *Inputs to the valuation methodology of level 2 assets include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

          The Company holds equity method investments which are classified in other assets in the consolidated balance sheets. The aggregate carrying amount of these investments was $20.1 million and $19.2 million as of July 31, 2012 and 2011, respectively. These equity method investments are measured at fair value on a nonrecurring basis. The fair value of the Company’s equity method investments has not been estimated as there have been no identified events or changes in circumstance that would have had an adverse impact on the value of these investments. In the event that these investments were required to be measured, these investments would fall within Level 3 of the fair value hierarchy, due to the use of significant unobservable inputs to determine fair value, as the investments are privately-held entities without quoted market prices.

          Goodwill and intangible assets are assessed for impairment annually or more frequently if events or changes in circumstances indicate that the asset might be impaired. The Company’s goodwill and intangible assets are not recorded at fair value as there have been no events or circumstances that would have an adverse impact on the value of these assets. In the event that an impairment was recognized, the fair value would be classified within Level 3 of the fair value hierarchy. Refer to Note C for further discussion of the annual goodwill impairment analysis and carrying values of goodwill and other intangible assets.

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          The company assesses the impairment of property, plant, and equipment whenever events or changes in circumstances indicate that the carrying amount of property, plant, and equipment assets may not be recoverable. There were no impairment charges recorded in Fiscal 2012 or Fiscal 2011.

NOTE H Employee Benefit Plans

          Pension Plans The Company and certain of its international subsidiaries have defined benefit pension plans for many of their hourly and salaried employees. There are two types of U.S. plans. The first type of U.S. plan is a traditional defined benefit pension plan primarily for production employees. The second is a plan for salaried workers that provides defined benefits pursuant to a cash balance feature whereby a participant accumulates a benefit comprised of a percentage of current salary that varies with years of service, interest credits and transition credits. The international plans generally provide pension benefits based on years of service and compensation level.

          Net periodic pension costs for the Company’s pension plans include the following components:

	2012			2011			2010
	(thousands of dollars)
Net periodic cost:
Service cost	$	15,464		$	16,148		$	13,184
Interest cost		19,436			19,440			19,445
Expected return on assets		(28,114	)		(27,538	)		(28,390	)
Transition amount amortization		216			225			226
Prior service cost amortization		509			449			293
Actuarial loss amortization		5,696			3,962			2,864
Net periodic benefit cost	$	13,207		$	12,686		$	7,622

          The obligations and funded status of the Company’s pension plans as of 2012 and 2011, is as follows:

	2012			2011
	(thousands of dollars)
Change in benefit obligation:
Benefit obligation, beginning of year	$	404,012		$	377,903
Service cost		15,464			16,148
Interest cost		19,436			19,440
Plan amendments		(781	)		1,639
Participant contributions		1,130			1,058
Actuarial loss		51,914			1,034
Currency exchange rates		(9,689	)		6,936
Benefits paid		(19,994	)		(20,146	)
Benefit obligation, end of year	$	461,492		$	404,012
Change in plan assets:
Fair value of plan assets, beginning of year	$	373,555		$	319,734
Actual return on plan assets		4,442			38,758
Company contributions		37,915			27,655
Participant contributions		1,130			1,058
Currency exchange rates		(9,472	)		6,496
Benefits paid		(19,994	)		(20,146	)
Fair value of plan assets, end of year	$	387,576		$	373,555
Funded status:
Underfunded status at July 31, 2012 and 2011	$	(73,916	)	$	(30,457	)

          The net underfunded status of $73.9 million at July 31, 2012 is recognized in the accompanying Consolidated Balance Sheet. Included in Accumulated other comprehensive income (loss) at July 31, 2012 are the following amounts that have not yet been recognized in net periodic pension expense: unrecognized actuarial losses of $202.6

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million, unrecognized prior service cost of $3.8 million, and unrecognized transition obligations of $2.4 million. The actuarial loss, prior service cost, and unrecognized transition obligation are included in Accumulated other comprehensive income (loss), net of tax. The amounts expected to be recognized in net periodic pension expense during Fiscal 2013 for actuarial loss, prior service cost, and unrecognized transition obligation are $10.3 million, $0.4 million, and $0.2 million, respectively. The accumulated benefit obligation for all defined benefit pension plans was $423.6 million and $365.2 million at July 31, 2012 and 2011, respectively.

          The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets were $347.5 million, $335.1 million, and $277.5 million, respectively, as of July 31, 2012, and $294.2 million, $282.3 million, and $262.4 million, respectively, as of July 31, 2011.

          For the years ended July 31, 2012 and 2011 the U.S. pension plans represented approximately 71 percent, of the Company’s total plan assets, and approximately 74 percent and 72 percent, respectively, of the Company’s total projected benefit obligation.

          The weighted-average discount rates and rates of increase in future compensation levels used in determining the actuarial present value of the projected benefit obligation are as follows:

Weighted average actuarial assumptions	2012			2011
All U.S. plans:
Discount rate		3.59	%		4.91	%
Rate of compensation increase		2.61	%		4.50	%
Non - U.S. plans:
Discount rate		4.13	%		5.36	%
Rate of compensation increase		2.86	%		3.57	%

          The weighted-average discount rates, expected returns on plan assets and rates of increase in future compensation levels used to determine the net periodic benefit cost are as follows:

Weighted average actuarial assumptions	2012			2011			2010
All U.S. plans:
Discount rate		4.91	%		5.25	%		6.00	%
Expected return on plan assets		7.75	%		8.00	%		8.50	%
Rate of compensation increase		4.50	%		5.00	%		5.00	%
Non - U.S. plans:
Discount rate		5.36	%		5.17	%		5.90	%
Expected return on plan assets		6.03	%		6.17	%		6.64	%
Rate of compensation increase		3.57	%		3.69	%		3.87	%

          Expected Long-Term Rate of Return To develop the expected long-term rate of return on assets assumption, the Company considered the historical returns and the future expectations for returns for each asset class, as well as the target asset allocation of the pension portfolio. As of our measurement date of July 31, 2012, the Company decreased its long-term rate of return for the U.S. pension plans to 7.50 percent from 7.75 percent as of July 31, 2011. The Company believes that based on the asset mix and the target asset allocation, the 7.50 percent rate is an appropriate rate. This is slightly below the Company’s twenty year average but above the five and ten year averages. Thus, the Company will use the 7.50 percent rate for the calculation of its Fiscal 2013 net periodic cost. The expected long-term rate of return on assets assumption for the plans outside the U.S. reflects the investment allocation and expected total portfolio returns specific to each plan and country. The expected long-term rate of return on assets shown in the pension benefit disclosure for non-U.S. plans is an asset-based weighted average of all non-U.S. plans.

          Discount Rate The Company’s objective in selecting a discount rate is to select the best estimate of the rate at which the benefit obligations could be effectively settled on the measurement date, taking into account the nature and duration of the benefit obligations of the plan. In making this best estimate, the Company looks at rates of return on high-quality fixed-income investments currently available, and expected to be available, during the period to maturity of the benefits. This process includes looking at the universe of bonds available on the measurement date with a quality rating of Aa or better. Similar appropriate benchmarks are used to determine the discount rate for the non-U.S. plans.

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The discount rate disclosed in the assumptions used to determine net periodic benefit cost and to determine benefit obligations is based upon a weighted average, using year-end projected benefit obligations.

          Plan Assets The Company used the following definitions to classify pension assets into either Level 1, Level 2, or Level 3:
          Level 1 – Quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.
          Level 2 – Inputs other than quoted prices available in Level 1 that are observable either directly or indirectly.
          Level 3 – Unobservable inputs for the asset or liability.

          The fair values of the assets held by the U.S. pension plans by asset category are as follows (in millions):

Asset Category	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
2012
Cash	$	0.9	$	—	$	—	$	0.9
Global Equity Securities		61.5		57.3		0.2		119.0
Fixed Income Securities		29.2		—		—		29.2
Private Equity		—		—		19.1		19.1
Alternative		—		19.5		56.1		75.6
Real Assets		—		—		30.4		30.4
Total U.S. Assets at July 31, 2012	$	91.6	$	76.8	$	105.8	$	274.2
2011
Cash	$	0.3	$	—	$	—	$	0.3
Global Equity Securities		64.8		56.2		0.3		121.3
Fixed Income Securities		36.6		—		—		36.6
Private Equity		—		—		17.6		17.6
Alternative		—		20.1		31.4		51.5
Real Assets		—		—		38.0		38.0
Total U.S. Assets at July 31, 2011	$	101.7	$	76.3	$	87.3	$	265.3
2010
Cash	$	0.9	$	—	$	—	$	0.9
Global Equity Securities		48.7		50.2		2.4		101.3
Fixed Income Securities		17.1		—		—		17.1
Private Equity		—		—		14.8		14.8
Alternative		—		39.4		33.1		72.5
Real Assets		—		9.6		16.3		25.9
Total U.S. Assets at July 31, 2010	$	66.7	$	99.2	$	66.6	$	232.5

          Global equity consists of publicly traded U.S. and non-U.S. equities, Australasia, Far East (EAFE) index funds, equity private placement funds, and some cash and cash equivalents. Publicly traded equities are valued at the closing price reported in the active market in which the individual securities are traded. Index funds are valued at the net asset value (NAV) as determined by the custodian of the fund. The NAV is based on the fair value of the underlying assets owned by the fund, minus its liabilities then divided by the number of units outstanding.

          Fixed income consists primarily of investment grade debt securities, but may include up to 10% in high yield securities rated B or higher by Moody’s or S&P. It may also include up to 20% in securities dominated in foreign currencies. Corporate and other bonds and notes are valued at either the yields currently available on comparable securities of issuers with similar credit ratings or valued under a discounted cash flows approach that maximizes

43

observable inputs, such as current yields of similar instruments, but includes adjustments for certain risks that may not be observable such as credit and liquidity risks.

          Private equity consists of interests in partnerships that invest in U.S. and non-U.S. debt and equity securities. The portfolio is a diversified mix of partnership interests including buyouts, distressed debt, growth equity, mezzanine, real estate, and venture capital investments. Partnership interests are valued using the most recent general partner statement of fair value, updated for any subsequent partnership interests’ cash flow.

          Alternative consists primarily of private partnership interests in hedge funds of funds. Partnership interests are valued using the NAV as determined by the administrator or custodian of the fund.

          Real Assets consist of commodity funds, Real Estate Investment Trusts (REITS), and interests in partnerships that invest in private real estate, commodity, and timber investments. Private investments are valued using the most recent partnership statement of fair value, updated for any subsequent partnership interests’ cash flows. Commodity funds and REITS are valued at the closing price reported in the active market in which they are traded.

          The following table sets forth a summary of changes in the fair values of the U.S. pension plans’ Level 3 assets for the years ended July 31, 2012, 2011, and 2010 (in millions):

	Global Equity			Private Equity			Alternative			Real Assets			Total
Beginning balance at August 1, 2009	$	2.7		$	11.4		$	41.4		$	15.5		$	71.0
Unrealized gains		0.1			1.8			2.8			0.1			4.8
Realized gains		—			—			0.7			—			0.7
Purchases, sales, issuances and settlements, net		(0.4	)		1.6			(11.8	)		0.7			(9.9	)
Ending balance at July 31, 2010	$	2.4		$	14.8		$	33.1		$	16.3		$	66.6
Unrealized gains		—			1.5			2.1			3.4			7.0
Realized gains		—			1.0			—			—			1.0
Purchases, sales, issuances and settlements, net		(2.1	)		0.3			(3.8	)		18.3			12.7
Ending balance at July 31, 2011	$	0.3		$	17.6		$	31.4		$	38.0		$	87.3
Unrealized gains		(0.1	)		0.2			(0.3	)		(1.2	)		(1.4	)
Realized gains		0.1			1.4			0.4			—			1.9
Purchases, sales, issuances and settlements, net		(0.1	)		(0.1	)		17.3			0.9			18.0
Net transfers into (out of) level 3		—			—			7.3			(7.3	)		—
Ending balance at July 31, 2012	$	0.2		$	19.1		$	56.1		$	30.4		$	105.8

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Fair values of the assets held by the international pension plans by asset category are as follows (in millions):

Asset Category	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
2012
Global Equity Securities	$	37.1	$	—	$	—	$	37.1
Fixed Income Securities		5.9		28.4		—		34.3
Equity/Fixed Income		13.3		—		21.8		35.1
Real Assets		—		6.8		—		6.8
Total International Assets at July 31, 2012	$	56.3	$	35.2	$	21.8	$	113.3
2011
Global Equity Securities	$	33.5	$	—	$	—	$	33.5
Fixed Income Securities		—		26.5		—		26.5
Equity/Fixed Income		15.4		—		26.3		41.7
Real Assets		—		6.5		—		6.5
Total International Assets at July 31, 2011	$	48.9	$	33.0	$	26.3	$	108.2
2010
Global Equity Securities	$	26.8	$	—	$	—	$	26.8
Fixed Income Securities		—		20.7		—		20.7
Equity/Fixed Income		12.5		—		21.7		34.2
Real Assets		—		5.5		—		5.5
Total International Assets at July 31, 2010	$	39.3	$	26.2	$	21.7	$	87.2

          Global equity consists of a fixed weights index fund, used to maintain a fixed 50/50 distribution between UK and overseas assets. Publicly traded equities are valued at the closing price reported in the active market in which the individual securities are traded.

          Fixed income consists primarily of investment grade debt securities. Corporate bonds and notes are valued at either the yields currently available on comparable securities of issuers with similar credit ratings or valued under a discounted cash flows approach that maximizes observable inputs, such as current yields of similar instruments, but includes adjustments for certain risks that may not be observable such as credit and liquidity risks.

          Equity/Fixed Income consists of Level 1 assets that are part of a unit linked fund with a strategic asset allocation of 40% fixed income products and 60% equity type products. Assets are valued at either the closing price reported if traded on an active market or at yields currently available on comparable securities of issuers with similar credit ratings. Index funds are valued at the net asset value as determined by the custodian of the fund. The Level 3 assets are composed of mathematical reserves on individual contracts and the Company does not have any influence on the investment decisions as made by the insurer due to the specific minimum guaranteed return characteristics of this type of contract. European insurers in general, broadly have a strategic asset allocation with 80%-90% fixed income products and 20%-10% equity type products (including real estate).

          Real Assets consists of property funds. Property funds are valued using the most recent partnership statement of fair value, updated for any subsequent partnership interests’ cash flows.

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          The following table sets forth a summary of changes in the fair values of the International pension plans’ Level 3 assets for the years ended July 31, 2012, 2011, and 2010 (in millions):

	Equity/Fixed Income
Beginning balance at August 1, 2009	$	23.1
Unrealized gains		0.3
Foreign currency exchange		(1.9	)
Purchases, sales, issuances and settlements, net		0.2
Ending balance at July 31, 2010	$	21.7
Unrealized gains		0.9
Foreign currency exchange		2.5
Purchases, sales, issuances and settlements, net		1.2
Ending balance at July 31, 2011	$	26.3
Unrealized gains		1.4
Foreign currency exchange		(3.8	)
Purchases, sales, issuances and settlements, net		(2.0	)
Net transfers into (out of) Level 3		(0.1	)
Ending balance at July 31, 2012	$	21.8

          Investment Policies and Strategies. For the Company’s U.S. plans, the Company uses a total return investment approach to achieve a long-term return on plan assets, with a prudent level of risk for the purpose of meeting its retirement income commitments to employees. The plans’ investments are diversified to assist in managing risk. The Company’s asset allocation guidelines target an allocation of 45 percent equity securities, 30 percent alternative investments (funds of hedge funds), 10 percent real assets (investments into funds containing commodities and real estate), 10 percent fixed income, and 5 percent private equity. Within equity securities, the Company will target an allocation of 15 percent international, 15 percent equity long/short, 10 percent small cap and 5 percent large cap. These target allocation guidelines are determined in consultation with the Company’s investment consultant, and through the use of modeling the risk/return trade-offs among asset classes utilizing assumptions about expected annual return, expected volatility/standard deviation of returns, and expected correlations with other asset classes.

          For the Company’s non-U.S. plans, the general investment objectives are to maintain a suitably diversified portfolio of secure assets of appropriate liquidity which will generate income and capital growth to meet, together with any new contributions from members and the Company, the cost of current and future benefits. Investment policy and performance is measured and monitored on an ongoing basis by the Company’s investment committee through its use of an investment consultant and through quarterly investment portfolio reviews.

          Estimated Contributions and Future Payments The Company’s general funding policy for its pension plans is to make at least the minimum contributions as required by applicable regulations. Additionally, the Company may elect to make additional contributions up to the maximum tax deductible contribution. As such, the Company made contributions of $25.5 million to its U.S. pension plans in Fiscal 2012. The minimum funding requirement for the Company’s U.S. plans for Fiscal 2013 is $13.5 million. Per the Pension Protection Act of 2006, this obligation could be met with existing credit balances. The Company is still considering whether a cash contribution will be made. The Company made contributions of $12.5 million to its non-U.S. pension plans in Fiscal 2012 and estimates that it will contribute approximately $7.0 million in Fiscal 2013 based upon the local government prescribed funding requirements. Future estimates of the Company’s pension plan contributions may change significantly depending on the actual rate of return on plan assets, discount rates, and regulatory requirements.

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          Estimated future benefit payments for the Company’s U.S. and non-U.S. plans are as follows (thousands of dollars):

Fiscal Year
2013	$	19,516
2014	$	22,667
2015	$	20,875
2016	$	21,399
2017	$	28,955
2018-2022	$	142,611

          Postemployment and Postretirement Benefit Plans The Company provides certain postemployment and postretirement health care benefits for certain U.S. employees for a limited time after termination of employment. The Company has recorded a liability for its postretirement benefit plan in the amount of $1.5 million as of July 31, 2012 and July 31, 2011. The annual cost resulting from these benefits is not material. For measurement purposes, a 7.3 percent annual rate of increase in the per capita cost of covered health care benefits was assumed for Fiscal 2012. The Company has assumed that the long-term rate of increase will decrease gradually to an ultimate annual rate of 4.5 percent. A one-percentage point increase in the health care cost trend rate would increase the Fiscal 2012 and 2011 liability by $0.1 million.

          Retirement Savings and Employee Stock Ownership Plan The Company provides a contributory employee savings plan to U.S. employees that permits participants to make contributions by salary reduction pursuant to section 401(k) of the Internal Revenue Code. Employee contributions of up to 25 percent of compensation are matched at a rate equaling 100 percent of the first 3 percent contributed and 50 percent of the next 2 percent contributed. The Company’s contributions under this plan are based on the level of employee contributions as well as a discretionary contribution based on performance of the Company. Total contribution expense for these plans was $5.5 million, $9.1 million, and $4.5 million for the years ended July 31, 2012, 2011, and 2010, respectively. This plan also includes shares from an Employee Stock Ownership Plan (“ESOP”). As of July 31, 2012, all shares of the ESOP have been allocated to participants. Total ESOP shares are considered to be shares outstanding for earnings per share calculations.

          Deferred Compensation and Other Benefit Plans The Company provides various deferred compensation and other benefit plans to certain executives. The deferred compensation plan allows these employees to defer the receipt of all of their bonus and other stock related compensation and up to 75 percent of their salary to future periods. Other benefit plans are provided to supplement the benefits for a select group of highly compensated individuals which are reduced because of compensation limitations set by the Internal Revenue Code. The Company has recorded a liability in the amount of $9.5 million and $9.2 million as of the year ended July 31, 2012 and July 31, 2011, respectively, related primarily to its deferred compensation plans.

NOTE I Shareholders’ Equity

          Stock Rights On January 27, 2006, the Board of Directors of the Company approved the extension of the benefits afforded by the Company’s existing rights plan by adopting a new shareholder rights plan. Pursuant to the Rights Agreement, dated as of January 27, 2006 by and between the Company and Wells Fargo Bank, N.A., as Rights Agent, one right was issued on March 3, 2006 for each outstanding share of common stock of the Company upon the expiration of the Company’s existing rights. Each of the new rights entitles the registered holder to purchase from the Company one one-thousandth of a share of Series A Junior Participating Preferred Stock, without par value, at a price of $143.00 per one one-thousandth of a share. The rights, however, will not become exercisable unless and until, among other things, any person acquires 15 percent or more of the outstanding common stock of the Company. If a person acquires 15 percent or more of the outstanding common stock of the Company (subject to certain conditions and exceptions more fully described in the Rights Agreement), each right will entitle the holder (other than the person who acquired 15 percent or more of the outstanding common stock) to purchase common stock of the Company having a market value equal to twice the exercise price of a right. The rights are redeemable under certain circumstances at $.001 per right and will expire, unless earlier redeemed, on March 2, 2016.

          Stock Compensation Plans The Stock Compensation Plans in the Consolidated Statements of Changes in Shareholders’ Equity consist of the balance of amounts payable to eligible participants for stock compensation that was deferred to a Rabbi Trust pursuant to the provisions of the 2010 Master Stock Incentive Plan, as well as performance awards payable in common stock discussed further in Note J.

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          Treasury Stock The Company believes that the share repurchase program is a way of providing return to its shareholders. The Board of Directors authorized the repurchase, at the Company’s discretion, of up to 16.0 million shares of common stock under the stock repurchase plan dated March 26, 2010. As of July 31, 2012, the Company had remaining authorization to repurchase 5.6 million shares under this plan. Following is a summary of treasury stock share activity for Fiscal 2012 and 2011:

	2012			2011
Balance at beginning of year		13,245,864			12,222,381
Stock repurchases		4,503,587			1,956,648
Net issuance upon exercise of stock options		(1,270,526	)		(862,981	)
Issuance under compensation plans		(89,528	)		(62,304	)
Stock split and other activity		(12,408,565	)		(7,880	)
Balance at end of year		3,980,832			13,245,864

NOTE J Stock Option Plans

          Employee Incentive Plans In November 2010 shareholders approved the 2010 Master Stock Incentive Plan (the “Plan”) that replaced the 2001 Plan that was scheduled to expire on December 31, 2010 and provided for similar awards. The Plan extends through September 2020 and allows for the granting of nonqualified stock options, incentive stock options, restricted stock, restricted stock units, stock appreciation rights (“SAR”), dividend equivalents, and other stock-based awards. Options under the Plan are granted to key employees at market price at the date of grant. Options are exercisable for up to 10 years from the date of grant. The Plan also allows for the granting of performance awards to a limited number of key executives. As administered by the Human Resources Committee of the Company’s Board of Directors, these performance awards are payable in common stock and are based on a formula which measures performance of the Company over a three-year period. Performance award expense under these plans totaled $1.9 million in Fiscal 2012 and $1.8 million in Fiscal 2011.

          Stock options issued from Fiscal 2002 to Fiscal 2012 become exercisable for non-executives in equal increments over three years. Stock options issued in Fiscal 2012 and Fiscal 2011 become exercisable for executives in equal increments over three years. Stock options issued from Fiscal 2002 to Fiscal 2010 became exercisable for most executives immediately upon the date of grant. Certain other stock options issued to executives during Fiscal 2004, 2006, and 2007 became exercisable in equal increments over three years. For Fiscal 2012, the Company recorded pretax compensation expense associated with stock options of $7.8 million and recorded $2.5 million of related tax benefit. For Fiscal 2011 and 2010, the Company recorded pretax compensation expense associated with stock options of $6.5 million and $6.9 million, respectively, and $2.1 million and $2.4 million, respectively, of related tax benefit.

          Stock-based employee compensation cost is recognized using the fair-value based method. The Company determined the fair value of these awards using the Black-Scholes option pricing model, with the following weighted average assumptions:

	2012			2011			2010
Risk - free interest rate		<0.11 - 1.8	%		<0.12 - 3.1	%		< 0.01 - 3.9	%
Expected volatility		25.8 - 31.9	%		25.5 - 34.7	%		24.4 - 32.3	%
Expected dividend yield		1.0	%		1.0	%		1.0	%
Expected life
Director original grants without reloads		8 years			8 years			8 years
Non - officer original grants		7 years			8 years			7 - 8 years
Officer original grants with reloads		—			—			4 years
Reload grants		<8 years			<8 years			<8 years
Officer original grants without reloads		8 years			8 years			8 years

          Black-Scholes is a widely accepted stock option pricing model; however, the ultimate value of stock options granted will be determined by the actual lives of options granted and the actual future price levels of the Company’s common stock. The weighted average fair value for options granted during Fiscal 2012, 2011, and 2010 is $9.37, $8.63, and $6.62 per share, respectively, using the Black-Scholes pricing model.

          Reload grants are grants made to officers or directors who exercised a reloadable option during the fiscal year and made payment of the purchase price using shares of previously owned Company stock. The reload grant is for the

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number of shares equal to the shares used in payment of the purchase price and/or withheld for minimum tax withholding. Beginning in Fiscal 2011, options no longer have a reload provision for Officers and Directors.

          The following table summarizes stock option activity:

	Options Outstanding			Weighted Average Exercise Price
Outstanding at July 31, 2009		9,996,250		$	13.47
Granted		1,287,948			21.21
Exercised		(1,697,980	)		10.42
Canceled		(42,594	)		20.97
Outstanding at July 31, 2010		9,543,624			15.02
Granted		1,103,202			28.61
Exercised		(2,243,502	)		11.55
Canceled		(15,330	)		23.60
Outstanding at July 31, 2011		8,387,994			17.72
Granted		1,082,979			34.76
Exercised		(1,379,827	)		11.90
Canceled		(34,819	)		27.45
Outstanding at July 31, 2012		8,056,327			20.97

          The total intrinsic value of options exercised during Fiscal 2012, 2011, and 2010 was $29.5 million, $34.2 million, and $19.5 million, respectively.

          Shares reserved at July 31, 2012 for outstanding options and future grants were 15,288,416. Shares reserved consist of shares available for grant plus all outstanding options. Upon shareholder approval of the 2010 Master Stock Incentive Plan, 9,200,000 shares were added to shares reserved.

          The following table summarizes information concerning outstanding and exercisable options as of July 31, 2012:

Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$8.89 to $12.89		559,800		0.75	$	9.99		559,800	$	9.99
$12.90 to $16.89		2,430,944		2.34		15.53		2,430,944		15.53
$16.90 to $20.89		1,476,801		5.32		17.84		1,465,291		17.85
$20.90 to $24.89		1,541,740		6.67		21.78		1,371,437		21.86
$24.90 and above		2,047,042		8.61		32.08		423,458		30.07
		8,056,327		5.20		20.97		6,250,930		17.95

          At July 31, 2012, the aggregate intrinsic value of shares outstanding and exercisable was $116.7 million and $109.4 million, respectively.

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          The following table summarizes the status of options which contain vesting provisions:

	Options			Weighted Average Grant Date Fair Value
Non - vested at July 31, 2011		1,385,750		$	8.45
Granted		1,004,500			9.63
Vested		(550,868	)		8.06
Canceled		(33,985	)		8.42
Non - vested at July 31, 2012		1,805,397			9.22

          The total fair value of shares vested during Fiscal 2012, 2011, and 2010 was $19.5 million, $10.5 million, and $8.0 million, respectively.

          As of July 31, 2012, there was $8.1 million of total unrecognized compensation cost related to non-vested stock options granted under the Plan. This unvested cost is expected to be recognized during Fiscal 2013, Fiscal 2014, and Fiscal 2015.

NOTE K Income Taxes

          The components of earnings before income taxes are as follows:

	2012		2011		2010
	(thousands of dollars)
Earnings before income taxes:
United States	$	171,101	$	117,562	$	85,987
Foreign		199,679		194,701		144,189
Total	$	370,780	$	312,263	$	230,176

          The components of the provision for income taxes are as follows:

	2012			2011			2010
	(thousands of dollars)
Income taxes:
Current
Federal	$	45,468		$	26,675		$	25,455
State		4,012			3,555			2,206
Foreign		50,655			54,785			33,327
		100,135			85,015			60,988
Deferred
Federal		7,391			8,556			3,860
State		722			191			20
Foreign		(1,769	)		(6,790	)		(855	)
		6,344			1,957			3,025
Total	$	106,479		$	86,972		$	64,013

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          The following table reconciles the U.S. statutory income tax rate with the effective income tax rate:

	2012			2011			2010
Statutory U.S. federal rate		35.0	%		35.0	%		35.0	%
State income taxes		1.2			1.0			0.8
Foreign taxes at lower rates		(6.0	)		(6.6	)		(8.2	)
Export, manufacturing and research credits		(1.0	)		(1.6	)		(0.9	)
U.S. tax impact on repatriation of earnings		0.8			(0.3	)		0.1
Change in unrecognized tax benefits		(1.0	)		0.1			1.2
Other		(0.3	)		0.3			(0.2	)
		28.7	%		27.9	%		27.8	%

          The tax effects of temporary differences that give rise to deferred tax assets and liabilities are as follows:

	2012			2011
	(thousands of dollars)
Deferred tax assets:
Accrued expenses	$	10,666		$	12,243
Compensation and retirement plans		52,986			33,298
Tax credit and NOL carryforwards		723			1,173
Inventory reserves		7,482			9,545
Other		3,262			3,311
Deferred tax assets:		75,119			59,570
Valuation allowance		(522	)		(692	)
Net deferred tax assets		74,597			58,878
Deferred tax liabilities:
Depreciation and amortization		(38,796	)		(37,112	)
Other		(394	)		(1,119	)
Deferred tax liabilities		(39,190	)		(38,231	)
Net deferred tax asset	$	35,407		$	20,647

          The effective tax rate for Fiscal 2012 was 28.7 percent compared to 27.9 percent in Fiscal 2011. The increase in effective tax rate is primarily due to an unfavorable shift in the mix of earnings between tax jurisdictions, which increased the underlying average tax rate over the prior year to 30.8 percent from 29.7 percent. The increase in the underlying average tax rate was partially offset by incremental discrete benefits resulting in Fiscal 2012. Fiscal 2012 contained $7.7 million of discrete tax benefits from the favorable settlements of tax audits, the expiration of statutes in various jurisdictions, and other discrete items. Fiscal 2011 contained $5.8 million of discrete tax benefits primarily from the release of reserves after the favorable conclusions of foreign tax audits, the expiration of statutes in various jurisdictions, and the favorable impact of dividends from some foreign subsidiaries.

          The Company has not provided for U.S. income taxes on additional undistributed earnings of non-U.S. subsidiaries of approximately $756.0 million. The Company currently intends to indefinitely reinvest these undistributed earnings overseas as there are significant investment opportunities there or to repatriate the earnings only when it is tax effective to do so. If any portion were to be distributed, the related U.S. tax liability may be reduced by foreign income taxes paid on those earnings plus any available foreign tax credit carryovers. Determination of the unrecognized deferred tax liability related to these undistributed earnings is not practicable.

          The Company has cumulative pre-tax loss carryforwards of $2.7 million, which exist in various international subsidiaries. If fully realized, the unexpired net operating losses may be carried forward to offset future local income tax payments of $0.7 million, at current rates of tax. Approximately 5 percent of these net operating losses expire within the next three years, while the majority of the remaining net operating loss carryforwards expire more than 5 years out or have no statutory expiration under current local laws. However, as it is more-likely-than-not that certain of these losses will not be realized, a valuation allowance of $0.5 million exists as of July 31, 2012.

          The Company maintains a reserve for uncertain tax benefits. The accounting standard defines the threshold for recognizing the benefits of tax return positions in the financial statements as “more-likely-than-not” to be sustained by the taxing authorities based solely on the technical merits of the position. If the recognition threshold is met, the tax

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benefit is measured and recognized as the largest amount of tax benefit that in the Company’s judgment is greater than 50 percent likely to be realized. A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows:

	2012			2011			2010
	(thousands of dollars)
Gross unrecognized tax benefits at beginning of fiscal year	$	20,005		$	18,994		$	16,928
Additions for tax positions of the current year		3,323			7,406			3,122
Additions for tax positions of prior years		261			668			470
Reductions for tax positions of prior years		(333	)		(164	)		(179	)
Settlements		(4,129	)		(3,895	)		—
Reductions due to lapse of applicable statue of limitations		(2,613	)		(3,004	)		(1,347	)
Gross unrecognized tax benefits at end of fiscal year	$	16,514		$	20,005		$	18,994

          The Company recognizes interest and penalties accrued related to unrecognized tax benefits in income tax expense. During the fiscal year ended July 31, 2012, the Company recognized interest expense, net of tax benefit, of approximately $0.3 million. At July 31, 2012 and July 31, 2011, accrued interest and penalties on a gross basis were $1.3 million and $1.5 million, respectively.

          The Company’s uncertain tax positions are affected by the tax years that are under audit or remain subject to examination by the relevant taxing authorities. The following tax years, in addition to the current year, remain subject to examination, at least for certain issues, by the major tax jurisdictions indicated:

Major Jurisdictions	Open Tax Years
Belgium	2010 through 2011
China	2002 through 2011
France	2009 through 2011
Germany	2009 through 2011
Italy	2003 through 2011
Japan	2009 through 2011
Mexico	2006 through 2011
Thailand	2005 through 2011
United Kingdom	2011
United States	2011

          If the Company were to prevail on all unrecognized tax benefits recorded, substantially all of the unrecognized tax benefits would benefit the effective tax rate. With an average statute of limitations of about 5 years, up to $2.1 million of the unrecognized tax benefits could potentially expire in the next 12 month period, unless extended by audit. It is possible that quicker than expected settlement of either current or future audits and disputes would cause additional reversals of previously recorded reserves in the next 12 month period. Currently, the Company has approximately $0.2 million of unrecognized tax benefits that are in formal dispute with various taxing authorities related to transfer pricing and deductibility of expenses. Quantification of an estimated range and timing of future audit settlements cannot be made at this time.

NOTE L Segment Reporting

          Consistent with FASB guidance related to segment reporting, the Company identified two reportable segments: Engine Products and Industrial Products. Segment selection was based on the internal organizational structure, management of operations, and performance evaluation by management and the Company’s Board of Directors.

          The Engine Products segment sells to OEMs in the construction, mining, agriculture, aerospace, defense, and truck markets and to independent distributors, OEM dealer networks, private label accounts, and large equipment fleets. Products include air filtration systems, exhaust and emissions systems, liquid filtration systems including hydraulics, fuel and lube, and replacement filters.

          The Industrial Products segment sells to various industrial end-users, OEMs of gas-fired turbines, and OEMs and end-users requiring clean air. Products include dust, fume, and mist collectors, compressed air purification systems, air filtration systems for gas turbines, PTFE membrane-based products, and specialized air and gas filtration systems for applications including computer hard disk drives, and other electronic equipment.

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          Corporate and Unallocated includes corporate expenses determined to be non-allocable to the segments, interest income, and interest expense. Assets included in Corporate and Unallocated principally are cash and cash equivalents, inventory reserves, certain prepaids, certain investments, other assets, and assets allocated to general corporate purposes.

          The Company has an internal measurement system to evaluate performance and allocate resources based on profit or loss from operations before income taxes. The Company’s manufacturing facilities serve both reporting segments. Therefore, the Company uses an allocation methodology to assign costs and assets to the segments. A certain amount of costs and assets relate to general corporate purposes and are not assigned to either segment. Certain accounting policies applied to the reportable segments differ from those described in the summary of significant accounting policies. The reportable segments account for receivables on a gross basis and account for inventory on a standard cost basis.

          Segment allocated assets are primarily accounts receivable, inventories, property, plant and equipment, and goodwill. Reconciling items included in Corporate and Unallocated are created based on accounting differences between segment reporting and the consolidated, external reporting as well as internal allocation methodologies.

          The Company is an integrated enterprise, characterized by substantial intersegment cooperation, cost allocations, and sharing of assets. Therefore, we do not represent that these segments, if operated independently, would report the operating profit and other financial information shown below.

          Segment detail is summarized as follows:

	Engine Products		Industrial Products		Corporate & Unallocated			Total Company
	(thousands of dollars)
2012
Net sales	$	1,570,140	$	923,108	$	—		$	2,493,248
Depreciation and amortization		36,646		18,852		5,667			61,165
Equity earnings in unconsolidated affiliates		3,966		769		—			4,735
Earnings before income taxes		227,941		149,249		(6,410	)		370,780
Assets		845,176		520,739		364,167			1,730,082
Equity investments in unconsolidated affiliates		17,304		2,822		—			20,126
Capital expenditures, net of acquired businesses		46,816		24,083		7,240			78,139
2011
Net sales	$	1,440,495	$	853,534	$	—		$	2,294,029
Depreciation and amortization		36,338		19,396		4,757			60,491
Equity earnings in unconsolidated affiliates		3,302		803		—			4,105
Earnings before income taxes		211,255		123,871		(22,863	)		312,263
Assets		888,080		519,730		318,283			1,726,093
Equity investments in unconsolidated affiliates		16,619		2,558		—			19,177
Capital expenditures, net of acquired businesses		36,423		19,442		4,768			60,633
2010
Net sales	$	1,126,007	$	751,057	$	—		$	1,877,064
Depreciation and amortization		33,433		20,935		4,864			59,232
Equity earnings in unconsolidated affiliates		1,859		160		—			2,019
Earnings before income taxes		155,833		91,084		(16,741	)		230,176
Assets		702,300		477,154		320,052			1,499,506
Equity investments in unconsolidated affiliates		14,860		625		—			15,485
Capital expenditures, net of acquired businesses		24,355		15,250		3,544			43,149

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          Following are net sales by product within the Engine Products segment and Industrial Products segment:

	2012		2011		2010
	(thousands of dollars)
Engine Products segment:
Off-Road Products	$	376,870	$	327,557	$	222,329
On-Road Products		163,934		127,107		81,874
Aftermarket Products*		907,306		861,393		691,899
Retrofit Emissions Products		15,354		19,555		17,928
Aerospace and Defense Products		106,676		104,883		111,977
Total Engine Products segment		1,570,140		1,440,495		1,126,007
Industrial Products segment:
Industrial Filtration Solutions Products		553,453		507,646		423,050
Gas Turbine Products		180,669		154,726		150,131
Special Applications Products		188,986		191,162		177,876
Total Industrial Products segment		923,108		853,534		751,057
Total Company	$	2,493,248	$	2,294,029	$	1,877,064

* Includes replacement part sales to the Company’s OEM Customers.

          Geographic sales by origination and property, plant and equipment:

	Net Sales		Property, Plant & Equipment - Net
	(thousands of dollars)
2012
United States	$	1,064,474	$	146,328
Europe		678,619		114,266
Asia - Pacific		572,163		80,200
Other		177,992		44,115
Total	$	2,493,248	$	384,909
2011
United States	$	941,218	$	141,584
Europe		653,275		131,739
Asia - Pacific		540,874		81,035
Other		158,662		37,144
Total	$	2,294,029	$	391,502
2010
United States	$	745,400	$	139,717
Europe		545,803		122,646
Asia - Pacific		460,470		72,950
Other		125,391		30,579
Total	$	1,877,064	$	365,892

          Concentrations There were no Customers over 10 percent of net sales during Fiscal 2012, 2011, and 2010. There was one Customer over 10 percent of gross accounts receivable in Fiscal 2012 and no customers over 10 percent of gross accounts receivable in Fiscal 2011.

NOTE M Guarantees

          The Company and Caterpillar Inc. equally own the shares of Advanced Filtration Systems Inc. (AFSI), an unconsolidated joint venture, and guarantee certain debt of the joint venture. As of July 31, 2012, the joint venture had

54

$21.7 million of outstanding debt, of which the Company guarantees half. In addition, during Fiscal 2012, 2011, and 2010, the Company recorded its equity in earnings of this equity method investment of $2.0 million, $1.6 million, and $0.4 million and royalty income of $6.2 million, $6.2 million, and $5.4 million, respectively, related to AFSI.

          At July 31, 2012 and 2011, the Company had a contingent liability for standby letters of credit totaling $10.9 million and $11.4 million, respectively, which have been issued and are outstanding. The letters of credit guarantee payment to third parties in the event the Company is in breach of a specified bond financing agreement and insurance contract terms as detailed in each letter of credit. At July 31, 2012 and 2011, there were no amounts drawn upon these letters of credit.

NOTE N Warranty

          The Company provides for warranties on certain products. In addition, the Company may incur specific Customer warranty issues. Following is a reconciliation of warranty reserves (in thousands of dollars):

Balance at July 31, 2010	$	15,707
Accruals for warranties issued during the reporting period		8,406
Accruals related to pre-existing warranties (including changes in estimates)		7,735
Less settlements made during the period		(12,128	)
Balance at July 31, 2011	$	19,720
Accruals for warranties issued during the reporting period		5,002
Accruals related to pre-existing warranties (including changes in estimates)		(2,956	)
Less settlements made during the period		(10,861	)
Balance at July 31, 2012	$	10,905

          During Fiscal 2011, the increase in warranty accruals was primarily due to three specific warranty matters: one in the Company’s Retrofit Emissions Product group for $3.6 million, one in the Company’s Off-Road Products group for $1.8 million, and one in the On-Road Product group for $4.1 million. These warranty accruals were partially offset by supplier and insurance recoveries of $4.2 million. These warranty matters are not expected to have a material impact on our results of operations, liquidity, or financial position. There were no significant specific warranty matters accrued for in Fiscal 2012. The settlements made during Fiscal 2012 were primarily in relation to the three above mentioned matters.

NOTE O Commitments and Contingencies

          Operating Leases The Company enters into operating leases primarily for office and warehouse facilities, production and non-production equipment, automobiles, and computer equipment. Total expense recorded under operating leases for the periods ended July 31, 2012 and 2011 were $26.8 million and $24.3 million, respectively. Future commitments under operating leases are: $11.8 million in Fiscal 2013, $7.7 million in Fiscal 2014, $4.1 million in Fiscal 2015, $1.7 million in Fiscal 2016, $0.8 million in Fiscal 2017, and $0.4 million thereafter.

          Litigation The Company records provisions with respect to identified claims or lawsuits when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. Claims and lawsuits are reviewed quarterly and provisions are taken or adjusted to reflect the status of a particular matter. The Company believes the recorded reserves in its consolidated financial statements are adequate in light of the probable and estimable outcomes. The recorded liabilities were not material to the Company’s financial position, results of operations, or liquidity and the Company does not believe that any of the currently identified claims or litigation will materially affect its financial position, results of operations, or liquidity.

          The Company has reached a preliminary agreement to settle the class action lawsuits filed in 2008 alleging that 12 filter manufacturers, including the Company, engaged in a conspiracy to fix prices, rig bids, and allocate U.S. Customers for aftermarket automotive filters. The U.S. cases have been consolidated into a single multi-district litigation in the Northern District of Illinois. The Company denies any liability and has vigorously defended the claims raised in these lawsuits. The settlement will fully resolve all claims brought against the Company in the lawsuits and the Company does not admit any liability or wrongdoing. The settlement is still subject to Court approval and will not have a material impact on the Company’s financial position, results of operations, or liquidity.

55

NOTE P Restructuring

          The following is a reconciliation of restructuring reserves (in thousands of dollars):

Balance at July 31, 2008	$	—
Accruals for restructuring during the reporting period		17,755
Less settlements made during the period		(13,915	)
Balance at July 31, 2009	$	3,840
Accruals for restructuring during the reporting period		8,023
Less settlements made during the period		(7,724	)
Balance at July 31, 2010	$	4,139
Accruals for restructuring during the reporting period		759
Less settlements made during the period		(4,898	)
Balance at July 31, 2011	$	—

          Certain restructuring actions commenced in Fiscal 2009 in response to the dramatic downturn in the worldwide economy and these actions and related costs carried over into Fiscal 2010 and Fiscal 2011. In Fiscal 2011, the Engine Products segment incurred minimal restructuring expenses and Industrial Products segment incurred $0.7 million in restructuring expenses. The restructuring expenses in Fiscal 2011 include employee severance costs for approximately five employees related to the completion of the Company’s planned restructuring activities. There was no restructuring activity during Fiscal 2012.

          The fiscal 2010 costs were employee severance costs related to the reduction in workforce of approximately 550 employees. In addition to these restructuring costs, the Company recorded $2.1 million in asset impairment costs related to the downsizing of a plant in Germany. Fiscal 2009 included $17.3 million in employee severance costs related to the reduction in workforce of approximately 2,800 employees. In addition, $0.5 million was incurred primarily for distribution center consolidation and production line transfers.

          Restructuring and asset impairment expense detail is summarized as follows (in thousands):

	Fiscal Year
	2012		2011		2010
Gross Margin	$	—	$	20	$	7,488
Operating expenses		—		739		2,677
Total restructuring and asset impairment expenses	$	—	$	759	$	10,165

56

NOTE Q Quarterly Financial Information (Unaudited)

	First Quarter			Second Quarter		Third Quarter		Fourth Quarter
	(In thousands)
2012
Net sales	$	608,295	$	580,883	$	647,237	$	656,833
Gross margin		214,934		200,817		228,229		229,783
Net earnings		68,553		53,821		70,946		70,981
Basic earnings per share		0.46		0.36		0.47		0.47
Diluted earnings per share		0.45		0.35		0.46		0.47
Dividends declared per share		0.075		0.080		0.090		0.090
Dividends paid per share		0.075		0.075		0.080		0.090
2011
Net sales	$	536,909	$	537,105	$	594,565	$	625,450
Gross margin		188,090		189,543		209,158		227,005
Net earnings		53,134		44,579		61,811		65,767
Basic earnings per share		0.34		0.29		0.40		0.43
Diluted earnings per share		0.34		0.28		0.39		0.42
Dividends declared per share		—		0.130		—		0.150
Dividends paid per share		0.063		0.065		0.065		0.075

          Note: the above table reflects the impact of the two-for-one stock split that occurred on March 23, 2012.

          The first quarter of Fiscal 2011 included restructuring charges after-tax of $0.6 million or $0.01 per share.

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

          None.

Item 9A. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

          As of the end of the period covered by this report (the “Evaluation Date”), the Company carried out an evaluation, under the supervision and with the participation of management, including the Chief Executive Officer and the Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) of the Exchange Act). Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that, as of the Evaluation Date, the Company’s disclosure controls and procedures were effective to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is (i) recorded, processed, summarized and reported within the time periods specified in applicable rules and forms, and (ii) accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding required disclosure.

Changes in Internal Control over Financial Reporting

          No change in the Company’s internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act) identified in connection with such evaluation during the fiscal quarter ended July 31, 2012, has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

Management’s Report on Internal Control over Financial Reporting

          See Management’s Report on Internal Control over Financial Reporting under Item 8 on page 27.

Report of Independent Registered Public Accounting Firm

          See Report of Independent Registered Public Accounting Firm under Item 8 on page 28.

57

Item 9B. Other Information

          None.

PART III

Item 10. Directors, Executive Officers and Corporate Governance

          The information under the captions “Item 1: Election of Directors”; “Director Selection Process,” “Audit Committee,” “Audit Committee Expertise; Complaint-Handling Procedures,” and “Section 16(a) Beneficial Ownership Reporting Compliance” of the 2012 Proxy Statement is incorporated herein by reference. Information on the Executive Officers of the Company is found under the caption “Executive Officers of the Registrant” on page 7 of this Annual Report on Form 10-K.

         The Company has adopted a code of business conduct and ethics in compliance with applicable rules of the Securities and Exchange Commission that applies to its principal executive officer, its principal financial officer and its principal accounting officer or controller, or persons performing similar functions. A copy of the code of business conduct and ethics is posted on the Company’s website at www.donaldson.com. The code of business conduct and ethics is available in print, free of charge to any shareholder who requests it. The Company will disclose any amendments to, or waivers of, the code of business conduct and ethics for the Company’s principal executive officer, principal financial officer, and principal accounting officer on the Company’s website.

Item 11. Executive Compensation

          The information under the captions “Executive Compensation” and “Director Compensation” of the 2012 Proxy Statement is incorporated herein by reference.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

          The information under the caption “Security Ownership” of the 2012 Proxy Statement is incorporated herein by reference.

58

          The following table sets forth information as of July 31, 2012 regarding the Company’s equity compensation plans:

Plan Category	Number of securities to be issued upon exercise of outstanding options, warrants and rights		Weighted - average exercise price of outstanding options, warrants and rights		Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a))
	(a)		(b)		(c)
Equity compensation plans approved by security holders:
1980 Master Stock Compensation Plan:
Stock Options		—		—		—
Deferred Stock Gain Plan		71,020	$	7.2621		—
1991 Master Stock Compensation Plan:
Stock Options		—		—
Deferred Stock Option Gain Plan		640,103	$	17.8227		—
Deferred LTC/Restricted Stock		245,687	$	11.7362		—
2001 Master Stock Incentive Plan:
Stock Options		5,321,679	$	17.3283		—
Deferred Stock Option Gain Plan		3,470	$	28.9411		—
Deferred LTC/Restricted Stock		293,942	$	16.8754		—
Long-Term Compensation		181,193	$	20.9766		—
2010 Master Stock Incentive Plan:
Stock Options		1,642,497	$	32.0838		See Note 1
Deferred LTC/Restricted Stock		—	$	—		—
Long-Term Compensation		35,096	$	28.0992		—
Subtotal for plans approved by security holders		8,434,687	$	20.1037
Equity compensation plans not approved by security holders:
Non-qualified Stock Option Program for Non - Employee Directors		1,092,151	$	21.9863		See Note 2
ESOP Restoration		43,258	$	6.7700		See Note 3
Subtotal for plans not approved by security holders		1,135,409		21.4066
Total		9,570,096		20.2583

          Note 1: The 2010 Master Stock Incentive Plan limits the number of shares authorized for issuance to 9,200,000 during the 10-year term of the plan in addition to any shares forfeited under the 2001 plan. The Plan allows for the granting of nonqualified stock options, incentive stock options, restricted stock, restricted stock units, stock appreciation rights (“SAR”), dividend equivalents, and other stock-based awards. There are currently 7,232,089 shares of the authorization remaining.

          Note 2: The stock option program for non-employee directors (filed as exhibit 10-H to Form 10-Q report filed for the first quarter ended October 31, 2008) provides for each non-employee director to receive annual option grants of 14,400 shares. The 2010 Master Stock Incentive Plan, which was approved by the Company’s stockholders on November 19, 2010 provides for the issuance of stock options to non-employee directors, and the stock option program for non-employee directors has been adopted as a sub-plan under the 2010 Master Stock Incentive Plan and shares issued to directors after December 10, 2010 will be issued under the 2010 Master Stock Incentive Plan.

          Note 3: The Company has a non-qualified ESOP Restoration Plan established on August 1, 1990 (filed as exhibit 10-D to the Company’s 2009 Form 10-K report), to supplement the benefits for executive employees under the Company’s Employee Stock Ownership Plan that would otherwise be reduced because of the compensation limitations under the Internal Revenue Code. The ESOP’s 10-year term was completed on July 31, 1997 and the only ongoing benefits under the ESOP Restoration Plan are the accrual of dividend equivalent rights to the participants in the Plan.

Item 13. Certain Relationships and Related Transactions, and Director Independence

          The information under the captions “Policy and Procedures Regarding Transactions with Related Persons” and “Board Oversight and Director Independence” of the 2012 Proxy Statement is incorporated herein by reference.

59

Item 14. Principal Accounting Fees and Services

          The information under the captions “Independent Auditor Fees” and “Audit Committee Pre-Approval Policies and Procedures” of the 2012 Proxy Statement is incorporated herein by reference.

PART IV

Item 15. Exhibits, Financial Statement Schedules

          Documents filed with this report:

(1)	Financial Statements
	Report of Independent Registered Public Accounting Firm
	Consolidated Statements of Earnings — years ended July 31, 2012, 2011 and 2010
	Consolidated Balance Sheets — July 31, 2012 and 2011
	Consolidated Statements of Cash Flows — years ended July 31, 2012, 2011 and 2010
	Consolidated Statements of Changes in Shareholders’ Equity — years ended July 31, 2012, 2011 and 2010
	Notes to Consolidated Financial Statements
(2)	Financial Statement Schedules —
	Schedule II Valuation and qualifying accounts
	All other schedules (Schedules I, III, IV and V) for which provision is made in the applicable accounting regulations of the Securities and Exchange Commission are not required under the related instruction, or are inapplicable, and therefore have been omitted.
(3)	Exhibits
	The exhibits listed in the accompanying index are filed as part of this report or incorporated by reference as indicated therein.

60

SIGNATURES

          Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	DONALDSON COMPANY, INC.
Date: September 28, 2012	By: /s/ William M. Cook
	William M. Cook
	Chief Executive Officer

          Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on September 28, 2012.

/s/ William M. Cook	President, Chief Executive Officer and Chairman
William M. Cook	(Principal Executive Officer)
/s/ James F. Shaw	Vice President and Chief Financial Officer
James F. Shaw	(Principal Financial Officer)
/s/ Melissa A. Osland	Controller
Melissa A. Osland	(Principal Accounting Officer)
*	Director
F. Guillaume Bastiaens
*	Director
Janet M. Dolan
*	Director
Jack W. Eugster
*	Director
John F. Grundhofer
*	Director
Michael J. Hoffman
*	Director
Paul David Miller
*	Director
Jeffrey Noddle
*	Director
Willard D. Oberton
*	Director
Ajita G. Rajendra
*	Director
John P. Wiehoff
*By: /s/ Norman C. Linnell
Norman C. Linnell
As attorney-in-fact

61

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

DONALDSON COMPANY, INC. AND SUBSIDIARIES
(thousands of dollars)

			Additions
Description	Balance at Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts (A)			Deductions (B)			Balance at End of Period
Year ended July 31, 2012:
Allowance for doubtful accounts deducted from accounts receivable	$	6,908	$	1,151	$	(676	)	$	(965	)	$	6,418
Year ended July 31, 2011:
Allowance for doubtful accounts deducted from accounts receivable	$	6,315	$	482	$	481		$	(370	)	$	6,908
Year ended July 31, 2010:
Allowance for doubtful accounts deducted from accounts receivable	$	7,387	$	1,063	$	(293	)	$	(1,842	)	$	6,315

Note A - Allowance for doubtful accounts foreign currency translation losses (gains) recorded directly to equity.

Note B - Bad debts charged to allowance, net of reserves and changes in estimates.

62

EXHIBIT INDEX
ANNUAL REPORT ON FORM 10-K

* 3-A	—	Restated Certificate of Incorporation of Registrant as currently in effect (Filed as Exhibit 3-A to Form 10-Q Report for the Second Quarter ended January 31, 2012)
*3-B	—	Certificate of Designation, Preferences and Rights of Series A Junior Participating Preferred Stock of Registrant, dated as of March 3, 2006 (Filed as Exhibit 3-B to 2011 Form 10-K Report)
* 3-C	—	Amended and Restated Bylaws of Registrant (as of January 30, 2009) (Filed as Exhibit 3-C to Form 10-Q Report for the Second Quarter ended January 31, 2009)
* 4	—	**
*4-A	—	Preferred Stock Amended and Restated Rights Agreement between Registrant and Wells Fargo Bank, N.A., as Rights Agent, dated as of January 27, 2006 (Filed as Exhibit 4-A to 2011 Form 10-K Report)
*10-A	—	Officer Annual Cash Incentive Plan (Filed as Exhibit 10-A to 2011 Form 10-K Report)***
*10-B	—	1980 Master Stock Compensation Plan as Amended (Filed as Exhibit 10-A to Form 10-Q Report filed for the first quarter ended October 31, 2008)***
*10-C	—	Form of Performance Award Agreement under 1991 Master Stock Compensation Plan (Filed as Exhibit 10-B to Form 10-Q Report filed for the first quarter ended October 31, 2008)***
*10-D	—	ESOP Restoration Plan (2003 Restatement) (Filed as Exhibit 10-D to 2009 Form 10-K Report)***
*10-E	—	Deferred Compensation Plan for Non-employee Directors as amended (Filed as Exhibit 10-C to Form 10-Q Report filed for the first quarter ended October 31, 2008)***
*10-F	—	Independent Director Retirement and Benefit Plan as amended (Filed as Exhibit 10-D to Form 10-Q Report filed for the first quarter ended October 31, 2008)***
*10-G	—	Supplemental Executive Retirement Plan (2008 Restatement) (Filed as Exhibit 10-G to 2011 Form 10-K Report)***
*10-H	—	1991 Master Stock Compensation Plan as amended (Filed as Exhibit 10-E to Form 10-Q Report filed for the first quarter ended October 31, 2008)***
*10-I	—	Form of Restricted Stock Award under 1991 Master Stock Compensation Plan (Filed as Exhibit 10-F to Form 10-Q Report filed for the first quarter ended October 31, 2008)***
*10-J	—	Form of Agreement to Defer Compensation for certain Executive Officers (Filed as Exhibit 10-G to Form 10-Q Report filed for the first quarter ended October 31, 2008)***
*10-K	—	Stock Option Program for Non-employee Directors (Filed as Exhibit 10-H to Form 10-Q Report filed for the first quarter ended October 31, 2008)***
*10-L	—	Note Purchase Agreement among Donaldson Company, Inc. and certain listed Insurance Companies Dated as of July 15, 1998 (Filed as Exhibit 10-I to Form 10-Q Report filed for the first quarter ended October 31, 2008)
*10-M	—	Second Supplement and First Amendment to Note Purchase Agreement among Donaldson Company, Inc. and certain listed Insurance Companies dated as of September 30, 2004 (Filed as Exhibit 10-N to 2010 Form 10-K Report)
*10-N	—	2001 Master Stock Incentive Plan (Filed as Exhibit 10-O to 2009 Form 10-K Report)***
*10-O	—	Form of Officer Stock Option Award Agreement under the 2001 Master Stock Incentive Plan (Filed as Exhibit 10-P to 2010 Form 10-K Report)***
*10-P	—	Form of Non-Employee Director Non-Qualified Stock Option Agreement under the 2001 Master Stock Incentive Plan (Filed as Exhibit 10-Q to 2010 Form 10-K Report)***
*10-Q	—	Restated Compensation Plan for Non-Employee Directors dated July 28, 2006 (Filed as Exhibit 10-Q to 2011 Form 10-K Report)***
*10-R	—	Restated Long-Term Compensation Plan dated May 23, 2006 (Filed as Exhibit 10-R to 2011 Form 10-K Report)***
*10-S	—	Qualified Performance-Based Compensation Plan (Filed as Exhibit 10-S to 2011 Form 10-K Report)***
*10-T	—	Deferred Compensation and 401(k) Excess Plan (2008 Restatement) (Filed as Exhibit 10-T to 2011 form 10-K Report)***
*10-U	—	Deferred Stock Option Gain Plan (2008 Restatement) (Filed as Exhibit 10-U to 2011 Form 10-K Report) ***
*10-V	—	Excess Pension Plan (2008 Restatement) (Filed as Exhibit 10-V to 2011 Form 10-K Report) ***
*10-W	—	Form of Management Severance Agreement for Executive Officers (Filed as Exhibit 10-A to Form 10-Q Report for the Third Quarter ended April 30, 2008)***
*10-X	—	2010 Master Stock Incentive Plan (Filed as Exhibit 4.5 to Registration Statement on Form S-* (File No. 333-170729) filed on November 19, 2010)***

63

*10-Y	—	Form of Officer Stock Option Award Agreement under the 2010 Master Stock Incentive Plan (Filed as Exhibit 10.1 to Form 8-K Report filed on December 16, 2010) ***
*10-Z	—	Form of Restricted Stock Award Agreement under the 2010 Master Stock Incentive Plan (Filed as Exhibit 10.2 to Form 8-K Report filed on December 16, 2010) ***
*10-AA	—	Non-Employee Director Automatic Stock Option Grant Program (Filed as Exhibit 10-AA to 2011 Form 10-K Report)***
*10-BB	—	Form of Indemnification Agreement for Directors (Filed as Exhibit 10.1 to Form 8-K Report filed on April 2, 2012)***
10-CC	—	Form of Non-Employee Director Non-Qualified Stock Option Agreement under the 2010 Master Stock Incentive Plan***
11	—	Computation of net earnings per share (See “Earnings Per Share” in “Summary of Significant Accounting Policies” in Note A in the Notes to Consolidated Financial Statements on page 33)
21	—	Subsidiaries
23	—	Consent of PricewaterhouseCoopers LLP
24	—	Powers of Attorney
31-A	—	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31-B	—	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32	—	Certifications of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101	—	The following financial information from the Donaldson Company, Inc. Annual Report on Form 10-K for the fiscal year ended July 31, 2012 as filed with the Securities and Exchange Commission, formatted in Extensible Business Reporting Language (XBRL): (i) the Consolidated Statements of Earnings, (ii) the Consolidated Balance Sheets, (iii) the Consolidated Statements of Cash Flows (iv) the Consolidated Statement of Changes in Shareholders’ Equity and (v) the Notes to Consolidated Financial Statements.

*	Exhibit has previously been filed with the Securities and Exchange Commission and is incorporated herein by reference as an exhibit.
**	Pursuant to the provisions of Regulation S-K Item 601(b)(4)(iii)(A) copies of instruments defining the rights of holders of certain long-term debts of the Company and its subsidiaries are not filed and in lieu thereof the Company agrees to furnish a copy thereof to the Securities and Exchange Commission upon request.
***	Denotes compensatory plan or management contract.

Note: Exhibits have been furnished only to the Securities and Exchange Commission. Copies will be furnished to individuals upon request.

64

EX-10.CC

Exhibit 10-CC

NON-EMPLOYEE DIRECTOR

NON-QUALIFIED STOCK OPTION AGREEMENT

OPTION AGREEMENT made this ___ day of ____, ____, by and between Donaldson Company, Inc., a Delaware corporation (hereinafter, together with its subsidiaries, called “Donaldson”), and _______________, a non-employee Director of Donaldson (hereinafter called “Participant”).

In consideration of the mutual covenants hereinafter set forth and for other good and valuable consideration, the parties agree as follows:

1.        Donaldson irrevocably grants to the Participant the right and option to purchase all or any part of an aggregate of _____ shares of Common Stock, par value of $5.00 per share, of Donaldson. This option is granted pursuant to the Donaldson Company Non-Qualified Stock Option Program for Non-Employee Directors (the “Plan”). The Participant acknowledges receipt of a copy of the Plan.

2.        The purchase price of the shares of Common Stock subject to this option is ____ per share. The date of grant is ________.

3.        The term of this option is for the period of ten years from and after the date of grant, or such shorter period as may be provided by the provisions of the Plan.

4.        This option shall not be transferable otherwise than by will or the laws of descent and distribution and may be exercised during the lifetime of the Participant only by the Participant; provided, however, that notwithstanding the above, this option shall be transferable by Participant to family members and related estate planning entities.

5.        Each Annual Option Grant may be exercised by the Eligible Director under the following schedule except as otherwise provided in this Agreement. The Option may not be exercised for a period of one (1) year from the date of grant. Following that one-year period, the Option vests in equal one-third increments:

- one-third of the shares vest on the one-year anniversary date from the date of grant;

- one-third of the shares vest on the two-year anniversary date from the date of grant;

- one-third of the shares vest on the three-year anniversary date from the date of grant.

The Option may be exercised as to any or all of the shares that are vested. An unvested portion of the Option shall only vest so long as:

(1) the Eligible Director remains a Director of the Company on the date that the applicable shares vest,

(2) the Eligible Director retires or resigns from service as a Director of the Company in accordance with the age and term limits of the Corporate Governance Guidelines of the Company, or

(3) the Eligible Director’s service as a Director of the Company is terminated for any other reason and a majority of the members of the Board of Directors other than the Eligible Director consent to the continued vesting of such portion of the Option in accordance with the original vesting schedule.

The vesting of the Option also is subject to acceleration in the event of a Change in Control of Donaldson as defined in the Non-Employee Director Non-Qualified Stock Option Agreement.

6.        The Participant may exercise this option in whole or in part at any time during the term as specified above but not after ten years from the date of grant; provided, that if the Participant dies, this option may be exercised within three years after death, but not after ten years from the date granted, by the Participant's estate or by the person or persons who acquire the right to exercise this option by bequest, inheritance or otherwise by reason of such death. Donaldson and the Participant recognize that this Agreement in no way restricts the right of Donaldson to terminate the Participant's membership consistent with applicable Delaware laws.

7.        Subject to the terms and conditions of this Agreement, the Option may be exercised only within the Option period by serving written notice of exercise on Donaldson at its principal office which is as of this date located at 1400 W. 94^th Street, Bloomington, Minnesota, Attention: Assistant Treasurer or Treasurer, or such other forms of written or electronic notice as are designated by the Company. The notice must state the number of shares being exercised and include payment in full of the purchase price. Payment of the purchase price shall be made in cash or, with the approval of Donaldson (which may be given in its sole discretion), in Common Stock of Donaldson having a fair market value equal to the full purchase price of the shares being acquired or a combination of cash and such shares. For these purposes, the fair market value of Donaldson’s Common Stock as of any date shall be as reasonably determined by Donaldson.

8.        In the event of a Change in Control of Donaldson (as defined below), any outstanding options granted under this Agreement not previously vested and exercisable shall become fully vested and exercisable and shall remain exercisable thereafter until they are either exercised or expire by their terms. The term “Change in Control” shall have the following meaning assigned to it in this Agreement. A “Change in Control” of Donaldson shall have occurred if (i) any “person” as such term is used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) (other than Donaldson, any trustee or other fiduciary holding securities under an employee benefit plan of Donaldson or any corporation owned, directly or indirectly, by the shareholders of Donaldson in substantially the same proportions as their ownership of stock of Donaldson), either is or becomes the “beneficial owner” (as defined in Rule 13d-3 under the Exchange Act), directly or indirectly, of securities of Donaldson representing 30% or more of the combined voting power of Donaldson's then outstanding securities, (ii) during any period of two consecutive years (not including any period prior to the effective date of this Master Plan), individuals who at the beginning of such period constitute the Board of Directors of Donaldson (the “Board”), and any new director (other than a director designated by a person who has entered into an agreement with Donaldson to effect a transaction described in clause (i), (iii) or (iv) of this subparagraph) whose election by the Board or nomination for election by Donaldson's shareholders was approved by a vote of at least two-thirds (2/3) of the directors then still in office who either were directors at the beginning of the period or whose election or nomination for election was previously so approved, cease for any reason to constitute at least a majority thereof, unless the approval of the election or nomination for election of such new directors was in connection with an actual or threatened election or proxy contest, (iii) the shareholders of Donaldson approve a merger or consolidation of Donaldson with any other corporation, other than (A) a merger or consolidation which would result in the voting securities of Donaldson outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity) more than 80% of the combined voting power of the voting securities of Donaldson or such surviving entity outstanding immediately after such merger or consolidation or (B) a merger or consolidation effected to implement a recapitalization of Donaldson (or similar transaction) in which no “person” (as hereinabove defined) acquires more than 30% of the combined voting power of Donaldson’s then outstanding securities or (iv) the shareholders of Donaldson approve a plan of complete liquidation of Donaldson or an agreement for the sale or disposition by Donaldson of all or substantially all of Donaldson's assets or any transaction having a similar effect.

9.        If all or any portion of the option is exercised subsequent to any stock dividend or split, recapitalization, consolidation, or the like, occurring after the date hereof, as a result of which securities of any class shall be issued in respect of outstanding shares of Common Stock, or shares of Common Stock shall be changed into the same or a different number of shares or other securities of the same or other class or classes, then the Board of Directors shall determine if any equitable adjustment is necessary to protect the Participant against dilution and shall determine the terms of such adjustment, if any. In the case of any stock dividend or split effected after the date hereof, the number of shares to be granted hereunder shall be automatically adjusted to prevent dilution of the potential benefits intended to be made available hereunder.

IN WITNESS WHEREOF, Donaldson and the Participant have duly executed this Agreement as of the day and year first above written.

DONALDSON COMPANY, INC.		PARTICIPANT
By:
	Name	Name
Its:

EX-21

Exhibit 21

Wholly Owned Subsidiaries and Joint Ventures
Wholly Owned Subsidiaries
Donaldson Australasia Pty. Ltd.	Ultrafilter s.a.s.
Wyong, Australia	Vigny, France
Donaldson Filtration Österreich, GmbH	Donaldson Filtration Deutschland GmbH
Vienna, Austria	Haan, Germany
Donaldson Europe, b.v.b.a.	Ultratroc GmbH
Donaldson Belgie, b.v.b.a.	Flensburg, Germany
Leuven, Belgium	Donaldson Filtration Magyarorszag Kft.
Donaldson do Brasil Equipamentos Industriais Ltda	Budapest, Hungary
Atibaia, São Paulo, Brazil	Donaldson India Filter Systems Pvt. Ltd.
Donaldson Canada, Inc.	New Delhi, India
Brockville, Ontario, Canada	P.T. Donaldson Filtration Indonesia
Donaldson Chile, Ltd.	Jakarta, Indonesia
Santiago, Chile	Donaldson Italia s.r.l.
Donaldson Far East Ltd.	Ostiglia, Italy
Hong Kong, S.A.R., China	Nippon Donaldson Ltd.
Donaldson (Wuxi) Filters Co., Ltd.	Tachikawa, Tokyo, Japan
Wuxi, China	DLX Capital S.a.r.l.
Donaldson (Xuzhou) Filters Co. Ltd.	Donaldson Overseas Holding S.a.r.l.
Xuzhou, China	Donaldson Luxembourg S.a.r.l
Donaldson Czech Republic s.r.o.	Luxembourg City, Luxembourg
Klasterec nad Ohri, Czech Republic	Donaldson Filtration (Malaysia) Sdn. Bhd.
Donaldson Industrial CR - Konzern s.r.o.	Selangor Darul Ehsan, Malaysia
Kadan, Czech Republic	Donaldson, S.A. de C.V.
Donaldson Filtration CR - Konzern s.r.o.	Prestadora de Servicios Aguascalientes, S. de R.L. de C.V.
Prague, Czech Republic	Aguascalientes, Mexico
Donaldson Scandinavia a.p.s.	Donaldson Nederland B.V.
Hørsholm, Denmark	Almere, Netherlands
Donaldson, s.a.s.	Donaldson Filtration Norway a.s.
Domjean, France	Moss, Norway
Donaldson France, s.a.s.	Donaldson Filtration (Philippines) Inc.
Le Bozec Filtration et Systèmes, s.a.s.	Muntinlupa, Philippines
Paris, France

65

Donaldson Polska Sp. z.o.o.	Donaldson Filtration (Thailand) Ltd.
Warsaw, Poland	Nonthaburi, Thailand
Donaldson Filtration (Asia Pacific) Pte. Ltd.	Donaldson (Thailand) Ltd.
Changi, Singapore	Rayong, Thailand
Donaldson Filtration Slovensko s.r.o.	Donaldson Filtre Sistemleri
Bratislava, Slovakia	Ticaret Limited Sirketi
Donaldson Filtration Systems (Pty) Ltd.	Istanbul, Turkey
Cape Town, South Africa	Donaldson Filter Components Ltd.
Donaldson Korea Co., Ltd.	Donaldson UK Holding Ltd.
Seoul, South Korea	Hull, United Kingdom
Donaldson Ibèrica Soluciones	Donaldson Filtration (GB) Ltd.
en Filtración, S.L.	Leicester, United Kingdom
Barcelona, Spain
Donaldson Schweiz GmbH	Donaldson Capital, Inc.
Zurich, Switzerland	ASHC, Inc.
Donaldson Taiwan Ltd.	Minneapolis, MN USA
Taipei, Taiwan	Aerospace Filtration Systems, Inc.
	Chesterfield, MO USA
Joint Ventures
Advanced Filtration Systems Inc.
Advanced Filtration Services, Inc.
Champaign, Illinois
AFSI Europe s.r.o.
Most, Czech Republic
Ultrafilter (India) Pvt. Ltd.
Bangalore, India
P.T. Panata Jaya Mandiri
Jakarta, Indonesia
Rashed Al-Rashed & Sons - Donaldson Company Ltd.
Dammam, Saudi Arabia

66

EX-23

Exhibit 23

Consent of Independent Registered Public Accounting Firm

           We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-170729, 333-107444, 333-97771, 333-56027, 33-27086, 2-90488 and 33-44624) of Donaldson Company, Inc. of our report dated September 28, 2012 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Annual Report on Form 10-K.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Minneapolis, Minnesota
September 28, 2012

67

EX-24

Exhibit 24

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:   September 28, 2012

/s/ F. Guillaume Bastiaens

Signature

F. Guillaume Bastiaens

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ Janet M. Dolan

Signature

Janet M. Dolan

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ Jack W. Eugster

Signature

Jack W. Eugster

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ John F. Grundhofer

Signature

John F. Grundhofer

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ Michael J. Hoffman

Signature

Michael J. Hoffman

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ Paul David Miller

Signature

Paul David Miller

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ Jeffrey Noddle

Signature

Jeffrey Noddle

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ Willard D. Oberton

Signature

Willard D. Oberton

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ Ajita G. Rajendra

Signature

Ajita G. Rajendra

Print Name

POWER OF ATTORNEY

The undersigned does hereby constitute and appoint William M. Cook, Norman C. Linnell, or Amy C. Becker the undersigned’s attorneys-in-fact and agents for the purpose of signing in the undersigned’s name and on the undersigned’s behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report for Fiscal Year 2012, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc., and any and all amendments thereto, and to deliver on the undersigned’s behalf said report so signed for filing with the Securities and Exchange Commission.

Dated:  September 28, 2012

/s/ John P. Wiehoff

Signature

John P. Wiehoff

Print Name

EX-31.A

Exhibit 31-A

Certification of Chief Executive Officer
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, William M. Cook, certify that:

1.	I have reviewed this annual report on Form 10-K of Donaldson Company, Inc.;
2.	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.	Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.	The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
	a)	Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
	b)	Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
	c)	Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
	d)	Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5.	The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):
	a)	All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
	b)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	September 28, 2012	/s/ William M. Cook
		William M. Cook
		Chief Executive Officer

68

EX-31.B

Exhibit 31-B

Certification of Chief Financial Officer
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, James F. Shaw, certify that:

1.	I have reviewed this annual report on Form 10-K of Donaldson Company, Inc.;
2.	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.	Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.	The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
	a)	Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
	b)	Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
	c)	Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
	d)	Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5.	The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):
	a)	All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
	b)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	September 28, 2012	/s/ James F. Shaw
		James F. Shaw
		Chief Financial Officer

69

EX-32

Exhibit 32

Pursuant to 18 U.S.C. Section 1350, as created by Section 906 of the Sarbanes–Oxley Act of 2002, the following certifications are being made to accompany the annual report on Form 10-K for the fiscal year ended July 31, 2012 for Donaldson Company, Inc.:

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, William M. Cook, Chief Executive Officer of Donaldson Company, Inc., certify that:

1.	The Annual Report on Form 10-K of Donaldson Company, Inc. for the fiscal year ended July 31, 2012 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2.	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Donaldson Company, Inc.

Date:	September 28, 2012	/s/ William M. Cook
		William M. Cook
		Chief Executive Officer

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, James F. Shaw, Chief Financial Officer of Donaldson Company, Inc., certify that:

1.	The Annual Report on Form 10-K of Donaldson Company, Inc. for the fiscal year ended July 31, 2012 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2.	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Donaldson Company, Inc.

Date:	September 28, 2012	/s/ James F. Shaw
		James F. Shaw
		Chief Financial Officer

70

XML

Quarterly Financial Information (Tables)

12 Months Ended

Jul. 31, 2012

Quarterly Financial Information [Abstract]

Quarterly Financial Information

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In thousands)
2012
Net sales	$	608,295	$	580,883	$	647,237	$	656,833
Gross margin		214,934		200,817		228,229		229,783
Net earnings		68,553		53,821		70,946		70,981
Basic earnings per share		0.46		0.36		0.47		0.47
Diluted earnings per share		0.45		0.35		0.46		0.47
Dividends declared per share		0.075		0.080		0.090		0.090
Dividends paid per share		0.075		0.075		0.080		0.090
2011
Net sales	$	536,909	$	537,105	$	594,565	$	625,450
Gross margin		188,090		189,543		209,158		227,005
Net earnings		53,134		44,579		61,811		65,767
Basic earnings per share		0.34		0.29		0.40		0.43
Diluted earnings per share		0.34		0.28		0.39		0.42
Dividends declared per share		—		0.130		—		0.150
Dividends paid per share		0.063		0.065		0.065		0.075

XML

Financial Instruments (Impact On Accumulated Other Comprehensive Income (Loss) And Earnings From Foreign Exchange Contracts That Qualified As Cash Flow Hedges) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Financial Instruments [Abstract]
Net carrying amount at beginning of year	$ 241	$ (660)
Cash flow hedges deferred in OCI	2,229	(782)
Cash flow hedges reclassified to income (effective portion)	(2,960)	1,963
Change in deferred taxes	117	(280)
Net carrying amount at July 31	$ (373)	$ 241

XML

Goodwill And Other Intangible Assets (Reconciliation Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Goodwill And Other Intangible Assets [Abstract]
Beginning balance, Gross Carrying Amount	$ 85,439	$ 83,487
Beginning balance, Accumulated Amortization	(31,943)	(25,195)
Beginning balance, Net Intangible Assets	53,496	58,292
Amortization expense, Accumulated Amortization	(5,778)	(5,917)
Amortization expense, Net Intangible Assets	(5,778)	(5,917)
Foreign exchange translation, Gross Carrying Value	(3,834)	1,952
Foreign exchange translation, Accumulated Amortization	2,316	(831)
Foreign exchange translation, Net Intangible Assets	(1,518)	1,121
Intangibles retired, Gross Carrying Amount	(1,530)
Intangibles retired, Accumulated Amortization	1,530
Ending balance, Gross Carrying Amount	80,075	85,439
Ending balance, Accumulated Amortization	(33,875)	(31,943)
Ending balance, Net Intangible Assets	$ 46,200	$ 53,496

XML

Stock Option Plans (Narrative) (Details) (USD $)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance, years	3 years
Performance award expense	$ (10,000)
Pretax compensation expense associated with stock options	7,800,000	6,500,000	6,900,000
Tax benefit associated with stock options	2,500,000	2,100,000	2,400,000
Weighted average fair value for options granted, per share	$ 9.37	$ 8.63	$ 6.62
Intrinsic value of options exercised	29,500,000	34,200,000	19,500,000
Shares reserved	15,288,416
Aggregate intrinsic value of options outstanding	116,700,000
Aggregate intrinsic value of shares exercisable	109,400,000
Total fair value of shares vested	19,500,000	10,500,000	8,000,000
Unrecognized compensation cost related to non-vested stock options granted	8,100,000
2010 Master Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance award expense	$ 1,900,000	$ 1,800,000
Shares reserved	9,200,000
2010 Master Stock Incentive Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercisable from date of the grant, in years	10 years
Fiscal 2002 To Fiscal 2012 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	3 years
Fiscal 2012 And Fiscal 2011 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	3 years
Fiscal 2004, 2006, And 2007 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period, years	3 years

XML

Fair Values (Narrative) (Details) (USD $)	Jul. 31, 2012	Jul. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying value of long-term debt fixed interest rate	$ 205,829,000	$ 253,619,000
Aggregate carrying amoung	20,100,000	19,200,000
Fixed Interest Rate [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Estimated fair value of long-term debt with fixed interest rates	223,500,000
Carrying value of long-term debt fixed interest rate	$ 201,100,000

XML

Income Taxes (Schedule Of Reconciliation Of U.S. Statutory Income Tax Rate With Effective Income Tax Rate) (Details)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Income Taxes [Abstract]
Statutory U.S. federal rate	35.00%	35.00%	35.00%
State income taxes	1.20%	1.00%	0.80%
Foreign taxes at lower rates	(6.00%)	(6.60%)	(8.20%)
Export, manufacturing and research credits	(1.00%)	(1.60%)	(0.90%)
U.S. tax on repatriation of earnings	0.80%	(0.30%)	0.10%
Change in unrecognized tax benefits	(1.00%)	0.10%	1.20%
Other	(0.30%)	0.30%	(0.20%)
Reconciliation of U.S. statutory income tax rate, total	28.70%	27.90%	27.80%

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Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)	12 Months Ended		12 Months Ended		12 Months Ended
	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2012 Customer Related Intangible Assets [Member]	Jul. 31, 2011 Customer Related Intangible Assets [Member]	Jul. 31, 2012 Patents, Trademarks And Tradenames [Member]	Jul. 31, 2011 Patents, Trademarks And Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Dispositions of goodwill and other intangible assets	$ 3,600,000
Gain on dispositions of goodwill and other intangible assets	400,000
Net intangible assets	$ 53,496,000	$ 46,200,000	$ 30,100,000	$ 33,500,000	$ 16,100,000	$ 20,000,000
Weighted average life			12 years 8 months 1 day		9 years 9 months 4 days

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Shareholders' Equity (Tables)

12 Months Ended

Jul. 31, 2012

Shareholders' Equity [Abstract]

Schedule Of Treasury Stock

	2012			2011
Balance at beginning of year		13,245,864			12,222,381
Stock repurchases		4,503,587			1,956,648
Net issuance upon exercise of stock options		(1,270,526	)		(862,981	)
Issuance under compensation plans		(89,528	)		(62,304	)
Stock split and other activity		(12,408,565	)		(7,880	)
Balance at end of year		3,980,832			13,245,864

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Income Taxes (Schedule Of Temporary Differences That Give Rise To Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Income Taxes [Abstract]
Accrued expenses	$ 10,666	$ 12,243
Compensation and retirement plans	52,986	33,298
Tax credit and NOL carryforwards	723	1,173
Inventory reserves	7,482	9,545
Other	3,262	3,311
Deferred tax assets:	75,119	59,570
Valuation allowance	(522)	(692)
Net deferred tax assets	74,597	58,878
Depreciation and amortization	(38,796)	(37,112)
Other	(394)	(1,119)
Deferred tax liabilities	(39,190)	(38,231)
Net deferred tax asset	$ 35,407	$ 20,647

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Stock Option Plans (Outstanding And Exercisable Options) (Details) (USD $)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number Outstanding	8,056,327	8,387,994	9,543,624	9,996,250
Weighted Average Remaining Contractual Life (Years)	5 years 2 months 12 days
Weighted Average Exercise Price	$ 20.97
Number Exercisable	6,250,930
Weighted Average Exercise Price	$ 17.95
Range Of Exercise Prices $8.89 To $12.89 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range	$ 8.89
Range of Exercise Prices, upper range	$ 12.89
Number Outstanding	559,800
Weighted Average Remaining Contractual Life (Years)	9 months
Weighted Average Exercise Price	$ 9.99
Number Exercisable	559,800
Weighted Average Exercise Price	$ 9.99
Range Of Exercise Prices $12.90 To $16.89 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range	$ 12.90
Range of Exercise Prices, upper range	$ 16.89
Number Outstanding	2,430,944
Weighted Average Remaining Contractual Life (Years)	2 years 4 months 2 days
Weighted Average Exercise Price	$ 15.53
Number Exercisable	2,430,944
Weighted Average Exercise Price	$ 15.53
Range Of Exercise Prices $16.90 To $20.89 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range	$ 16.90
Range of Exercise Prices, upper range	$ 20.89
Number Outstanding	1,476,801
Weighted Average Remaining Contractual Life (Years)	5 years 3 months 26 days
Weighted Average Exercise Price	$ 17.84
Number Exercisable	1,465,291
Weighted Average Exercise Price	$ 17.85
Range Of Exercise Prices $20.90 To $24.89 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range	$ 20.90
Range of Exercise Prices, upper range	$ 24.89
Number Outstanding	1,541,740
Weighted Average Remaining Contractual Life (Years)	6 years 8 months 1 day
Weighted Average Exercise Price	$ 21.78
Number Exercisable	1,371,437
Weighted Average Exercise Price	$ 21.86
Range Of Exercise Prices $ 24.90 And Above [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise Prices, lower range	$ 24.90
Number Outstanding	2,047,042
Weighted Average Remaining Contractual Life (Years)	8 years 7 months 10 days
Weighted Average Exercise Price	$ 32.08
Number Exercisable	423,458
Weighted Average Exercise Price	$ 30.07

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Commitments And Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 31, 2012 defendant	Jul. 31, 2011
Commitments And Contingencies [Abstract]
Number of defendants	12
Total expense	$ 26.8	$ 24.3
2013	11.8
2014	7.7
2015	4.1
2016	1.7
2017	0.8
Thereafter	$ 0.4

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Fair Values (Fair Value Of Financial Assets And Liabilities) (Details) (Significant Other Observable Inputs (Level 2) [Member], USD $) In Thousands, unless otherwise specified	Jul. 31, 2012		Jul. 31, 2011
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Forward exchange contracts - net liability position	$ (898)	[1]	$ (525)	[1]

[1] Inputs to the valuation methodology of level 2 assets include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

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Income Taxes (Components Of Earnings Before Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Income Taxes [Abstract]
United States	$ 171,101	$ 117,562	$ 85,987
Foreign	199,679	194,701	144,189
Earnings before income taxes	$ 370,780	$ 312,263	$ 230,176

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Guarantees (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Guarantor Obligations [Line Items]
Outstanding debt of joint venture	$ 21.7
Joint venture investment earnings	2.0	1.6	0.4
Contingent liability for standby letters of credit, issued and outstanding	10.9	11.4
Advanced Filtration Systems, Inc. [Member]
Guarantor Obligations [Line Items]
Royalty income	$ 6.2	$ 6.2	$ 5.4

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Income Taxes (Schedule Of Tax Years Affecting Uncertain Tax Positions By Major Tax Jurisdictions) (Details)	12 Months Ended
	Jul. 31, 2012
Belgium [Member]
Income Tax Examination [Line Items]
Open Tax Years	2010 through 2011
China [Member]
Income Tax Examination [Line Items]
Open Tax Years	2002 through 2011
France [Member]
Income Tax Examination [Line Items]
Open Tax Years	2009 through 2011
Germany [Member]
Income Tax Examination [Line Items]
Open Tax Years	2009 through 2011
Italy [Member]
Income Tax Examination [Line Items]
Open Tax Years	2003 through 2011
Japan [Member]
Income Tax Examination [Line Items]
Open Tax Years	2009 through 2011
Mexico [Member]
Income Tax Examination [Line Items]
Open Tax Years	2006 through 2011
Thailand [Member]
Income Tax Examination [Line Items]
Open Tax Years	2005 through 2011
United Kingdom [Member]
Income Tax Examination [Line Items]
Open Tax Years	2011
United States [Member]
Income Tax Examination [Line Items]
Open Tax Years	2011

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Warranty (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 31, 2011
Product Warranty [Line Items]
Supplier recoveries	$ 4.2
Retrofit Emissions Products [Member]
Product Warranty [Line Items]
Expense incurred on increased warranty accruals	3.6
Off-Road Products [Member]
Product Warranty [Line Items]
Expense incurred on increased warranty accruals	1.8
On-Road Products [Member]
Product Warranty [Line Items]
Expense incurred on increased warranty accruals	$ 4.1

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Income Taxes (Components Of The Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Income Taxes [Abstract]
Federal, Current	$ 45,468	$ 26,675	$ 25,455
State, Current	4,012	3,555	2,206
Foreign, Current	50,655	54,785	33,327
Income taxes, Current	100,135	85,015	60,988
Federal, Deferred	7,391	8,556	3,860
State, Deferred	722	191	20
Foreign, Deferred	(1,769)	(6,790)	(855)
Income taxes, Deferred	6,344	1,957	3,025
Total	$ 106,479	$ 86,972	$ 64,013

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Stock Option Plans (Weighted Average Assumptions For Recognized Fair Value Of Stock-Based Employee Compensation Cost) (Details)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate, minimum	0.11%	0.12%	0.01%
Risk-free interest rate, maximum	1.80%	3.10%	3.90%
Expected volatility, minimum	25.80%	25.50%	24.40%
Expected volatility, maximum	31.90%	34.70%	32.30%
Expected dividend yield	1.00%	1.00%	1.00%
Director Original Grants Without Reloads [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)	8 years	8 years	8 years
Non - Officer Original Grants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)	7 years	8 years
Non - Officer Original Grants [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)			8 years
Non - Officer Original Grants [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)			7 years
Officer Original Grants With Reloads [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)			4 years
Reload Grants [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)	8 years	8 years	8 years
Officer Original Grants Without Reloads [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life (in years)	8 years	8 years	8 years

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Valuation And Qualifying Accounts

12 Months Ended

Jul. 31, 2012

Valuation And Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

DONALDSON COMPANY, INC. AND SUBSIDIARIES

(thousands of dollars)

			Additions
Description	Balance at Beginning of Period		Charged to Costs and Expenses		Charged to Other Accounts (A)			Deductions (B)			Balance at End of Period
Year ended July 31, 2012:
Allowance for doubtful accounts deducted from accounts receivable	$	6,908	$	1,151	$	(676	)	$	(965	)	$	6,418
Year ended July 31, 2011:
Allowance for doubtful accounts deducted from accounts receivable	$	6,315	$	482	$	481		$	(370	)	$	6,908
Year ended July 31, 2010:
Allowance for doubtful accounts deducted from accounts receivable	$	7,387	$	1,063	$	(293	)	$	(1,842	)	$	6,315

Note A - Allowance for doubtful accounts foreign currency translation losses (gains) recorded directly to equity.

Note B - Bad debts charged to allowance, net of reserves and changes in estimates.

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Credit Facilities (Details) In Millions, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2012 Multi-Currency Revolving Facility [Member] USD ($)	Jul. 31, 2011 Multi-Currency Revolving Facility [Member] USD ($)	Jul. 31, 2010 Multi-Currency Revolving Facility [Member]	Jul. 31, 2012 Uncommitted Credit Facilities [Member] USD ($)	Jul. 31, 2011 Uncommitted Credit Facilities [Member] USD ($)	Jul. 31, 2012 Treasury Notes [Member] USD ($)	Jul. 31, 2012 Treasury Notes [Member] EUR (€)	Jul. 31, 2012 International Subsidiaries [Member] USD ($)	Jul. 31, 2012 Standby Letters Of Credit [Member] USD ($)	Jul. 31, 2011 Standby Letters Of Credit [Member] USD ($)	Jul. 31, 2012 European Operations [Member] USD ($)	Jul. 31, 2012 European Operations [Member] EUR (€)
Line of Credit Facility [Line Items]
Credit facility expiration period		5 years
Credit facilities, maximum borrowing capacity		$ 250.0					$ 123.1	€ 100.0				$ 53.7	€ 43.6
Credit facilities, maturity date		Apr. 02, 2013
Credit facilities, amount outstanding		80.0			8.7	13.1			6.4	10.9	11.4
Credit facility, remaining borrowing capacity		$ 159.1	$ 238.6		$ 41.3	$ 56.9
Short-term borrowings, weighted average interest rate				0.40%					0.50%
Short-term borrowings, weighted average interest rate outstanding					1.00%	0.90%
Number of uncommitted credit facilities	2

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Summary Of Significant Accounting Policies (Components Of Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Summary Of Significant Accounting Policies [Abstract]
Land	$ 21,062	$ 22,578
Buildings	258,082	266,482
Machinery and equipment	643,199	625,439
Construction in progress	27,276	31,375
Less accumulated depreciation	(564,710)	(554,372)
Property, plant and equipment, net	$ 384,909	$ 391,502	$ 365,892

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Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Operating Loss Carryforwards [Line Items]
Effective tax rate	28.70%	27.90%	27.80%
Average underlying tax rate	30.80%	29.70%
Discrete tax benefits	$ 7.7	$ 5.8
Additional undistributed earnings of non-U.S. subsidiaries	756.0
Cumulative pre-tax loss carryforwards	2.7
Percentage of net operating loss carryforward expiration	5.00%
Expiration period for net operating losses carryforwards, in years	3 years
Remaining net operating loss carryforwards expiration period, in years	5 years
Existing valuation allowance	0.5
Largest amount of tax benefit that in the Company's judgment is likely to be realized, in percentage	50.00%
Recognized interest expense, net of tax benefit	0.3
Accrued interest and penalties on unrecognized tax benefits	1.3	1.5
Statute of limitations period, average, years	5 years
Maximum reduction in amount of unrecognized tax benefits	2.1
Unrecognized tax benefits in dispute with various taxing authorities	0.2
State And Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Cumulative pre-tax loss carryforwards	$ 0.7

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Warranty (Tables)

12 Months Ended

Jul. 31, 2012

Warranty [Abstract]

Reconciliation Of Warranty Reserves

Balance at July 31, 2010	$	15,707
Accruals for warranties issued during the reporting period		8,406
Accruals related to pre-existing warranties (including changes in estimates)		7,735
Less settlements made during the period		(12,128	)
Balance at July 31, 2011	$	19,720
Accruals for warranties issued during the reporting period		5,002
Accruals related to pre-existing warranties (including changes in estimates)		(2,956	)
Less settlements made during the period		(10,861	)
Balance at July 31, 2012	$	10,905

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Long-Term Debt (Schedule Of Long-Term Debt) (Details)	0 Months Ended						12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Jan. 21, 2012 USD ($)	Jan. 21, 2012 JPY (¥)	Dec. 17, 2011 USD ($)	Jul. 31, 2012 USD ($)	Jan. 03, 2012	Jul. 31, 2011 USD ($)	Jul. 31, 2012 4.85% Unsecured Senior Notes Due December 17, 2011 [Member]	Jul. 31, 2011 4.85% Unsecured Senior Notes Due December 17, 2011 [Member] USD ($)	Jul. 31, 2012 6.59% Unsecured Senior Notes Due November 14, 2013 [Member] USD ($)	Jul. 31, 2011 6.59% Unsecured Senior Notes Due November 14, 2013 [Member] USD ($)	Jul. 31, 2012 5.48% Unsecured Senior Notes Due June 1, 2017 [Member] USD ($)	Jul. 31, 2011 5.48% Unsecured Senior Notes Due June 1, 2017 [Member] USD ($)	Jul. 31, 2012 5.48% Unsecured Senior Notes Due September 28, 2017 [Member] USD ($)	Jul. 31, 2011 5.48% Unsecured Senior Notes Due September 28, 2017 [Member] USD ($)	Jul. 31, 2012 5.48% Unsecured Senior Notes Due November 30, 2017 [Member] USD ($)	Jul. 31, 2011 5.48% Unsecured Senior Notes Due November 30, 2017 [Member] USD ($)	Jul. 31, 2012 1.418% Guaranteed Senior Notes Due January 31, 2012 [Member]	Jul. 31, 2011 1.418% Guaranteed Senior Notes Due January 31, 2012 [Member] USD ($)	Jul. 31, 2012 2.019% Guaranteed Senior Note Due May 18, 2014 [Member] JPY (¥)	Jul. 31, 2012 2.019% Guaranteed Senior Note Due May 18, 2014 [Member] USD ($)	Jul. 31, 2011 2.019% Guaranteed Senior Note Due May 18, 2014 [Member] USD ($)	Jul. 31, 2012 Capitalized Lease Obligations and Other, with Various Maturity Dates and Interest Rates [Member] USD ($)	Jul. 31, 2011 Capitalized Lease Obligations and Other, with Various Maturity Dates and Interest Rates [Member] USD ($)	Jul. 31, 2012 Terminated Interest Rate Swap Contract [Member] USD ($)	Jul. 31, 2011 Terminated Interest Rate Swap Contract [Member] USD ($)
Short-term Debt [Line Items]
Total				$ 205,829,000		$ 253,619,000		$ 30,000,000	$ 80,000,000	$ 80,000,000	$ 50,000,000	$ 50,000,000	$ 25,000,000	$ 25,000,000	$ 25,000,000	$ 25,000,000		$ 15,595,000		$ 21,117,000	$ 21,442,000	$ 774,000	$ 796,000	$ 3,938,000	$ 5,786,000
Less current maturities				2,346,000		47,871,000
Total long-term debt				203,483,000		205,748,000
Interest rate percentage			4.85%		1.418%		4.85%		6.59%		5.48%		5.48%		5.48%		1.418%			2.019%
Senior unsecured notes, due date							Dec. 17, 2011		Nov. 14, 2013		Jun. 01, 2017		Sep. 28, 2017		Nov. 30, 2017		Jan. 31, 2012		May 18, 2014
Long-term debt, principal payment	$ 15,400,000	¥ 1,200,000,000	$ 30,000,000						$ 80,000,000		$ 50,000,000		$ 25,000,000		$ 25,000,000				¥ 1,650,000,000

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Employee Benefit Plans (Estimated Future Benefit Payments For U.S. And Non U.S. Plans) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012
Employee Benefit Plans [Abstract]
2013	$ 19,516
2014	22,667
2015	20,875
2016	21,399
2017	28,955
2018-2022	$ 142,611

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Employee Benefit Plans (Weighted-Average Discount Rates In Determining Actuarial Present Value Of Projected Benefit Obligation) (Details)	Jul. 31, 2012	Jul. 31, 2011
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.59%	4.91%
Rate of compensation increase	2.61%	4.50%
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.13%	5.36%
Rate of compensation increase	2.86%	3.57%

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Goodwill And Other Intangible Assets (Reconciliation Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Goodwill [Line Items]
Balance	$ 171,741	$ 165,315
Disposition activity		(325)
Foreign exchange translation	(8,792)	6,751
Balance	162,949	171,741
Engine Products [Member]
Goodwill [Line Items]
Balance	72,966	60,914
Goodwill transferred		11,258
Foreign exchange translation	(1,219)	794
Balance	71,747	72,966
Industrial Products [Member]
Goodwill [Line Items]
Balance	98,775	104,401
Goodwill transferred		(11,258)
Disposition activity		(325)
Foreign exchange translation	(7,573)	5,957
Balance	$ 91,202	$ 98,775

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Short-Term Investments

12 Months Ended

Jul. 31, 2012

Short-Term Investments [Abstract]

Short-Term Investments

NOTE B  Short-Term Investments

All short-term investments are time deposits and have original maturities in excess of three months but not more than twelve months. The Company had $92.4 million in short-term investments as of July 31, 2012, and the Company did not have any short-term investments as of July 31, 2011.

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Employee Benefit Plans (Assumptions Used To Determine Net Periodic Benefit Cost) (Details)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.91%	5.25%	6.00%
Expected return on plan assets	7.75%	8.00%	8.50%
Rate of compensation increase	4.50%	5.00%	5.00%
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.36%	5.17%	5.90%
Expected return on plan assets	6.03%	6.17%	6.64%
Rate of compensation increase	3.57%	3.69%	3.87%

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Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Summary Of Significant Accounting Policies [Abstract]
Foreign currency translation adjustment	$ 32,976	$ 131,699	$ 59,194
Net gain (loss) on cash flow hedging dervatives, net of deferred taxes	(292)	380	(462)
Pension and postretirement liability, net of deferred taxes	(134,572)	(92,052)	(99,218)
Total accumulated other comprehensive income (loss)	$ (101,888)	$ 40,027	$ (40,486)

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Long-Term Debt (Tables)

12 Months Ended

Jul. 31, 2012

Long-Term Debt [Abstract]

Schedule Of Long-Term Debt

	2012		2011
	(thousands of dollars)
4.85% Unsecured senior notes, interest payable semi-annually.
This note was repaid on December 17, 2011.		—		30,000
6.59% Unsecured senior notes, interest payable semi-annually,
principal payment of $80.0 million due November 14, 2013		80,000		80,000
5.48% Unsecured senior notes, interest payable semi-annually,
principal payment of $50.0 million due June 1, 2017		50,000		50,000
5.48% Unsecured senior notes, interest payable semi-annually,
principal payment of $25.0 million due September 28, 2017		25,000		25,000
5.48% Unsecured senior notes, interest payable semi-annually,
principal payment of $25.0 million due November 30, 2017		25,000		25,000
1.418% Guaranteed senior notes, interest payable semi-annually.
This note was repaid on January 31, 2012.		—		15,595
2.019% Guaranteed senior note, interest payable semi-annually,
principal payment of ¥1.65 billion due May 18, 2014		21,117		21,442
Capitalized lease obligations and other, with various maturity dates and interest rates		774		796
Terminated interest rate swap contracts		3,938		5,786
Total		205,829		253,619
Less current maturities		2,346		47,871
Total long-term debt	$	203,483	$	205,748

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Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Jul. 31, 2012

Goodwill And Other Intangible Assets [Abstract]

Reconciliation Of Goodwill

	Engine Products			Industrial Products			Total Goodwill
	(thousands of dollars)
Balance as of July 31, 2010	$	60,914		$	104,401		$	165,315
Goodwill transferred		11,258			(11,258	)		—
Disposition activity		—			(325	)		(325	)
Foreign exchange translation		794			5,957			6,751
Balance as of July 31, 2011	$	72,966		$	98,775		$	171,741
Foreign exchange translation		(1,219	)		(7,573	)		(8,792	)
Balance as of July 31, 2012	$	71,747		$	91,202		$	162,949

Reconciliation Of Intangible Assets

	Gross Carrying Amount			Accumulated Amortization			Net Intangible Assets
	(thousands of dollars)
Balance as of July 31, 2010	$	83,487		$	(25,195	)	$	58,292
Amortization expense		—			(5,917	)		(5,917	)
Foreign exchange translation		1,952			(831	)		1,121
Balance as of July 31, 2011	$	85,439		$	(31,943	)	$	53,496
Amortization expense		—			(5,778	)		(5,778	)
Retirements		(1,530	)		1,530			—
Foreign exchange translation		(3,834	)		2,316			(1,518	)
Balance as of July 31, 2012	$	80,075		$	(33,875	)	$	46,200

Expected Amortization Expense Relating To Existing Intangible Assets

Fiscal Year
2013	$	5,418
2014	$	5,045
2015	$	4,950
2016	$	4,948
2017	$	4,530

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Fair Values (Fair Value Of Outstanding Derivatives In Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Fair Value [Abstract]
Asset derivatives recorded under the caption Prepaids and other current assets, Foreign exchange contracts	$ 526	$ 945
Liability derivatives recorded under the caption Other current liabilities, Foreign exchange contracts	$ 1,424	$ 1,470

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Summary Of Significant Accounting Policies (Calculation Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Summary Of Significant Accounting Policies [Abstract]
Weighted average shares - basic									150,286,403	154,392,740	155,697,056
Diluted share equivalents									2,655,000	2,804,000	2,659,000
Weighted average shares - diluted									152,940,605	157,196,918	158,355,544
Net earnings for basic and diluted earnings per share computation	$ 70,981	$ 70,946	$ 53,821	$ 68,553	$ 65,767	$ 61,811	$ 44,579	$ 53,134	$ 264,301	$ 225,291	$ 166,163
Net earnings per share - basic	$ 0.47	$ 0.47	$ 0.36	$ 0.46	$ 0.43	$ 0.40	$ 0.29	$ 0.34	$ 1.76	$ 1.46	$ 1.07
Net earnings per share - diluted	$ 0.47	$ 0.46	$ 0.35	$ 0.45	$ 0.42	$ 0.39	$ 0.28	$ 0.34	$ 1.73	$ 1.43	$ 1.05

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Financial Instruments (Tables)

12 Months Ended

Jul. 31, 2012

Financial Instruments [Abstract]

Impact On Accumulated Other Comprehensive Income (Loss) And Earnings From Foreign Exchange Contracts That Qualified As Cash Flow Hedges

	July 31,
	2012			2011
Net carrying amount at beginning of year	$	241		$	(660	)
Cash flow hedges deferred in OCI		2,229			(782	)
Cash flow hedges reclassified to income (effective portion)		(2,960	)		1,963
Change in deferred taxes		117			(280	)
Net carrying amount at July 31	$	(373	)	$	241

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Fair Values (Tables)

12 Months Ended

Jul. 31, 2012

Fair Value [Abstract]

Fair Value Of Outstanding Derivatives In Consolidated Balance Sheets

	At July 31,
	2012		2011
Asset derivatives recorded under the caption Prepaids and other current assets Foreign exchange contracts	$	526	$	945
Liability derivatives recorded under the caption Other current liabilities Foreign exchange contracts	$	1,424	$	1,470

Fair Value Of Financial Assets And Liabilities

	Significant Other Observable Inputs
	(Level 2)*
	At July 31,
	2012			2011
Forward exchange contracts – net liability position	$	(898	)	$	(525	)

*Inputs to the valuation methodology of level 2 assets include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

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Summary Of Significant Accounting Policies

12 Months Ended

Jul. 31, 2012

Summary Of Significant Accounting Policies [Abstract]

Summary Of Significant Accounting Policies

NOTE A  Summary of Significant Accounting Policies

Description of Business Donaldson Company, Inc. ("Donaldson" or the "Company"), is a worldwide manufacturer of filtration systems and replacement parts. The Company's product mix includes air and liquid filtration systems and exhaust and emission control products. Products are manufactured at 40 plants around the world and through three joint ventures. Products are sold to original equipment manufacturers ("OEMs"), distributors, dealers, and directly to end-users.

Principles of Consolidation The Consolidated Financial Statements include the accounts of Donaldson Company, Inc. and all majority-owned subsidiaries. All intercompany accounts and transactions have been eliminated. The Company's three joint ventures that are not majority-owned are accounted for under the equity method. The Company does not have any variable interests in variable interest entities as of July 31, 2012. The Company uses a fiscal period which ends on a calendar basis for international affiliates and on the Friday nearest to July 31 for U.S. purposes.

Use of Estimates The preparation of Financial Statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Foreign Currency Translation For foreign operations, local currencies are considered the functional currency. Assets and liabilities are translated to U.S. dollars at year-end exchange rates and the resulting gains and losses arising from the translation of net assets located outside the United States are recorded as a cumulative translation adjustment, a component of Accumulated other comprehensive income (loss) in the Consolidated Balance Sheets. Elements of the Consolidated Statements of Earnings are translated at average exchange rates in effect during the year. Realized and unrealized foreign currency transaction gains and losses are included in Other income, net in the Consolidated Statements of Earnings. A foreign currency transaction gain of $1.8 million and losses of $4.5 million, and $4.6 million are included in Other income, net in the Consolidated Statements of Earnings in Fiscal 2012, 2011, and 2010, respectively.

Cash Equivalents The Company considers all highly liquid temporary investments with a maturity of three months or less when purchased to be cash equivalents. Cash equivalents are carried at cost that approximates market value.

Short-Term Investments Classification of the Company's investments as current or non-current is dependent upon management's intended holding period, the investment's maturity date and liquidity considerations based on market conditions. If management intends to hold the investments for longer than one year as of the balance sheet date, they are classified as non-current. See Note B for disclosures related to the Company's short-term investments.

Accounts Receivable and Allowance for Doubtful Accounts Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The allowance for doubtful accounts is the Company's best estimate of the amount of probable credit losses in its existing accounts receivable. The Company determines the allowance based on historical write-off experience in the industry, regional economic data, and evaluation of specific Customer accounts for risk of loss. The Company reviews its allowance for doubtful accounts monthly. Past due balances over 90 days and over a specified amount are reviewed individually for collectability. All other balances are reviewed on a pooled basis by type of receivable. Account balances are charged off against the allowance when the Company feels it is probable the receivable will not be recovered. The Company does not have any off-balance-sheet credit exposure related to its Customers.

Inventories Inventories are stated at the lower of cost or market. U.S. inventories are valued using the last-in, first-out ("LIFO") method, while the international subsidiaries use the first-in, first-out ("FIFO") method. Inventories valued at LIFO were approximately 30 percent and 33 percent of total inventories at July 31, 2012 and 2011, respectively. For inventories valued under the LIFO method, the FIFO cost exceeded the LIFO carrying values by $37.4 million and $37.1 million at July 31, 2012 and 2011, respectively. Results of operations for all periods presented were not materially affected by the liquidation of LIFO inventory. The components of inventory are as follows (thousands of dollars):

	At July 31,
	2012		2011
Materials	$	111,808	$	110,466
Work in process		30,767		33,917
Finished products		113,541		127,093
Total inventories	$	256,116	$	271,476

Property, Plant and Equipment Property, plant and equipment are stated at cost. Additions, improvements, or major renewals are capitalized, while expenditures that do not enhance or extend the asset's useful life are charged to expense as incurred. Depreciation is computed under the straight-line method. Depreciation expense was $55.3 million in Fiscal 2012, $54.5 million in Fiscal 2011, and $53.2 million in Fiscal 2010. The estimated useful lives of property, plant, and equipment are 10 to 40 years for buildings, including building improvements, and 3 to 10 years for machinery and equipment. The components of property, plant, and equipment are as follows (thousands of dollars):

	At July 31,
	2012			2011
Land	$	21,062		$	22,578
Buildings		258,082			266,482
Machinery and equipment		643,199			625,439
Construction in progress		27,276			31,375
Less accumulated depreciation		(564,710	)		(554,372	)
Total property, plant and equipment, net	$	384,909		$	391,502

Internal-Use Software The Company capitalizes direct costs of materials and services used in the development and purchase of internal-use software. Amounts capitalized are amortized on a straight-line basis over a period of five years and are reported as a component of machinery and equipment within property, plant, and equipment.

Goodwill and Other Intangible Assets Goodwill represents the excess of the purchase price over the fair value of net assets acquired in business combinations under the purchase method of accounting. Other intangible assets, consisting primarily of patents, trademarks, Customer relationships and lists, are recorded at cost and are amortized on a straight-line basis over their estimated useful lives of 3 to 20 years. Goodwill is assessed for impairment annually or if an event occurs or circumstances change that would indicate the carrying amount may be impaired. The impairment assessment for goodwill is done at a reporting unit level. Reporting units are one level below the business segment level, but can be combined when reporting units within the same segment have similar economic characteristics. An impairment loss generally would be recognized when the carrying amount of the reporting unit's net assets exceeds the estimated fair value of the reporting unit. The Company completed its annual impairment assessment in the third quarters of Fiscal 2012 and 2011, which indicated no impairment.

Recoverability of Long-Lived Assets The Company reviews its long-lived assets, including identifiable intangibles, for impairment when events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If impairment indicators are present and the estimated future undiscounted cash flows are less than the carrying value of the assets, the carrying value is reduced.

Income Taxes The provision for income taxes is computed based on the pretax income included in the Consolidated Statements of Earnings. Deferred tax assets and liabilities are recognized for the expected future tax consequences attributed to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured using the enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to reverse. Valuation allowances are recorded to reduce deferred tax assets when it is more likely than not that a tax benefit will not be realized.

Comprehensive Income (Loss) Comprehensive income (loss) consists of net income, foreign currency translation adjustments, net changes in the funded status of pension retirement obligations, and net gain or loss on cash flow hedging derivatives, and is presented in the Consolidated Statements of Changes in Shareholders' Equity. The components of the ending balances of Accumulated other comprehensive income (loss) are as follows (thousands of dollars):

	At July 31,
	2012			2011			2010
Foreign currency translation adjustment	$	32,976		$	131,699		$	59,194
Net gain (loss) on cash flow hedging derivatives, net of deferred taxes		(292	)		380			(462	)
Pension and postretirement liability adjustment, net of deferred taxes		(134,572	)		(92,052	)		(99,218	)
Total accumulated other comprehensive income (loss)	$	(101,888	)	$	40,027		$	(40,486	)

Cumulative foreign translation is not adjusted for income taxes.

Earnings Per Share The Company's basic net earnings per share are computed by dividing net earnings by the weighted average number of outstanding common shares. The Company's diluted net earnings per share is computed by dividing net earnings by the weighted average number of outstanding common shares and common equivalent shares relating to stock options and stock incentive plans. Certain outstanding options were excluded from the diluted net earnings per share calculations because their exercise prices were greater than the average market price of the Company's common stock during those periods. There were 1,063,135 options, 988,698 options, and 1,691,654 options excluded from the diluted net earnings per share calculation for the fiscal year ended July 31, 2012, 2011, and 2010, respectively.

The following table presents information necessary to calculate basic and diluted earnings per share:

	2012		2011		2010
	(thousands of dollars, except per share amounts)
Weighted average shares - basic		150,286		154,393		155,697
Diluted share equivalents		2,655		2,804		2,659
Weighted average shares - diluted		152,941		157,197		158,356
Net earnings for basic and diluted earnings per share computation	$	264,301	$	225,291	$	166,163
Net earnings per share - basic	$	1.76	$	1.46	$	1.07
Net earnings per share - diluted	$	1.73	$	1.43	$	1.05

On January 27, 2012, the Company announced that its Board of Directors declared a two-for-one stock split effected in the form of a 100 percent stock dividend. The stock split was distributed March 23, 2012, to stockholders of record as of March 2, 2012. Earnings and dividends per share and weighted average shares outstanding are presented in this Form 10-K after the effect of the 100 percent stock dividend. The two-for-one stock split is reflected in the share amounts in all periods presented in the table above and elsewhere in this annual Form 10-K.

Treasury Stock Repurchased common stock is stated at cost and is presented as a separate reduction of shareholders' equity.

Research and Development Research and development costs are charged against earnings in the year incurred. Research and development expenses include basic scientific research and the application of scientific advances to the development of new and improved products and their uses.

Stock-Based Compensation The Company offers stock-based employee compensation plans, which are more fully described in Note J. Stock-based employee compensation cost is recognized using the fair-value based method.

Revenue Recognition Revenue is recognized when both product ownership and the risk of loss have transferred to the Customer and the Company has no remaining obligations. The Company records estimated discounts and rebates as a reduction of sales in the same period revenue is recognized. Shipping and handling costs for Fiscal 2012, 2011, and 2010 totaling $67.0 million, $61.9 million, and $49.8 million, respectively, are classified as a component of operating expenses.

Product Warranties The Company provides for estimated warranty costs at the time of sale and accrues for specific items at the time their existence is known and the amounts are determinable. The Company estimates warranty costs using standard quantitative measures based on historical warranty claim experience and evaluation of specific Customer warranty issues. For a warranty reserve reconciliation see Note N.

     Derivative Instruments and Hedging Activities The Company recognizes all derivatives on the balance sheet at fair value. Derivatives that are not hedges are adjusted to fair value through income. If the derivative is a hedge, depending on the nature of the hedge, changes in the fair value of derivatives are either offset against the change in fair value of the hedged assets, liabilities or firm commitments through earnings or recognized in shareholders' equity through other comprehensive income until the hedged item is recognized. Gains or losses related to the ineffective portion of any hedge are recognized through earnings in the current period.

Exit or Disposal Activities The Company accounts for costs relating to exit or disposal activities based on FASB guidance related to exit or disposal cost obligations. This guidance addresses recognition, measurement, and reporting of costs associated with exit and disposal activities including restructuring. See Note P for disclosures related to restructuring.

Guarantees Upon issuance of a guarantee, the Company recognizes a liability for the fair value of an obligation assumed under a guarantee. See Note M for disclosures related to guarantees.

New Accounting Standards In June 2011, the the Financial Accounting Standards Board ("FASB") FASB updated the disclosure requirements for comprehensive income. The updated guidance requires companies to disclose the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. The updated guidance does not affect how earnings per share is calculated or presented. The updated guidance is effective for the Company beginning in the first quarter of Fiscal 2013. Since this standard impacts disclosure requirements only, its adoption will not have a material impact on the Company's consolidated financial statements. In December 2011, the FASB issued updated guidance to delay the effective date of certain provisions that relate to reclassification items until such time as the FASB has time to re-deliberate the presentation of those items.

In May 2011, the FASB updated the accounting guidance related to fair value measurements. The updated guidance results in a consistent definition of fair value and common requirements for measurement of and disclosure about fair value between U.S. GAAP and International Financial Reporting Standards (IFRS). The updated guidance was effective for the Company beginning in the third quarter of Fiscal 2012. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

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Employee Benefit Plans (Tables)

12 Months Ended

Jul. 31, 2012

Defined Benefit Plan Disclosure [Line Items]

Components Of Net Periodic Pension Costs

	2012			2011			2010
	(thousands of dollars)
Net periodic cost:
Service cost	$	15,464		$	16,148		$	13,184
Interest cost		19,436			19,440			19,445
Expected return on assets		(28,114	)		(27,538	)		(28,390	)
Transition amount amortization		216			225			226
Prior service cost amortization		509			449			293
Actuarial loss amortization		5,696			3,962			2,864
Net periodic benefit cost	$	13,207		$	12,686		$	7,622

Obligations And Funded Status Of Company's Pension Plans

	2012			2011
	(thousands of dollars)
Change in benefit obligation:
Benefit obligation, beginning of year	$	404,012		$	377,903
Service cost		15,464			16,148
Interest cost		19,436			19,440
Plan amendments		(781	)		1,639
Participant contributions		1,130			1,058
Actuarial loss		51,914			1,034
Currency exchange rates		(9,689	)		6,936
Benefits paid		(19,994	)		(20,146	)
Benefit obligation, end of year	$	461,492		$	404,012
Change in plan assets:
Fair value of plan assets, beginning of year	$	373,555		$	319,734
Actual return on plan assets		4,442			38,758
Company contributions		37,915			27,655
Participant contributions		1,130			1,058
Currency exchange rates		(9,472	)		6,496
Benefits paid		(19,994	)		(20,146	)
Fair value of plan assets, end of year	$	387,576		$	373,555
Funded status:
Underfunded status at July 31, 2012 and 2011	$	(73,916	)	$	(30,457	)

Weighted-Average Discount Rates In Determining Actuarial Present Value Of Projected Benefit Obligation

Weighted average actuarial assumptions	2012			2011
All U.S. plans:
Discount rate		3.59	%		4.91	%
Rate of compensation increase		2.61	%		4.50	%
Non - U.S. plans:
Discount rate		4.13	%		5.36	%
Rate of compensation increase		2.86	%		3.57	%

Assumptions Used To Determine Net Periodic Benefit Cost

Weighted average actuarial assumptions	2012			2011			2010
All U.S. plans:
Discount rate		4.91	%		5.25	%		6.00	%
Expected return on plan assets		7.75	%		8.00	%		8.50	%
Rate of compensation increase		4.50	%		5.00	%		5.00	%
Non - U.S. plans:
Discount rate		5.36	%		5.17	%		5.90	%
Expected return on plan assets		6.03	%		6.17	%		6.64	%
Rate of compensation increase		3.57	%		3.69	%		3.87	%

Fair Value Of Assets Held By U.S Pension Plans' Level 3 Assets

Asset Category	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
2012
Cash	$	0.9	$	—	$	—	$	0.9
Global Equity Securities		61.5		57.3		0.2		119.0
Fixed Income Securities		29.2		—		—		29.2
Private Equity		—		—		19.1		19.1
Alternative		—		19.5		56.1		75.6
Real Assets		—		—		30.4		30.4
Total U.S. Assets at July 31, 2012	$	91.6	$	76.8	$	105.8	$	274.2
2011
Cash	$	0.3	$	—	$	—	$	0.3
Global Equity Securities		64.8		56.2		0.3		121.3
Fixed Income Securities		36.6		—		—		36.6
Private Equity		—		—		17.6		17.6
Alternative		—		20.1		31.4		51.5
Real Assets		—		—		38.0		38.0
Total U.S. Assets at July 31, 2011	$	101.7	$	76.3	$	87.3	$	265.3
2010
Cash	$	0.9	$	—	$	—	$	0.9
Global Equity Securities		48.7		50.2		2.4		101.3
Fixed Income Securities		17.1		—		—		17.1
Private Equity		—		—		14.8		14.8
Alternative		—		39.4		33.1		72.5
Real Assets		—		9.6		16.3		25.9
Total U.S. Assets at July 31, 2010	$	66.7	$	99.2	$	66.6	$	232.5

Changes In Fair Values Of U.S. Pension Plans' Level 3 Assets

	Global Equity			Private Equity			Alternative			Real Assets			Total
Beginning balance at August 1, 2009	$	2.7		$	11.4		$	41.4		$	15.5		$	71.0
Unrealized gains		0.1			1.8			2.8			0.1			4.8
Realized gains		—			—			0.7			—			0.7
Purchases, sales, issuances and settlements, net		(0.4	)		1.6			(11.8	)		0.7			(9.9	)
Ending balance at July 31, 2010	$	2.4		$	14.8		$	33.1		$	16.3		$	66.6
Unrealized gains		—			1.5			2.1			3.4			7.0
Realized gains		—			1.0			—			—			1.0
Purchases, sales, issuances and settlements, net		(2.1	)		0.3			(3.8	)		18.3			12.7
Ending balance at July 31, 2011	$	0.3		$	17.6		$	31.4		$	38.0		$	87.3
Unrealized gains		(0.1	)		0.2			(0.3	)		(1.2	)		(1.4	)
Realized gains		0.1			1.4			0.4			—			1.9
Purchases, sales, issuances and settlements, net		(0.1	)		(0.1	)		17.3			0.9			18.0
Net transfers into (out of) level 3		—			—			7.3			(7.3	)		—
Ending balance at July 31, 2012	$	0.2		$	19.1		$	56.1		$	30.4		$	105.8

Fair Value Of Assets Held By International Pension Plans

Asset Category	Quoted Prices in Active Markets for Identical  Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
2012
Global Equity Securities	$	37.1	$	—	$	—	$	37.1
Fixed Income Securities		5.9		28.4		—		34.3
Equity/Fixed Income		13.3		—		21.8		35.1
Real Assets		—		6.8		—		6.8
Total International Assets at July 31, 2012	$	56.3	$	35.2	$	21.8	$	113.3
2011
Global Equity Securities	$	33.5	$	—	$	—	$	33.5
Fixed Income Securities		—		26.5		—		26.5
Equity/Fixed Income		15.4		—		26.3		41.7
Real Assets		—		6.5		—		6.5
Total International Assets at July 31, 2011	$	48.9	$	33.0	$	26.3	$	108.2
2010
Global Equity Securities	$	26.8	$	—	$	—	$	26.8
Fixed Income Securities		—		20.7		—		20.7
Equity/Fixed Income		12.5		—		21.7		34.2
Real Assets		—		5.5		—		5.5
Total International Assets at July 31, 2010	$	39.3	$	26.2	$	21.7	$	87.2

Estimated Future Benefit Payments For U.S. And Non U.S. Plans

Fiscal Year
2013	$	19,516
2014	$	22,667
2015	$	20,875
2016	$	21,399
2017	$	28,955
2018-2022	$	142,611

International Assets [Member]

Defined Benefit Plan Disclosure [Line Items]

Fair Value Of Assets Held By International Pension Plans

	Equity/Fixed Income
Beginning balance at August 1, 2009	$	23.1
Unrealized gains		0.3
Foreign currency exchange		(1.9	)
Purchases, sales, issuances and settlements, net		0.2
Ending balance at July 31, 2010	$	21.7
Unrealized gains		0.9
Foreign currency exchange		2.5
Purchases, sales, issuances and settlements, net		1.2
Ending balance at July 31, 2011	$	26.3
Unrealized gains		1.4
Foreign currency exchange		(3.8	)
Purchases, sales, issuances and settlements, net		(2.0	)
Net transfers into (out of) Level 3		(0.1	)
Ending balance at July 31, 2012	$	21.8

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Segment Reporting (Summary Of Segment Detail) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Segment Reporting Information [Line Items]
Net sales	$ 656,833	$ 647,237	$ 580,883	$ 608,295	$ 625,450	$ 594,565	$ 537,105	$ 536,909	$ 2,493,248	$ 2,294,029	$ 1,877,064
Depreciation and amortization									61,165	60,491	59,232
Equity earnings in unconsolidated affiliates									4,735	4,105	2,019
Earnings before income taxes									370,780	312,263	230,176
Assets	1,730,082				1,726,093				1,730,082	1,726,093	1,499,506
Equity investments in unconsolidated affiliates	20,126				19,177				20,126	19,177	15,485
Capital expenditures, net of acquired businesses									78,139	60,633	43,149
Engine Products [Member]
Segment Reporting Information [Line Items]
Net sales									1,570,140	1,440,495	1,126,007
Depreciation and amortization									36,646	36,338	33,433
Equity earnings in unconsolidated affiliates									3,966	3,302	1,859
Earnings before income taxes									227,941	211,255	155,833
Assets	845,176				888,080				845,176	888,080	702,300
Equity investments in unconsolidated affiliates	17,304				16,619				17,304	16,619	14,860
Capital expenditures, net of acquired businesses									46,816	36,423	24,355
Industrial Products [Member]
Segment Reporting Information [Line Items]
Net sales									923,108	853,534	751,057
Depreciation and amortization									18,852	19,396	20,935
Equity earnings in unconsolidated affiliates									769	803	160
Earnings before income taxes									149,249	123,871	91,084
Assets	520,739				519,730				520,739	519,730	477,154
Equity investments in unconsolidated affiliates	2,822				2,558				2,822	2,558	625
Capital expenditures, net of acquired businesses									24,083	19,442	15,250
Corporate & Unallocated [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization									5,667	4,757	4,864
Earnings before income taxes									(6,410)	(22,863)	(16,741)
Assets	364,167				318,283				364,167	318,283	320,052
Capital expenditures, net of acquired businesses									$ 7,240	$ 4,768	$ 3,544

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Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended	12 Months Ended
	Jan. 27, 2012	Jun. 30, 2011	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Property, Plant and Equipment [Line Items]
Number of manufacturing plants around world			40
Number of joint ventures			3
Foreign currency translation adjustment			$ 1.8	$ (4.5)	$ (4.6)
Number of days considered to review for collectability			90 days
Inventories valuation, LIFO method to total inventory, in percentage			30.00%	33.00%
Excess of FIFO inventory cost over LIFO inventory carrying values			37.4	37.1
Depreciation expense			55.3	54.5	53.2
Capitalization of direct cost, amortization period in years			5 years
Options excluded from the diluted net earnings per share calculation			1,063,135	988,698	1,691,654
Stock dividend	100.00%
Shipping and handling costs			$ 67.0	$ 61.9	$ 49.8
Separate consecutive statements		2
Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, years			20 years
Maximum [Member] | Land And Building [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, years			40 years
Maximum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, years			10 years
Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, years			3 years
Minimum [Member] | Land And Building [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, years			10 years
Minimum [Member] | Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life, years			3 years

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Financial Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Financial Instruments [Abstract]
Maximum length of forward exchange contracts	1 year
Expected net deferred gains from forward exchange contracts	$ 0.4
Losses recorded due to hedge ineffectiveness	$ 0.4	$ 1.1	$ 0.2

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Stock Option Plans (Stock Option Activity) (Details) (USD $)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Stock Option Plans [Abstract]
Options Outstanding, Beginning	8,387,994	9,543,624	9,996,250
Options Outstanding, Granted	1,082,979	1,103,202	1,287,948
Options Outstanding, Exercised	(1,379,827)	(2,243,502)	(1,697,980)
Options Outstanding, Canceled	(34,819)	(15,330)	(42,594)
Options Outstanding, Ending	8,056,327	8,387,994	9,543,624
Weighted Average Exercise Price, Outstanding, Beginning	$ 17.72	$ 15.02	$ 13.47
Weighted Average Exercise Price, Granted	$ 34.76	$ 28.61	$ 21.21
Weighted Average Exercise Price, Exercised	$ 11.90	$ 11.55	$ 10.42
Weighted Average Exercise Price, Canceled	$ 27.45	$ 23.60	$ 20.97
Weighted Average Exercise Price, Outstanding, Ending	$ 20.97	$ 17.72	$ 15.02

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Condensed Consolidated Statements Of Earnings (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Condensed Consolidated Statements Of Earnings [Abstract]
Net sales	$ 2,493,248	$ 2,294,029	$ 1,877,064
Cost of sales	1,619,485	1,480,233	1,218,316
Gross margin	873,763	813,796	658,748
Selling, general and administrative	451,158	443,227	376,018
Research and development	59,589	55,286	44,486
Operating income	363,016	315,283	238,244
Interest expense	11,489	12,525	11,975
Other income, net	(19,253)	(9,505)	(3,907)
Earnings before income taxes	370,780	312,263	230,176
Income taxes	106,479	86,972	64,013
Net earnings	$ 264,301	$ 225,291	$ 166,163
Weighted average shares - basic	150,286,403	154,392,740	155,697,056
Weighted average shares - diluted	152,940,605	157,196,918	158,355,544
Net earnings per share - basic	$ 1.76	$ 1.46	$ 1.07
Net earnings per share - diluted	$ 1.73	$ 1.43	$ 1.05

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Short-Term Investments (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012
Short-Term Investments [Abstract]
Short-term Investments	$ 92,362

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Consolidated Statements Of Changes In Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Stock Compensation Plans [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Jul. 31, 2009	$ 443,216		$ 615,817	$ 19,894	$ (9,677)	$ (380,632)	$ 688,618
Comprehensive income
Net earnings			166,163				166,163
Foreign currency translation					(15,961)		(15,961)
Pension liability adjustment, net of deferred taxes					(14,780)		(14,780)
Net gain (loss) on hedging derivatives					(68)		(68)
Comprehensive income							135,354
Treasury stock acquired						(66,696)	(66,696)
Stock options exercised		(5,608)	(7,678)	2,676		22,951	12,341
Deferred stock and other activity		(704)	(30)	(244)		1,707	729
Performance awards		7	(7)
Stock option expense			6,891				6,891
Tax reduction - employee plans		6,305					6,305
Dividends ( per share)			(36,909)				(36,909)
Balance at Jul. 31, 2010	443,216		744,247	22,326	(40,486)	(422,670)	746,633
Comprehensive income
Net earnings			225,291				225,291
Foreign currency translation					72,505		72,505
Pension liability adjustment, net of deferred taxes					7,166		7,166
Net gain (loss) on hedging derivatives					842		842
Comprehensive income							305,804
Treasury stock acquired						(108,929)	(108,929)
Stock options exercised		(10,792)	(7,854)	1,862		30,604	13,820
Deferred stock and other activity		(1,418)	174	548		2,185	1,489
Performance awards		(7)	7
Stock option expense			6,462				6,462
Tax reduction - employee plans		12,217					12,217
Dividends ( per share)			(42,785)				(42,785)
Balance at Jul. 31, 2011	443,216		925,542	24,736	40,027	(498,810)	934,711
Comprehensive income
Net earnings			264,301				264,301
Foreign currency translation					(98,723)		(98,723)
Pension liability adjustment, net of deferred taxes					(42,520)		(42,520)
Net gain (loss) on hedging derivatives					(672)		(672)
Comprehensive income							122,386
Treasury stock acquired						(130,233)	(130,233)
Stock options exercised		(9,834)	(5,116)			27,698	12,748
Deferred stock and other activity		(2,158)	312	213		1,926	293
Performance awards			(9)	(1)			(10)
Stock option expense			7,800				7,800
Tax reduction - employee plans		11,992					11,992
Two-for-one Stock split	315,000		(776,369)			461,369	0
Dividends ( per share)			(49,673)				(49,673)
Balance at Jul. 31, 2012	$ 758,216		$ 366,788	$ 24,948	$ (101,888)	$ (138,050)	$ 910,014

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Quarterly Financial Information (Quarterly Financial Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Quarterly Financial Information [Abstract]
Net Sales	$ 656,833	$ 647,237	$ 580,883	$ 608,295	$ 625,450	$ 594,565	$ 537,105	$ 536,909	$ 2,493,248	$ 2,294,029	$ 1,877,064
Gross margin	229,783	228,229	200,817	214,934	227,005	209,158	189,543	188,090	873,763	813,796	658,748
Net earnings	$ 70,981	$ 70,946	$ 53,821	$ 68,553	$ 65,767	$ 61,811	$ 44,579	$ 53,134	$ 264,301	$ 225,291	$ 166,163
Basic earnings per share	$ 0.47	$ 0.47	$ 0.36	$ 0.46	$ 0.43	$ 0.40	$ 0.29	$ 0.34	$ 1.76	$ 1.46	$ 1.07
Diluted earnings per share	$ 0.47	$ 0.46	$ 0.35	$ 0.45	$ 0.42	$ 0.39	$ 0.28	$ 0.34	$ 1.73	$ 1.43	$ 1.05
Dividends declared per share	$ 0.090	$ 0.090	$ 0.080	$ 0.075	$ 0.150		$ 0.130		$ 0.335	$ 0.28	$ 0.24
Dividends paid per share	$ 0.090	$ 0.080	$ 0.075	$ 0.075	$ 0.075	$ 0.065	$ 0.065	$ 0.063

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Employee Benefit Plans (Components Of Net Periodic Pension Costs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Employee Benefit Plans [Abstract]
Service cost	$ 15,464	$ 16,148	$ 13,184
Interest cost	19,436	19,440	19,445
Expected return on assets	(28,114)	(27,538)	(28,390)
Transition amount amortization	216	225	226
Prior service cost amortization	509	449	293
Actuarial loss amortization	5,696	3,962	2,864
Net periodic benefit cost	$ 13,207	$ 12,686	$ 7,622

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Income Taxes (Tables)

12 Months Ended

Jul. 31, 2012

Income Taxes [Abstract]

Components Of Earnings Before Income Taxes

	2012		2011		2010
	(thousands of dollars)
Earnings before income taxes:
United States	$	171,101	$	117,562	$	85,987
Foreign		199,679		194,701		144,189
Total	$	370,780	$	312,263	$	230,176

Components Of The Provision For Income Taxes

	2012			2011			2010
	(thousands of dollars)
Income taxes:
Current
Federal	$	45,468		$	26,675		$	25,455
State		4,012			3,555			2,206
Foreign		50,655			54,785			33,327
		100,135			85,015			60,988
Deferred
Federal		7,391			8,556			3,860
State		722			191			20
Foreign		(1,769	)		(6,790	)		(855	)
		6,344			1,957			3,025
Total	$	106,479		$	86,972		$	64,013

Schedule Of Reconciliation Of U.S. Statutory Income Tax Rate With Effective Income Tax Rate

	2012			2011			2010
Statutory U.S. federal rate		35.0	%		35.0	%		35.0	%
State income taxes		1.2			1.0			0.8
Foreign taxes at lower rates		(6.0	)		(6.6	)		(8.2	)
Export, manufacturing and research credits		(1.0	)		(1.6	)		(0.9	)
U.S. tax impact on repatriation of earnings		0.8			(0.3	)		0.1
Change in unrecognized tax benefits		(1.0	)		0.1			1.2
Other		(0.3	)		0.3			(0.2	)
		28.7	%		27.9	%		27.8	%

Schedule Of Temporary Differences That Give Rise To Deferred Tax Assets And Liabilities

	2012			2011
	(thousands of dollars)
Deferred tax assets:
Accrued expenses	$	10,666		$	12,243
Compensation and retirement plans		52,986			33,298
Tax credit and NOL carryforwards		723			1,173
Inventory reserves		7,482			9,545
Other		3,262			3,311
Deferred tax assets:		75,119			59,570
Valuation allowance		(522	)		(692	)
Net deferred tax assets		74,597			58,878
Deferred tax liabilities:
Depreciation and amortization		(38,796	)		(37,112	)
Other		(394	)		(1,119	)
Deferred tax liabilities		(39,190	)		(38,231	)
Net deferred tax asset	$	35,407		$	20,647

Schedule Of Reconciliation Of Beginning And Ending Amount Of Gross Unrecognized Tax Benefits

	2012			2011			2010
	(thousands of dollars)
Gross unrecognized tax benefits at beginning of fiscal year	$	20,005		$	18,994		$	16,928
Additions for tax positions of the current year		3,323			7,406			3,122
Additions for tax positions of prior years		261			668			470
Reductions for tax positions of prior years		(333	)		(164	)		(179	)
Settlements		(4,129	)		(3,895	)		—
Reductions due to lapse of applicable statue of limitations		(2,613	)		(3,004	)		(1,347	)
Gross unrecognized tax benefits at end of fiscal year	$	16,514		$	20,005		$	18,994

Schedule Of Tax Years Affecting Uncertain Tax Positions By Major Tax Jurisdictions

Major Jurisdictions	Open Tax Years
Belgium	2010 through 2011
China	2002 through 2011
France	2009 through 2011
Germany	2009 through 2011
Italy	2003 through 2011
Japan	2009 through 2011
Mexico	2006 through 2011
Thailand	2005 through 2011
United Kingdom	2011
United States	2011

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Employee Benefit Plans (Fair Value Of Assets Held By International Pension Plans) (Details) (International Assets [Member], USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2009
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 113,300	$ 108,200	$ 87,200
Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	37,100	33,500	26,800
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	34,300	26,500	20,700
Equity/Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	35,100	41,700	34,200
Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	6,800	6,500	5,500
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	56,300	48,900	39,300
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	37,100	33,500	26,800
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	5,900
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Equity/Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	13,300	15,400	12,500
Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	35,200	33,000	26,200
Significant Other Observable Inputs (Level 2) [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	28,400	26,500	20,700
Significant Other Observable Inputs (Level 2) [Member] | Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	6,800	6,500	5,500
Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	21,800	26,300	21,700
Significant Unobservable Inputs (Level 3) [Member] | Equity/Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 21,800	$ 26,300	$ 21,700	$ 23,100

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Commitments And Contingencies

12 Months Ended

Jul. 31, 2012

Commitments And Contingencies [Abstract]

Commitments And Contingencies

NOTE O Commitments and Contingencies

          Operating Leases The Company enters into operating leases primarily for office and warehouse facilities, production and non-production equipment, automobiles, and computer equipment. Total expense recorded under operating leases for the periods ended July 31, 2012 and 2011 were $26.8 million and $24.3 million, respectively. Future commitments under operating leases are: $11.8 million in Fiscal 2013, $7.7 million in Fiscal 2014, $4.1 million in Fiscal 2015, $1.7 million in Fiscal 2016, $0.8 million in Fiscal 2017, and $0.4 million thereafter.

          Litigation The Company records provisions with respect to identified claims or lawsuits when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. Claims and lawsuits are reviewed quarterly and provisions are taken or adjusted to reflect the status of a particular matter. The Company believes the recorded reserves in its consolidated financial statements are adequate in light of the probable and estimable outcomes. The recorded liabilities were not material to the Company's financial position, results of operations, or liquidity and the Company does not believe that any of the currently identified claims or litigation will materially affect its financial position, results of operations, or liquidity.

          The Company has reached a preliminary agreement to settle the class action lawsuits filed in 2008 alleging that 12 filter manufacturers, including the Company, engaged in a conspiracy to fix prices, rig bids, and allocate U.S. Customers for aftermarket automotive filters. The U.S. cases have been consolidated into a single multi-district litigation in the Northern District of Illinois. The Company denies any liability and has vigorously defended the claims raised in these lawsuits. The settlement will fully resolve all claims brought against the Company in the lawsuits and the Company does not admit any liability or wrongdoing. The settlement is still subject to Court approval and will not have a material impact on the Company's financial position, results of operations, or liquidity.

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Segment Reporting (Tables)

12 Months Ended

Jul. 31, 2012

Segment Reporting [Abstract]

Summary Of Segment Detail

	Engine Products		Industrial Products		Corporate & Unallocated			Total Company
	(thousands of dollars)
2012
Net sales	$	1,570,140	$	923,108	$	—		$	2,493,248
Depreciation and amortization		36,646		18,852		5,667			61,165
Equity earnings in unconsolidated affiliates		3,966		769		—			4,735
Earnings before income taxes		227,941		149,249		(6,410	)		370,780
Assets		845,176		520,739		364,167			1,730,082
Equity investments in unconsolidated affiliates		17,304		2,822		—			20,126
Capital expenditures, net of acquired businesses		46,816		24,083		7,240			78,139
2011
Net sales	$	1,440,495	$	853,534	$	—		$	2,294,029
Depreciation and amortization		36,338		19,396		4,757			60,491
Equity earnings in unconsolidated affiliates		3,302		803		—			4,105
Earnings before income taxes		211,255		123,871		(22,863	)		312,263
Assets		888,080		519,730		318,283			1,726,093
Equity investments in unconsolidated affiliates		16,619		2,558		—			19,177
Capital expenditures, net of acquired businesses		36,423		19,442		4,768			60,633
2010
Net sales	$	1,126,007	$	751,057	$	—		$	1,877,064
Depreciation and amortization		33,433		20,935		4,864			59,232
Equity earnings in unconsolidated affiliates		1,859		160		—			2,019
Earnings before income taxes		155,833		91,084		(16,741	)		230,176
Assets		702,300		477,154		320,052			1,499,506
Equity investments in unconsolidated affiliates		14,860		625		—			15,485
Capital expenditures, net of acquired businesses		24,355		15,250		3,544			43,149

Net Sales By Product Within The Engine Products Segment And Industrial Products Segment

	2012		2011		2010
	(thousands of dollars)
Engine Products segment:
Off-Road Products	$	376,870	$	327,557	$	222,329
On-Road Products		163,934		127,107		81,874
Aftermarket Products*		907,306		861,393		691,899
Retrofit Emissions Products		15,354		19,555		17,928
Aerospace and Defense Products		106,676		104,883		111,977
Total Engine Products segment		1,570,140		1,440,495		1,126,007
Industrial Products segment:
Industrial Filtration Solutions Products		553,453		507,646		423,050
Gas Turbine Products		180,669		154,726		150,131
Special Applications Products		188,986		191,162		177,876
Total Industrial Products segment		923,108		853,534		751,057
Total Company	$	2,493,248	$	2,294,029	$	1,877,064

*Includes replacement part sales to the Company's OEM Customers.

Geographic Sales By Origination And Property, Plant And Equipment

	Net Sales		Property, Plant & Equipment - Net
	(thousands of dollars)
2012
United States	$	1,064,474	$	146,328
Europe		678,619		114,266
Asia - Pacific		572,163		80,200
Other		177,992		44,115
Total	$	2,493,248	$	384,909
2011
United States	$	941,218	$	141,584
Europe		653,275		131,739
Asia - Pacific		540,874		81,035
Other		158,662		37,144
Total	$	2,294,029	$	391,502
2010
United States	$	745,400	$	139,717
Europe		545,803		122,646
Asia - Pacific		460,470		72,950
Other		125,391		30,579
Total	$	1,877,064	$	365,892

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Quarterly Financial Information

12 Months Ended

Jul. 31, 2012

Quarterly Financial Information [Abstract]

Quarterly Financial Information

NOTE Q  Quarterly Financial Information (Unaudited)

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
	(In thousands)
2012
Net sales	$	608,295	$	580,883	$	647,237	$	656,833
Gross margin		214,934		200,817		228,229		229,783
Net earnings		68,553		53,821		70,946		70,981
Basic earnings per share		0.46		0.36		0.47		0.47
Diluted earnings per share		0.45		0.35		0.46		0.47
Dividends declared per share		0.075		0.080		0.090		0.090
Dividends paid per share		0.075		0.075		0.080		0.090
2011
Net sales	$	536,909	$	537,105	$	594,565	$	625,450
Gross margin		188,090		189,543		209,158		227,005
Net earnings		53,134		44,579		61,811		65,767
Basic earnings per share		0.34		0.29		0.40		0.43
Diluted earnings per share		0.34		0.28		0.39		0.42
Dividends declared per share		—		0.130		—		0.150
Dividends paid per share		0.063		0.065		0.065		0.075

Note: the above table reflects the impact of the two-for-one stock split that occurred on March 23, 2012.

The first quarter of Fiscal 2011 included restructuring charges after-tax of $0.6 million or $0.01 per share.

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Shareholders' Equity (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 31, 2012
Class of Stock [Line Items]
Acquirement minimum of outstanding common stock	15.00%
Expiration date of redeemable rights	March 2, 2016
Common stock under stock repurchase plan	16.0
Remaining authorization to repurchase under stock repurchase plan, shares	5.6
Redeemable value per each right	$ 0.001
Series A Junior Participating Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, price per one one-thousandth preferred share	$ 143.00

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Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) (USD $)	3 Months Ended						12 Months Ended
	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Jan. 31, 2011	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Consolidated Statements Of Changes In Shareholders' Equity [Abstract]
Dividends, per share	$ 0.090	$ 0.090	$ 0.080	$ 0.075	$ 0.150	$ 0.130	$ 0.335	$ 0.28	$ 0.24

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Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Assets
Cash and cash equivalents	$ 225,789	$ 273,494
Short-term investments	92,362
Accounts receivable, less allowance of $6,418 and $6,908	438,796	445,700
Inventories, net	256,116	271,476
Deferred income taxes	25,158	29,805
Prepaids and other current assets	47,441	46,107
Total current assets	1,085,662	1,066,582
Property, plant and equipment, net	384,909	391,502
Goodwill	162,949	171,741
Intangible assets, net	46,200	53,496
Other assets	50,362	42,772
Total assets	1,730,082	1,726,093
Liabilities and shareholders' equity
Short-term borrowings	95,147	13,129
Current maturities of long-term debt	2,346	47,871
Trade accounts payable	199,182	215,918
Accrued employee compensation and related taxes	80,550	86,974
Accrued liabilities	49,242	64,008
Other current liabilities	72,056	68,344
Total current liabilities	498,523	496,244
Long-term debt	203,483	205,748
Deferred income taxes	4,611	11,196
Other long-term liabilities	113,451	78,194
Total liabilities	820,068	791,382
Commitments and contingencies (Note O)
Shareholders' equity
Preferred stock, $1.00 par value, 1,000,000 shares authorized, none issued
Common stock, $5.00 par value, 240,000,000 shares authorized, 151,643,194 shares and 88,643,194 shares issued in 2012 and 2011, respectively	758,216	443,216
Retained earnings	366,788	925,542
Stock compensation plans	24,948	24,736
Accumulated other comprehensive income (loss)	(101,888)	40,027
Treasury stock at cost, 3,980,832 and 13,245,864 shares in 2012 and 2011, at cost	(138,050)	(498,810)
Total shareholders' equity	910,014	934,711
Total liabilities and shareholders' equity	$ 1,730,082	$ 1,726,093

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Stock Option Plans

12 Months Ended

Jul. 31, 2012

Stock Option Plans [Abstract]

Stock Option Plans

NOTE J  Stock Option Plans

Employee Incentive Plans In November 2010 shareholders approved the 2010 Master Stock Incentive Plan (the "Plan") that replaced the 2001 Plan that was scheduled to expire on December 31, 2010 and provided for similar awards. The Plan extends through September 2020 and allows for the granting of nonqualified stock options, incentive stock options, restricted stock, restricted stock units, stock appreciation rights ("SAR"), dividend equivalents, and other stock-based awards. Options under the Plan are granted to key employees at market price at the date of grant. Options are exercisable for up to 10 years from the date of grant. The Plan also allows for the granting of performance awards to a limited number of key executives. As administered by the Human Resources Committee of the Company's Board of Directors, these performance awards are payable in common stock and are based on a formula which measures performance of the Company over a three-year period. Performance award expense under these plans totaled $1.9 million in Fiscal 2012 and $1.8 million in Fiscal 2011.

Stock options issued from Fiscal 2002 to Fiscal 2012 become exercisable for non-executives in equal increments over three years. Stock options issued in Fiscal 2012 and Fiscal 2011 become exercisable for executives in equal increments over three years. Stock options issued from Fiscal 2002 to Fiscal 2010 became exercisable for most executives immediately upon the date of grant. Certain other stock options issued to executives during Fiscal 2004, 2006, and 2007 became exercisable in equal increments over three years. For Fiscal 2012, the Company recorded pretax compensation expense associated with stock options of $7.8 million and recorded $2.5 million of related tax benefit. For Fiscal 2011 and 2010, the Company recorded pretax compensation expense associated with stock options of $6.5 million and $6.9 million, respectively, and $2.1 million and $2.4 million, respectively, of related tax benefit.

Stock-based employee compensation cost is recognized using the fair-value based method. The Company determined the fair value of these awards using the Black-Scholes option pricing model, with the following weighted average assumptions:

	2012			2011			2010
Risk - free interest rate		<0.11 - 1.8	%		<0.12 - 3.1	%		< 0.01 - 3.9	%
Expected volatility		25.8 - 31.9	%		25.5 - 34.7	%		24.4 - 32.3	%
Expected dividend yield		1.0	%		1.0	%		1.0	%
Expected life
Director original grants without reloads		8 years			8 years			8 years
Non - officer original grants		7 years			8 years			7 - 8 years
Officer original grants with reloads		—			—			4 years
Reload grants		<8 years			<8 years			<8 years
Officer original grants without reloads		8 years			8 years			8 years

Black-Scholes is a widely accepted stock option pricing model; however, the ultimate value of stock options granted will be determined by the actual lives of options granted and the actual future price levels of the Company's common stock. The weighted average fair value for options granted during Fiscal 2012, 2011, and 2010 is $9.37, $8.63, and $6.62 per share, respectively, using the Black-Scholes pricing model.

Reload grants are grants made to officers or directors who exercised a reloadable option during the fiscal year and made payment of the purchase price using shares of previously owned Company stock. The reload grant is for the number of shares equal to the shares used in payment of the purchase price and/or withheld for minimum tax withholding. Beginning in Fiscal 2011, options no longer have a reload provision for Officers and Directors.

The following table summarizes stock option activity:

	Options Outstanding			Weighted Average Exercise Price
Outstanding at July 31, 2009		9,996,250		$	13.47
Granted		1,287,948			21.21
Exercised		(1,697,980	)		10.42
Canceled		(42,594	)		20.97
Outstanding at July 31, 2010		9,543,624			15.02
Granted		1,103,202			28.61
Exercised		(2,243,502	)		11.55
Canceled		(15,330	)		23.60
Outstanding at July 31, 2011		8,387,994			17.72
Granted		1,082,979			34.76
Exercised		(1,379,827	)		11.90
Canceled		(34,819	)		27.45
Outstanding at July 31, 2012		8,056,327			20.97

The total intrinsic value of options exercised during Fiscal 2012, 2011, and 2010 was $29.5 million, $34.2 million, and $19.5 million, respectively.

Shares reserved at July 31, 2012 for outstanding options and future grants were 15,288,416. Shares reserved consist of shares available for grant plus all outstanding options. Upon shareholder approval of the 2010 Master Stock Incentive Plan, 9,200,000 shares were added to shares reserved.

The following table summarizes information concerning outstanding and exercisable options as of July 31, 2012:

Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$8.89 to $12.89		559,800		0.75	$	9.99		559,800	$	9.99
$12.90 to $16.89		2,430,944		2.34		15.53		2,430,944		15.53
$16.90 to $20.89		1,476,801		5.32		17.84		1,465,291		17.85
$20.90 to $24.89		1,541,740		6.67		21.78		1,371,437		21.86
$24.90 and above		2,047,042		8.61		32.08		423,458		30.07
		8,056,327		5.20		20.97		6,250,930		17.95

At July 31, 2012, the aggregate intrinsic value of shares outstanding and exercisable was $116.7 million and $109.4 million, respectively.

The following table summarizes the status of options which contain vesting provisions:

	Options			Weighted Average Grant Date Fair Value
Non - vested at July 31, 2011		1,385,750		$	8.45
Granted		1,004,500			9.63
Vested		(550,868	)		8.06
Canceled		(33,985	)		8.42
Non - vested at July 31, 2012		1,805,397			9.22

The total fair value of shares vested during Fiscal 2012, 2011, and 2010 was $19.5 million, $10.5 million, and $8.0 million, respectively.

As of July 31, 2012, there was $8.1 million of total unrecognized compensation cost related to non-vested stock options granted under the Plan. This unvested cost is expected to be recognized during Fiscal 2013, Fiscal 2014, and Fiscal 2015.

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Quarterly Financial Information (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended
	Oct. 31, 2010
Quarterly Financial Information [Abstract]
Restructuring charges after-tax, amount	$ 0.6
Restructuring charges after-tax, per share	$ 0.01

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Restructuring (Reconciliation Of Restructuring Reserves) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2009
Restructuring [Abstract]
Beginning Balance	$ 4,139	$ 3,840
Accruals for restructuring during the reporting period	759	8,023	17,755
Less settlements made during the period	(4,898)	(7,724)	(13,915)
Ending Balance		$ 4,139	$ 3,840

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Document And Entity Information (USD $)	12 Months Ended
	Jul. 31, 2012	Aug. 31, 2012	Jan. 27, 2012
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jul. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY
Entity Registrant Name	DONALDSON CO INC
Entity Central Index Key	0000029644
Current Fiscal Year End Date	--07-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		147,576,674
Entity Well-known Seasoned Issuer	Yes
Entity Public Float			$ 5,280,285,517
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No

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Income Taxes

12 Months Ended

Jul. 31, 2012

Income Taxes [Abstract]

Income Taxes

NOTE K  Income Taxes

The components of earnings before income taxes are as follows:

	2012		2011		2010
	(thousands of dollars)
Earnings before income taxes:
United States	$	171,101	$	117,562	$	85,987
Foreign		199,679		194,701		144,189
Total	$	370,780	$	312,263	$	230,176

The components of the provision for income taxes are as follows:

	2012			2011			2010
	(thousands of dollars)
Income taxes:
Current
Federal	$	45,468		$	26,675		$	25,455
State		4,012			3,555			2,206
Foreign		50,655			54,785			33,327
		100,135			85,015			60,988
Deferred
Federal		7,391			8,556			3,860
State		722			191			20
Foreign		(1,769	)		(6,790	)		(855	)
		6,344			1,957			3,025
Total	$	106,479		$	86,972		$	64,013

The following table reconciles the U.S. statutory income tax rate with the effective income tax rate:

	2012			2011			2010
Statutory U.S. federal rate		35.0	%		35.0	%		35.0	%
State income taxes		1.2			1.0			0.8
Foreign taxes at lower rates		(6.0	)		(6.6	)		(8.2	)
Export, manufacturing and research credits		(1.0	)		(1.6	)		(0.9	)
U.S. tax impact on repatriation of earnings		0.8			(0.3	)		0.1
Change in unrecognized tax benefits		(1.0	)		0.1			1.2
Other		(0.3	)		0.3			(0.2	)
		28.7	%		27.9	%		27.8	%

The tax effects of temporary differences that give rise to deferred tax assets and liabilities are as follows:

	2012			2011
	(thousands of dollars)
Deferred tax assets:
Accrued expenses	$	10,666		$	12,243
Compensation and retirement plans		52,986			33,298
Tax credit and NOL carryforwards		723			1,173
Inventory reserves		7,482			9,545
Other		3,262			3,311
Deferred tax assets:		75,119			59,570
Valuation allowance		(522	)		(692	)
Net deferred tax assets		74,597			58,878
Deferred tax liabilities:
Depreciation and amortization		(38,796	)		(37,112	)
Other		(394	)		(1,119	)
Deferred tax liabilities		(39,190	)		(38,231	)
Net deferred tax asset	$	35,407		$	20,647

The effective tax rate for Fiscal 2012 was 28.7 percent compared to 27.9 percent in Fiscal 2011. The increase in effective tax rate is primarily due to an unfavorable shift in the mix of earnings between tax jurisdictions, which increased the underlying average tax rate over the prior year to 30.8 percent from 29.7 percent. The increase in the underlying average tax rate was partially offset by incremental discrete benefits resulting in Fiscal 2012. Fiscal 2012 contained $7.7 million of discrete tax benefits from the favorable settlements of tax audits, the expiration of statutes in various jurisdictions and other discrete items. Fiscal 2011 contained $5.8 million of discrete tax benefits primarily from the release of reserves after the favorable conclusions of foreign tax audits, the expiration of statutes in various jurisdictions, and the favorable impact of dividends from some foreign subsidiaries.

The Company has not provided for U.S. income taxes on additional undistributed earnings of non-U.S. subsidiaries of approximately $756.0 million. The Company currently intends to indefinitely reinvest these undistributed earnings overseas as there are significant investment opportunities there or to repatriate the earnings only when it is tax effective to do so. If any portion were to be distributed, the related U.S. tax liability may be reduced by foreign income taxes paid on those earnings plus any available foreign tax credit carryovers. Determination of the unrecognized deferred tax liability related to these undistributed earnings is not practicable.

The Company has cumulative pre-tax loss carryforwards of $2.7 million, which exist in various international subsidiaries. If fully realized, the unexpired net operating losses may be carried forward to offset future local income tax payments of $0.7 million, at current rates of tax. Approximately 5 percent of these net operating losses expire within the next three years, while the majority of the remaining net operating loss carryforwards expire more than 5 years out or have no statutory expiration under current local laws. However, as it is more-likely-than-not that certain of these losses will not be realized, a valuation allowance of $0.5 million exists as of July 31, 2012.

The Company maintains a reserve for uncertain tax benefits. The accounting standard defines the threshold for recognizing the benefits of tax return positions in the financial statements as "more-likely-than-not" to be sustained by the taxing authorities based solely on the technical merits of the position. If the recognition threshold is met, the tax benefit is measured and recognized as the largest amount of tax benefit that in the Company's judgment is greater than 50 percent likely to be realized. A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows:

	2012			2011			2010
	(thousands of dollars)
Gross unrecognized tax benefits at beginning of fiscal year	$	20,005		$	18,994		$	16,928
Additions for tax positions of the current year		3,323			7,406			3,122
Additions for tax positions of prior years		261			668			470
Reductions for tax positions of prior years		(333	)		(164	)		(179	)
Settlements		(4,129	)		(3,895	)		—
Reductions due to lapse of applicable statue of limitations		(2,613	)		(3,004	)		(1,347	)
Gross unrecognized tax benefits at end of fiscal year	$	16,514		$	20,005		$	18,994

The Company recognizes interest and penalties accrued related to unrecognized tax benefits in income tax expense. During the fiscal year ended July 31, 2012, the Company recognized interest expense, net of tax benefit, of approximately $0.3 million. At July 31, 2012 and July 31, 2011, accrued interest and penalties on a gross basis were $1.3 million and $1.5 million, respectively.

The Company's uncertain tax positions are affected by the tax years that are under audit or remain subject to examination by the relevant taxing authorities. The following tax years, in addition to the current year, remain subject to examination, at least for certain issues, by the major tax jurisdictions indicated:

Major Jurisdictions	Open Tax Years
Belgium	2010 through 2011
China	2002 through 2011
France	2009 through 2011
Germany	2009 through 2011
Italy	2003 through 2011
Japan	2009 through 2011
Mexico	2006 through 2011
Thailand	2005 through 2011
United Kingdom	2011
United States	2011

If the Company were to prevail on all unrecognized tax benefits recorded, substantially all of the unrecognized tax benefits would benefit the effective tax rate. With an average statute of limitations of about 5 years, up to $2.1 million of the unrecognized tax benefits could potentially expire in the next 12 month period, unless extended by audit. It is possible that quicker than expected settlement of either current or future audits and disputes would cause additional reversals of previously recorded reserves in the next 12 month period. Currently, the Company has approximately $0.2 million of unrecognized tax benefits that are in formal dispute with various taxing authorities related to transfer pricing and deductibility of expenses. Quantification of an estimated range and timing of future audit settlements cannot be made at this time.

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Income Taxes (Schedule Of Reconciliation Of Beginning And Ending Amount Of Gross Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Income Taxes [Abstract]
Gross unrecognized tax benefits at beginning of fiscal year	$ 20,005	$ 18,994	$ 16,928
Additions for tax positions of the current year	3,323	7,406	3,122
Additions for tax positions of prior years	261	668	470
Reductions for tax positions of prior years	(333)	(164)	(179)
Settlements	(4,129)	(3,895)
Reductions due to a lapse of applicable statute of limitations	(2,613)	(3,004)	(1,347)
Gross unrecognized tax benefits at end of fiscal year	$ 16,514	$ 20,005	$ 18,994

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Restructuring (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			12 Months Ended
	Jul. 31, 2010 employee	Jul. 31, 2009 employee	Apr. 30, 2012 employee	Jul. 31, 2011 Industrial Products Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs in response to the downturn in the worldwide economy				$ 0.7
Number of employees terminated	550	2,800	5
Asset impairment costs	2.1
Employee severance costs		17.3
Distribution center consolidation and production line transfers	$ 0.5

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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance	$ 6,418	$ 6,908
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 5	$ 5
Common stock, shares authorized	240,000,000	240,000,000
Common stock, shares issued	151,643,194	88,643,194
Treasury stock, shares	3,980,832	13,245,864

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Long-Term Debt

12 Months Ended

Jul. 31, 2012

Long-Term Debt [Abstract]

Long-Term Debt

NOTE E  Long-Term Debt

Long-term debt consists of the following:

	2012		2011
	(thousands of dollars)
4.85% Unsecured senior notes, interest payable semi-annually.
This note was repaid on December 17, 2011.		—		30,000
6.59% Unsecured senior notes, interest payable semi-annually,
principal payment of $80.0 million due November 14, 2013		80,000		80,000
5.48% Unsecured senior notes, interest payable semi-annually,
principal payment of $50.0 million due June 1, 2017		50,000		50,000
5.48% Unsecured senior notes, interest payable semi-annually,
principal payment of $25.0 million due September 28, 2017		25,000		25,000
5.48% Unsecured senior notes, interest payable semi-annually,
principal payment of $25.0 million due November 30, 2017		25,000		25,000
1.418% Guaranteed senior notes, interest payable semi-annually.
This note was repaid on January 31, 2012.		—		15,595
2.019% Guaranteed senior note, interest payable semi-annually,
principal payment of ¥1.65 billion due May 18, 2014		21,117		21,442
Capitalized lease obligations and other, with various maturity dates and interest rates		774		796
Terminated interest rate swap contracts		3,938		5,786
Total		205,829		253,619
Less current maturities		2,346		47,871
Total long-term debt	$	203,483	$	205,748

Annual maturities of long-term debt are $0.5 million in 2013, $101.4 million in 2014, $50.0 million in 2017, and $50.0 million thereafter. There are no maturities in 2015 or 2016. As of July 31, 2012, the estimated fair value of long-term debt with fixed interest rates was $223.5 million compared to its carrying value of $201.1 million. On December 17, 2011, the Company paid off its 4.85 percent Unsecured senior note for $30.0 million. On January 31, 2012, the Company paid off its 1.418 percent Guaranteed senior note for ¥1.2 billion, or $15.4 million.

Certain note agreements contain debt covenants related to working capital levels and limitations on indebtedness. As of July 31, 2012, the Company was in compliance with all such covenants. The Company expects to remain in compliance with these covenants.

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Credit Facilities

12 Months Ended

Jul. 31, 2012

Credit Facilities [Abstract]

Credit Facilities

NOTE D  Credit Facilities

The Company has a five-year, multi-currency revolving facility with a group of banks under which the Company may borrow up to $250 million. This facility matures on April 2, 2013. The agreement provides that loans may be made under a selection of currencies and rate formulas including Base Rate Advances or Off Shore Rate Advances. The interest rate on each advance is based on certain market interest rates and leverage ratios. Facility fees and other fees on the entire loan commitment are payable over the duration of this facility. There was $80.0 million outstanding at July 31, 2012 and nothing outstanding at July 31, 2011. At July 31, 2012 and 2011, $159.1 million and $238.6 million, respectively, were available for further borrowing under such facilities. The amount available for further borrowing reflects a reduction for issued standby letters of credit, as discussed below. The weighted average interest rate on these short-term borrowings outstanding at July 31, 2012 was 0.4 percent. The Company's multi-currency revolving facility contains debt covenants specifically related to maintaining a certain interest coverage ratio and a certain leverage ratio as well as other covenants that under certain circumstances can restrict the Company's ability to incur additional indebtedness, make investments and other restricted payments, create liens, and sell assets. As of July 31, 2012, the Company was in compliance with all such covenants. The Company does anticipate refinancing this revolving credit facility during Fiscal 2013.

Certain note agreements contain debt covenants related to working capital levels and limitations on indebtedness. As of July 31, 2012, the Company was in compliance with all such covenants. The Company expects to remain in compliance with these covenants.

The Company has two uncommitted credit facilities in the United States, which provide unsecured borrowings for general corporate purposes. At July 31, 2012 and 2011, there was $41.3 million and $56.9 million available for use. There was $8.7 million outstanding at July 31, 2012 and $13.1 million outstanding at July 31, 2011. The weighted average interest rate on these short-term borrowings outstanding at July 31, 2012 and 2011 was 1.0 percent and 0.9 percent, respectively.

The Company has a €100 million, or $123.1 million, program for issuing treasury notes for raising short, medium, and long-term financing for its European operations. There was nothing outstanding on this program at July 31, 2012 or 2011. Additionally, the Company's European operations have lines of credit with an available limit of €43.6 million or $53.7 million. There was nothing outstanding on these lines of credit as of July 31, 2012 or 2011.

Other international subsidiaries may borrow under various credit facilities. There was $6.4 million outstanding under these credit facilities as of July 31, 2012, and nothing outstanding as of July 31, 2011. The weighted average interest rate on these short-term borrowings outstanding at July 31, 2012, was 0.5 percent.

As discussed further in Note M, at July 31, 2012 and 2011, the Company had outstanding standby letters of credit totaling $10.9 million and $11.4 million, respectively, upon which no amounts had been drawn. The letters of credit guarantee payment to third parties in the event the Company is in breach of insurance contract terms as detailed in each letter of credit.

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Restructuring

12 Months Ended

Jul. 31, 2012

Restructuring [Abstract]

Restructuring

NOTE P  Restructuring

The following is a reconciliation of restructuring reserves (in thousands of dollars):

Balance at July 31, 2008	$	—
Accruals for restructuring during the reporting period		17,755
Less settlements made during the period		(13,915	)
Balance at July 31, 2009	$	3,840
Accruals for restructuring during the reporting period		8,023
Less settlements made during the period		(7,724	)
Balance at July 31, 2010	$	4,139
Accruals for restructuring during the reporting period		759
Less settlements made during the period		(4,898	)
Balance at July 31, 2011	$	—

Certain restructuring actions commenced in Fiscal 2009 in response to the dramatic downturn in the worldwide economy and these actions and related costs carried over into Fiscal 2010 and Fiscal 2011. In Fiscal 2011, the Engine Products segment incurred minimal restructuring expenses and Industrial Products segment incurred $0.7 million in restructuring expenses. The restructuring expenses in Fiscal 2011 include employee severance costs for approximately five employees related to the completion of the Company's planned restructuring activities. There was no restructuring activity during Fiscal 2012.

The fiscal 2010 costs were employee severance costs related to the reduction in workforce of approximately 550 employees. In addition to these restructuring costs, the Company recorded $2.1 million in asset impairment costs related to the downsizing of a plant in Germany. Fiscal 2009 included $17.3 million in employee severance costs related to the reduction in workforce of approximately 2,800 employees. In addition, $0.5 million was incurred primarily for distribution center consolidation and production line transfers.

Restructuring and asset impairment expense detail is summarized as follows (in thousands):

	Fiscal Year
	2012		2011		2010
Gross Margin	$	—	$	20	$	7,488
Operating expenses		—		739		2,677
Total restructuring and asset impairment expenses	$	—	$	759	$	10,165

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Segment Reporting

12 Months Ended

Jul. 31, 2012

Segment Reporting [Abstract]

Segment Reporting

NOTE L  Segment Reporting

Consistent with FASB guidance related to segment reporting, the Company identified two reportable segments: Engine Products and Industrial Products. Segment selection was based on the internal organizational structure, management of operations, and performance evaluation by management and the Company's Board of Directors.

The Engine Products segment sells to OEMs in the construction, mining, agriculture, aerospace, defense, and truck markets and to independent distributors, OEM dealer networks, private label accounts, and large equipment fleets. Products include air filtration systems, exhaust and emissions systems, liquid filtration systems including hydraulics, fuel and lube, and replacement filters.

The Industrial Products segment sells to various industrial end-users, OEMs of gas-fired turbines, and OEMs and end-users requiring clean air. Products include dust, fume, and mist collectors, compressed air purification systems, air filtration systems for gas turbines, PTFE membrane-based products, and specialized air and gas filtration systems for applications including computer hard disk drives, and other electronic equipment.

Corporate and Unallocated includes corporate expenses determined to be non-allocable to the segments, interest income, and interest expense. Assets included in Corporate and Unallocated principally are cash and cash equivalents, inventory reserves, certain prepaids, certain investments, other assets, and assets allocated to general corporate purposes.

The Company has an internal measurement system to evaluate performance and allocate resources based on profit or loss from operations before income taxes. The Company's manufacturing facilities serve both reporting segments. Therefore, the Company uses an allocation methodology to assign costs and assets to the segments. A certain amount of costs and assets relate to general corporate purposes and are not assigned to either segment. Certain accounting policies applied to the reportable segments differ from those described in the summary of significant accounting policies. The reportable segments account for receivables on a gross basis and account for inventory on a standard cost basis.

Segment allocated assets are primarily accounts receivable, inventories, property, plant and equipment, and goodwill. Reconciling items included in Corporate and Unallocated are created based on accounting differences between segment reporting and the consolidated, external reporting as well as internal allocation methodologies.

The Company is an integrated enterprise, characterized by substantial intersegment cooperation, cost allocations, and sharing of assets. Therefore, we do not represent that these segments, if operated independently, would report the operating profit and other financial information shown below.

Segment detail is summarized as follows:

	Engine Products		Industrial Products		Corporate & Unallocated			Total Company
	(thousands of dollars)
2012
Net sales	$	1,570,140	$	923,108	$	—		$	2,493,248
Depreciation and amortization		36,646		18,852		5,667			61,165
Equity earnings in unconsolidated affiliates		3,966		769		—			4,735
Earnings before income taxes		227,941		149,249		(6,410	)		370,780
Assets		845,176		520,739		364,167			1,730,082
Equity investments in unconsolidated affiliates		17,304		2,822		—			20,126
Capital expenditures, net of acquired businesses		46,816		24,083		7,240			78,139
2011
Net sales	$	1,440,495	$	853,534	$	—		$	2,294,029
Depreciation and amortization		36,338		19,396		4,757			60,491
Equity earnings in unconsolidated affiliates		3,302		803		—			4,105
Earnings before income taxes		211,255		123,871		(22,863	)		312,263
Assets		888,080		519,730		318,283			1,726,093
Equity investments in unconsolidated affiliates		16,619		2,558		—			19,177
Capital expenditures, net of acquired businesses		36,423		19,442		4,768			60,633
2010
Net sales	$	1,126,007	$	751,057	$	—		$	1,877,064
Depreciation and amortization		33,433		20,935		4,864			59,232
Equity earnings in unconsolidated affiliates		1,859		160		—			2,019
Earnings before income taxes		155,833		91,084		(16,741	)		230,176
Assets		702,300		477,154		320,052			1,499,506
Equity investments in unconsolidated affiliates		14,860		625		—			15,485
Capital expenditures, net of acquired businesses		24,355		15,250		3,544			43,149

Following are net sales by product within the Engine Products segment and Industrial Products segment:

	2012		2011		2010
	(thousands of dollars)
Engine Products segment:
Off-Road Products	$	376,870	$	327,557	$	222,329
On-Road Products		163,934		127,107		81,874
Aftermarket Products*		907,306		861,393		691,899
Retrofit Emissions Products		15,354		19,555		17,928
Aerospace and Defense Products		106,676		104,883		111,977
Total Engine Products segment		1,570,140		1,440,495		1,126,007
Industrial Products segment:
Industrial Filtration Solutions Products		553,453		507,646		423,050
Gas Turbine Products		180,669		154,726		150,131
Special Applications Products		188,986		191,162		177,876
Total Industrial Products segment		923,108		853,534		751,057
Total Company	$	2,493,248	$	2,294,029	$	1,877,064

*Includes replacement part sales to the Company's OEM Customers.

Geographic sales by origination and property, plant and equipment:

	Net Sales		Property, Plant & Equipment - Net
	(thousands of dollars)
2012
United States	$	1,064,474	$	146,328
Europe		678,619		114,266
Asia - Pacific		572,163		80,200
Other		177,992		44,115
Total	$	2,493,248	$	384,909
2011
United States	$	941,218	$	141,584
Europe		653,275		131,739
Asia - Pacific		540,874		81,035
Other		158,662		37,144
Total	$	2,294,029	$	391,502
2010
United States	$	745,400	$	139,717
Europe		545,803		122,646
Asia - Pacific		460,470		72,950
Other		125,391		30,579
Total	$	1,877,064	$	365,892

Concentrations There were no Customers over 10 percent of net sales during Fiscal 2012, 2011, and 2010. There was one Customer over 10 percent of gross accounts receivable in Fiscal 2012 and no customers over 10 percent of gross accounts receivable in Fiscal 2011.

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Segment Reporting (Net Sales By Product Within Engine Products Segment And Industrial Products Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2012		Jul. 31, 2011		Jul. 31, 2010
Segment Reporting Information [Line Items]
Net sales	$ 656,833	$ 647,237	$ 580,883	$ 608,295	$ 625,450	$ 594,565	$ 537,105	$ 536,909	$ 2,493,248		$ 2,294,029		$ 1,877,064
Engine Products [Member]
Segment Reporting Information [Line Items]
Net sales									1,570,140		1,440,495		1,126,007
Industrial Products [Member]
Segment Reporting Information [Line Items]
Net sales									923,108		853,534		751,057
Off-Road Products [Member] | Engine Products [Member]
Segment Reporting Information [Line Items]
Net sales									376,870		327,557		222,329
On-Road Products [Member] | Engine Products [Member]
Segment Reporting Information [Line Items]
Net sales									163,934		127,107		81,874
Aftermarket Products [Member] | Engine Products [Member]
Segment Reporting Information [Line Items]
Net sales									907,306	[1]	861,393	[1]	691,899	[1]
Retrofit Emissions Products [Member] | Engine Products [Member]
Segment Reporting Information [Line Items]
Net sales									15,354		19,555		17,928
Aerospace and Defense Products [Member] | Engine Products [Member]
Segment Reporting Information [Line Items]
Net sales									106,676		104,883		111,977
Industrial Filtration Solutions Products [Member] | Industrial Products [Member]
Segment Reporting Information [Line Items]
Net sales									553,453		507,646		423,050
Gas Turbine Products [Member] | Industrial Products [Member]
Segment Reporting Information [Line Items]
Net sales									180,669		154,726		150,131
Special Applications Products [Member] | Industrial Products [Member]
Segment Reporting Information [Line Items]
Net sales									188,986		191,162		177,876
United States [Member]
Segment Reporting Information [Line Items]
Net sales									1,064,474		941,218		745,400
Europe [Member]
Segment Reporting Information [Line Items]
Net sales									678,619		653,275		545,803
Asia - Pacific [Member]
Segment Reporting Information [Line Items]
Net sales									572,163		540,874		460,470
Other [Member]
Segment Reporting Information [Line Items]
Net sales									$ 177,992		$ 158,662		$ 125,391

[1] Includes replacement part sales to the Company's OEM Customers.

XML

Employee Benefit Plans

12 Months Ended

Jul. 31, 2012

Employee Benefit Plans [Abstract]

Employee Benefit Plans

NOTE H  Employee Benefit Plans

Pension Plans The Company and certain of its international subsidiaries have defined benefit pension plans for many of their hourly and salaried employees. There are two types of U.S. plans. The first type of U.S. plan is a traditional defined benefit pension plan primarily for production employees. The second is a plan for salaried workers that provides defined benefits pursuant to a cash balance feature whereby a participant accumulates a benefit comprised of a percentage of current salary that varies with years of service, interest credits and transition credits. The international plans generally provide pension benefits based on years of service and compensation level.

Net periodic pension costs for the Company's pension plans include the following components:

	2012			2011			2010
	(thousands of dollars)
Net periodic cost:
Service cost	$	15,464		$	16,148		$	13,184
Interest cost		19,436			19,440			19,445
Expected return on assets		(28,114	)		(27,538	)		(28,390	)
Transition amount amortization		216			225			226
Prior service cost amortization		509			449			293
Actuarial loss amortization		5,696			3,962			2,864
Net periodic benefit cost	$	13,207		$	12,686		$	7,622

The obligations and funded status of the Company's pension plans as of 2012 and 2011, is as follows:

	2012			2011
	(thousands of dollars)
Change in benefit obligation:
Benefit obligation, beginning of year	$	404,012		$	377,903
Service cost		15,464			16,148
Interest cost		19,436			19,440
Plan amendments		(781	)		1,639
Participant contributions		1,130			1,058
Actuarial loss		51,914			1,034
Currency exchange rates		(9,689	)		6,936
Benefits paid		(19,994	)		(20,146	)
Benefit obligation, end of year	$	461,492		$	404,012
Change in plan assets:
Fair value of plan assets, beginning of year	$	373,555		$	319,734
Actual return on plan assets		4,442			38,758
Company contributions		37,915			27,655
Participant contributions		1,130			1,058
Currency exchange rates		(9,472	)		6,496
Benefits paid		(19,994	)		(20,146	)
Fair value of plan assets, end of year	$	387,576		$	373,555
Funded status:
Underfunded status at July 31, 2012 and 2011	$	(73,916	)	$	(30,457	)

The net underfunded status of $73.9 million at July 31, 2012 is recognized in the accompanying Consolidated Balance Sheet. Included in Accumulated other comprehensive income (loss) at July 31, 2012 are the following amounts that have not yet been recognized in net periodic pension expense: unrecognized actuarial losses of $202.6 million, unrecognized prior service cost of $3.8 million, and unrecognized transition obligations of $2.4 million. The actuarial loss, prior service cost and unrecognized transition obligation are included in Accumulated other comprehensive income (loss), net of tax. The amounts expected to be recognized in net periodic pension expense during Fiscal 2013 for actuarial loss, prior service cost, and unrecognized transition obligation are $10.3 million, $0.4 million, and $0.2 million, respectively. The accumulated benefit obligation for all defined benefit pension plans was $423.6 million and $365.2 million at July 31, 2012 and 2011, respectively.

The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets were $347.5 million, $335.1 million, and $277.5 million, respectively, as of July 31, 2012, and $294.2 million, $282.3 million, and $262.4 million, respectively, as of July 31, 2011.

For the years ended July 31, 2012 and 2011 the U.S. pension plans represented approximately 71 percent, of the Company's total plan assets, and approximately 74 percent and 72 percent, respectively, of the Company's total projected benefit obligation.

The weighted-average discount rates and rates of increase in future compensation levels used in determining the actuarial present value of the projected benefit obligation are as follows:

Weighted average actuarial assumptions	2012			2011
All U.S. plans:
Discount rate		3.59	%		4.91	%
Rate of compensation increase		2.61	%		4.50	%
Non - U.S. plans:
Discount rate		4.13	%		5.36	%
Rate of compensation increase		2.86	%		3.57	%

The weighted-average discount rates, expected returns on plan assets and rates of increase in future compensation levels used to determine the net periodic benefit cost are as follows:

Weighted average actuarial assumptions	2012			2011			2010
All U.S. plans:
Discount rate		4.91	%		5.25	%		6.00	%
Expected return on plan assets		7.75	%		8.00	%		8.50	%
Rate of compensation increase		4.50	%		5.00	%		5.00	%
Non - U.S. plans:
Discount rate		5.36	%		5.17	%		5.90	%
Expected return on plan assets		6.03	%		6.17	%		6.64	%
Rate of compensation increase		3.57	%		3.69	%		3.87	%

Expected Long-Term Rate of Return To develop the expected long-term rate of return on assets assumption, the Company considered the historical returns and the future expectations for returns for each asset class, as well as the target asset allocation of the pension portfolio. As of our measurement date of July 31, 2012, the Company decreased its long-term rate of return for the U.S. pension plans to 7.50 percent from 7.75 percent as of July 31, 2011. The Company believes that based on the asset mix and the target asset allocation, the 7.50 percent rate is an appropriate rate. This is slightly below the Company's twenty year average but above the five and ten year averages. Thus, the Company will use the 7.50 percent rate for the calculation of its Fiscal 2013 net periodic cost. The expected long-term rate of return on assets assumption for the plans outside the U.S. reflects the investment allocation and expected total portfolio returns specific to each plan and country. The expected long-term rate of return on assets shown in the pension benefit disclosure for non-U.S. plans is an asset-based weighted average of all non-U.S. plans.

Discount Rate The Company's objective in selecting a discount rate is to select the best estimate of the rate at which the benefit obligations could be effectively settled on the measurement date, taking into account the nature and duration of the benefit obligations of the plan. In making this best estimate, the Company looks at rates of return on high-quality fixed-income investments currently available, and expected to be available, during the period to maturity of the benefits. This process includes looking at the universe of bonds available on the measurement date with a quality rating of Aa or better. Similar appropriate benchmarks are used to determine the discount rate for the non-U.S. plans. The discount rate disclosed in the assumptions used to determine net periodic benefit cost and to determine benefit obligations is based upon a weighted average, using year-end projected benefit obligations.

Plan Assets The Company used the following definitions to classify pension assets into either Level 1, Level 2 or Level 3:

Level 1 – Quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

Level 2 – Inputs other than quoted prices available in Level 1 that are observable either directly or indirectly.

Level 3 – Unobservable inputs for the asset or liability.

The fair values of the assets held by the U.S. pension plans by asset category are as follows (in millions):

Asset Category	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
2012
Cash	$	0.9	$	—	$	—	$	0.9
Global Equity Securities		61.5		57.3		0.2		119.0
Fixed Income Securities		29.2		—		—		29.2
Private Equity		—		—		19.1		19.1
Alternative		—		19.5		56.1		75.6
Real Assets		—		—		30.4		30.4
Total U.S. Assets at July 31, 2012	$	91.6	$	76.8	$	105.8	$	274.2
2011
Cash	$	0.3	$	—	$	—	$	0.3
Global Equity Securities		64.8		56.2		0.3		121.3
Fixed Income Securities		36.6		—		—		36.6
Private Equity		—		—		17.6		17.6
Alternative		—		20.1		31.4		51.5
Real Assets		—		—		38.0		38.0
Total U.S. Assets at July 31, 2011	$	101.7	$	76.3	$	87.3	$	265.3
2010
Cash	$	0.9	$	—	$	—	$	0.9
Global Equity Securities		48.7		50.2		2.4		101.3
Fixed Income Securities		17.1		—		—		17.1
Private Equity		—		—		14.8		14.8
Alternative		—		39.4		33.1		72.5
Real Assets		—		9.6		16.3		25.9
Total U.S. Assets at July 31, 2010	$	66.7	$	99.2	$	66.6	$	232.5

Global equity consists of publicly traded U.S. and non-U.S. equities, Australasia, Far East (EAFE) index funds, equity private placement funds, and some cash and cash equivalents. Publicly traded equities are valued at the closing price reported in the active market in which the individual securities are traded. Index funds are valued at the net asset value (NAV) as determined by the custodian of the fund. The NAV is based on the fair value of the underlying assets owned by the fund, minus its liabilities then divided by the number of units outstanding.

Fixed income consists primarily of investment grade debt securities, but may include up to 10% in high yield securities rated B or higher by Moody's or S&P. It may also include up to 20% in securities dominated in foreign currencies. Corporate and other bonds and notes are valued at either the yields currently available on comparable securities of issuers with similar credit ratings or valued under a discounted cash flows approach that maximizes observable inputs, such as current yields of similar instruments, but includes adjustments for certain risks that may not be observable such as credit and liquidity risks.

Private equity consists of interests in partnerships that invest in U.S. and non-U.S. debt and equity securities. The portfolio is a diversified mix of partnership interests including buyouts, distressed debt, growth equity, mezzanine, real estate, and venture capital investments. Partnership interests are valued using the most recent general partner statement of fair value, updated for any subsequent partnership interests' cash flow.

Alternative consists primarily of private partnership interests in hedge funds of funds. Partnership interests are valued using the NAV as determined by the administrator or custodian of the fund.

Real Assets consist of commodity funds, Real Estate Investment Trusts (REITS), and interests in partnerships that invest in private real estate, commodity, and timber investments. Private investments are valued using the most recent partnership statement of fair value, updated for any subsequent partnership interests' cash flows. Commodity funds and REITS are valued at the closing price reported in the active market in which they are traded.

The following table sets forth a summary of changes in the fair values of the U.S. pension plans' Level 3 assets for the years ended July 31, 2012, 2011, and 2010 (in millions):

	Global Equity			Private Equity			Alternative			Real Assets			Total
Beginning balance at August 1, 2009	$	2.7		$	11.4		$	41.4		$	15.5		$	71.0
Unrealized gains		0.1			1.8			2.8			0.1			4.8
Realized gains		—			—			0.7			—			0.7
Purchases, sales, issuances and settlements, net		(0.4	)		1.6			(11.8	)		0.7			(9.9	)
Ending balance at July 31, 2010	$	2.4		$	14.8		$	33.1		$	16.3		$	66.6
Unrealized gains		—			1.5			2.1			3.4			7.0
Realized gains		—			1.0			—			—			1.0
Purchases, sales, issuances and settlements, net		(2.1	)		0.3			(3.8	)		18.3			12.7
Ending balance at July 31, 2011	$	0.3		$	17.6		$	31.4		$	38.0		$	87.3
Unrealized gains		(0.1	)		0.2			(0.3	)		(1.2	)		(1.4	)
Realized gains		0.1			1.4			0.4			—			1.9
Purchases, sales, issuances and settlements, net		(0.1	)		(0.1	)		17.3			0.9			18.0
Net transfers into (out of) level 3		—			—			7.3			(7.3	)		—
Ending balance at July 31, 2012	$	0.2		$	19.1		$	56.1		$	30.4		$	105.8

Fair values of the assets held by the international pension plans by asset category are as follows (in millions):

Asset Category	Quoted Prices in Active Markets for Identical  Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
2012
Global Equity Securities	$	37.1	$	—	$	—	$	37.1
Fixed Income Securities		5.9		28.4		—		34.3
Equity/Fixed Income		13.3		—		21.8		35.1
Real Assets		—		6.8		—		6.8
Total International Assets at July 31, 2012	$	56.3	$	35.2	$	21.8	$	113.3
2011
Global Equity Securities	$	33.5	$	—	$	—	$	33.5
Fixed Income Securities		—		26.5		—		26.5
Equity/Fixed Income		15.4		—		26.3		41.7
Real Assets		—		6.5		—		6.5
Total International Assets at July 31, 2011	$	48.9	$	33.0	$	26.3	$	108.2
2010
Global Equity Securities	$	26.8	$	—	$	—	$	26.8
Fixed Income Securities		—		20.7		—		20.7
Equity/Fixed Income		12.5		—		21.7		34.2
Real Assets		—		5.5		—		5.5
Total International Assets at July 31, 2010	$	39.3	$	26.2	$	21.7	$	87.2

Global equity consists of a fixed weights index fund, used to maintain a fixed 50/50 distribution between UK and overseas assets. Publicly traded equities are valued at the closing price reported in the active market in which the individual securities are traded.

Fixed income consists primarily of investment grade debt securities. Corporate bonds and notes are valued at either the yields currently available on comparable securities of issuers with similar credit ratings or valued under a discounted cash flows approach that maximizes observable inputs, such as current yields of similar instruments, but includes adjustments for certain risks that may not be observable such as credit and liquidity risks.

Equity/Fixed Income consists of Level 1 assets that are part of a unit linked fund with a strategic asset allocation of 40% fixed income products and 60% equity type products. Assets are valued at either the closing price reported if traded on an active market or at yields currently available on comparable securities of issuers with similar credit ratings. Index funds are valued at the net asset value as determined by the custodian of the fund. The Level 3 assets are composed of mathematical reserves on individual contracts and the Company does not have any influence on the investment decisions as made by the insurer due to the specific minimum guaranteed return characteristics of this type of contract. European insurers in general, broadly have a strategic asset allocation with 80%-90% fixed income products and 20%-10% equity type products (including real estate).

Real Assets consists of property funds. Property funds are valued using the most recent partnership statement of fair value, updated for any subsequent partnership interests' cash flows.

The following table sets forth a summary of changes in the fair values of the International pension plans' Level 3 assets for the year ended July 31, 2012, 2011, and 2010 (in millions):

	Equity/Fixed Income
Beginning balance at August 1, 2009	$	23.1
Unrealized gains		0.3
Foreign currency exchange		(1.9	)
Purchases, sales, issuances and settlements, net		0.2
Ending balance at July 31, 2010	$	21.7
Unrealized gains		0.9
Foreign currency exchange		2.5
Purchases, sales, issuances and settlements, net		1.2
Ending balance at July 31, 2011	$	26.3
Unrealized gains		1.4
Foreign currency exchange		(3.8	)
Purchases, sales, issuances and settlements, net		(2.0	)
Net transfers into (out of) Level 3		(0.1	)
Ending balance at July 31, 2012	$	21.8

Investment Policies and Strategies. For the Company's U.S. plans, the Company uses a total return investment approach to achieve a long-term return on plan assets, with a prudent level of risk for the purpose of meeting its retirement income commitments to employees. The plans' investments are diversified to assist in managing risk. The Company's asset allocation guidelines target an allocation of 45 percent equity securities, 30 percent alternative investments (funds of hedge funds), 10 percent real assets (investments into funds containing commodities and real estate), 10 percent fixed income, and 5 percent private equity. Within equity securities, the Company will target an allocation of 15 percent international, 15 percent equity long/short, 10 percent small cap and 5 percent large cap. These target allocation guidelines are determined in consultation with the Company's investment consultant, and through the use of modeling the risk/return trade-offs among asset classes utilizing assumptions about expected annual return, expected volatility/standard deviation of returns, and expected correlations with other asset classes.

For the Company's non-U.S. plans, the general investment objectives are to maintain a suitably diversified portfolio of secure assets of appropriate liquidity which will generate income and capital growth to meet, together with any new contributions from members and the Company, the cost of current and future benefits. Investment policy and performance is measured and monitored on an ongoing basis by the Company's investment committee through its use of an investment consultant and through quarterly investment portfolio reviews.

Estimated Contributions and Future Payments The Company's general funding policy for its pension plans is to make at least the minimum contributions as required by applicable regulations. Additionally, the Company may elect to make additional contributions up to the maximum tax deductible contribution. As such, the Company made contributions of $25.5 million to its U.S. pension plans in Fiscal 2012. The minimum funding requirement for the Company's U.S. plans for Fiscal 2013 is $13.5 million. Per the Pension Protection Act of 2006, this obligation could be met with existing credit balances. The Company is still considering whether a cash contribution will be made. The Company made contributions of $12.5 million to its non-U.S. pension plans in Fiscal 2012 and estimates that it will contribute approximately $7.0 million in Fiscal 2013 based upon the local government prescribed funding requirements. Future estimates of the Company's pension plan contributions may change significantly depending on the actual rate of return on plan assets, discount rates and regulatory requirements.

Estimated future benefit payments for the Company's U.S. and non-U.S. plans are as follows (thousands of dollars):

Fiscal Year
2013	$	19,516
2014	$	22,667
2015	$	20,875
2016	$	21,399
2017	$	28,955
2018-2022	$	142,611

Postemployment and Postretirement Benefit Plans The Company provides certain postemployment and postretirement health care benefits for certain U.S. employees for a limited time after termination of employment. The Company has recorded a liability for its postretirement benefit plan in the amount of $1.5 million as of July 31, 2012 and July 31, 2011. The annual cost resulting from these benefits is not material. For measurement purposes, a 7.3 percent annual rate of increase in the per capita cost of covered health care benefits was assumed for Fiscal 2012. The Company has assumed that the long-term rate of increase will decrease gradually to an ultimate annual rate of 4.5 percent. A one-percentage point increase in the health care cost trend rate would increase the Fiscal 2012 and 2011 liability by $0.1 million.

Retirement Savings and Employee Stock Ownership Plan The Company provides a contributory employee savings plan to U.S. employees that permits participants to make contributions by salary reduction pursuant to section 401(k) of the Internal Revenue Code. Employee contributions of up to 25 percent of compensation are matched at a rate equaling 100 percent of the first 3 percent contributed and 50 percent of the next 2 percent contributed. The Company's contributions under this plan are based on the level of employee contributions as well as a discretionary contribution based on performance of the Company.  Total contribution expense for these plans was $5.5 million, $9.1 million, and $4.5 million for the years ended July 31, 2012, 2011, and 2010, respectively. This plan also includes shares from an Employee Stock Ownership Plan ("ESOP"). As of July 31, 2012, all shares of the ESOP have been allocated to participants. Total ESOP shares are considered to be shares outstanding for earnings per share calculations.

Deferred Compensation and Other Benefit Plans The Company provides various deferred compensation and other benefit plans to certain executives. The deferred compensation plan allows these employees to defer the receipt of all of their bonus and other stock related compensation and up to 75 percent of their salary to future periods. Other benefit plans are provided to supplement the benefits for a select group of highly compensated individuals which are reduced because of compensation limitations set by the Internal Revenue Code. The Company has recorded a liability in the amount of $9.5 million and $9.2 million as of the year ended July 31, 2012 and July 31, 2011, respectively, related primarily to its deferred compensation plans.

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Employee Benefit Plans (Obligations And Funded Status Of Company's Pension Plans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 15,464	$ 16,148	$ 13,184
Interest cost	19,436	19,440	19,445
Actuarial loss	(5,696)	(3,962)	(2,864)
Underfunded status at July 31, 2012 and 2011	(73,916)	(30,457)
Change In Benefit Obligation [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning of year	404,012	377,903
Service cost	15,464	16,148
Interest cost	19,436	19,440
Plan amendments	(781)	1,639
Participant contributions	1,130	1,058
Actuarial loss	51,914	1,034
Currency exchange rates	(9,689)	6,936
Benefits paid	(19,994)	(20,146)
Benefit obligation, end of year	461,492	404,012
Change in Plan Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Participant contributions	1,130	1,058
Benefits paid	(19,994)	(20,146)
Beginning balance	373,555	319,734
Actual return on plan assets	4,442	38,758
Company contributions	37,915	27,655
Currency exchange rates	(9,472)	6,496
Ending balance	$ 387,576	$ 373,555

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Financial Instruments

12 Months Ended

Jul. 31, 2012

Financial Instruments [Abstract]

Financial Instruments

NOTE F  Financial Instruments

Derivatives The Company uses forward exchange contracts to manage its exposure to fluctuations in foreign exchange rates. The Company also uses interest rate swaps to manage its exposure to changes in the fair value of its fixed-rate debt resulting from interest rate fluctuations. It is the Company's policy to enter into derivative transactions only to the extent true exposures exist; the Company does not enter into derivative transactions for speculative or trading purposes. The Company enters into derivative transactions only with counterparties with high credit ratings. These transactions may expose the Company to credit risk to the extent that the instruments have a positive fair value, but the Company has not experienced any material losses, nor does the Company anticipate any material losses.

The Company enters into forward exchange contracts of generally less than one year to hedge forecasted transactions between its subsidiaries and to reduce potential exposure related to fluctuations in foreign exchange rates for existing recognized assets and liabilities. It also utilizes forward exchange contracts for anticipated intercompany and third-party transactions such as purchases, sales, and dividend payments denominated in local currencies. Forward exchange contracts are designated as cash flow hedges as they are designed to hedge the variability of cash flows associated with the underlying existing recognized or anticipated transactions. Changes in the value of derivatives designated as cash flow hedges are recorded in other comprehensive income (loss) in shareholders' equity until earnings are affected by the variability of the underlying cash flows. At that time, the applicable amount of gain or loss from the derivative instrument that is deferred in shareholders' equity is reclassified to earnings. The Company expects to record $0.4 million of net deferred losses from these forward exchange contracts during the next twelve months. Effectiveness is measured using spot rates to value both the hedge contract and the hedged item. The excluded forward points, as well as any ineffective portions of hedges, are recorded in earnings through the same line as the underlying transaction. During Fiscal 2012, 2011, and 2010, $0.4 million, $1.1 million, and $0.2 million of losses, respectively, were recorded due to the exclusion of forward points from the assessment of hedge effectiveness.

The impact on Accumulated other comprehensive income (loss) (OCI) and earnings from foreign exchange contracts that qualified as cash flow hedges for the twelve months ended July 31, 2012 and 2011, was as follows (thousands of dollars):

	July 31,
	2012			2011
Net carrying amount at beginning of year	$	241		$	(660	)
Cash flow hedges deferred in OCI		2,229			(782	)
Cash flow hedges reclassified to income (effective portion)		(2,960	)		1,963
Change in deferred taxes		117			(280	)
Net carrying amount at July 31	$	(373	)	$	241

Credit Risk The Company is exposed to credit loss in the event of nonperformance by counterparties in interest rate swaps and foreign exchange forward contracts. Collateral is generally not required of the counterparties or of the Company. In the unlikely event a counterparty fails to meet the contractual terms of an interest rate swap or foreign exchange forward contract, the Company's risk is limited to the fair value of the instrument. The Company had no interest rate swaps outstanding at July 31, 2012 or 2011. The Company actively monitors its exposure to credit risk through the use of credit approvals and credit limits, and by selecting major international banks and financial institutions as counterparties. The Company has not had any historical instances of non-performance by any counterparties, nor does it anticipate any future instances of non-performance.

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Fair Value

12 Months Ended

Jul. 31, 2012

Fair Value [Abstract]

Fair Value

NOTE G Fair Value

Fair Value of Financial Instruments At July 31, 2012 and 2011, the Company's financial instruments included cash and cash equivalents, accounts receivable, accounts payable, short-term borrowings, long-term debt, and derivative contracts. The fair values of cash and cash equivalents, accounts receivable, accounts payable, and short-term borrowings approximated carrying values because of the short-term nature of these instruments. Derivative contracts are reported at their fair values based on third-party quotes. As of July 31, 2012, the estimated fair value of long-term debt with fixed interest rates was $223.5 million compared to its carrying value of $201.1 million. The fair value is estimated by discounting the projected cash flows using the rate that similar amounts of debt could currently be borrowed, classified as level 2 in the fair value hierarchy.

The following summarizes the Company's fair value of outstanding derivatives at July 31, 2012, and 2011, on the Consolidated Balance Sheets (thousands of dollars):

	At July 31,
	2012		2011
Asset derivatives recorded under the caption Prepaids and other current assets Foreign exchange contracts	$	526	$	945
Liability derivatives recorded under the caption Other current liabilities Foreign exchange contracts	$	1,424	$	1,470

The Company's derivative financial instruments present certain market and counterparty risks; however, concentration of counterparty risk is mitigated as the Company deals with a variety of major banks worldwide. In addition, only conventional derivative financial instruments are utilized. The Company would not be materially impacted if any of the counterparties to the derivative financial instruments outstanding at July 31, 2012, failed to perform according to the terms of its agreement. At this time, the Company does not require collateral or any other form of securitization to be furnished by the counterparties to its derivative instruments.

The fair values of the Company's financial assets and financial liabilities listed below reflect the amounts that would be received to sell the assets or paid to transfer the liabilities in an orderly transaction between market participants at the measurement date (exit price). The fair values are based on inputs other than quoted prices that are observable for the asset or liability. These inputs include foreign currency exchange rates and interest rates. The financial assets and financial liabilities are primarily valued using standard calculations and models that use as their basis readily observable market parameters. Industry standard data providers are the primary source for forward and spot rate information for both interest rates and currency rates.

	Significant Other Observable Inputs
	(Level 2)*
	At July 31,
	2012			2011
Forward exchange contracts – net liability position	$	(898	)	$	(525	)

*Inputs to the valuation methodology of level 2 assets include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

The Company holds equity method investments which are classified in other assets in the consolidated balance sheets. The aggregate carrying amount of these investments was $20.1 million and $19.2 million as of July 31, 2012 and 2011, respectively. These equity method investments are measured at fair value on a nonrecurring basis. The fair value of the Company's equity method investments has not been estimated as there have been no identified events or changes in circumstance that would have had an adverse impact on the value of these investments. In the event that these investments were required to be measured, these investments would fall within Level 3 of the fair value hierarchy, due to the use of significant unobservable inputs to determine fair value, as the investments are privately-held entities without quoted market prices.

Goodwill and intangible assets are assessed for impairment annually or more frequently if events or changes in circumstances indicate that the asset might be impaired. The Company's goodwill and intangible assets are not recorded at fair value as there have been no events or circumstances that would have an adverse impact on the value of these assets. In the event that an impairment was recognized, the fair value would be classified within Level 3 of the fair value hierarchy. Refer to Note C for further discussion of the annual goodwill impairment analysis and carrying values of goodwill and other intangible assets.

The company assesses the impairment of property, plant, and equipment whenever events or changes in circumstances indicate that the carrying amount of property, plant, and equipment assets may not be recoverable. There were no impairment charges recorded in Fiscal 2012 or Fiscal 2011.

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Shareholders' Equity

12 Months Ended

Jul. 31, 2012

Shareholders' Equity [Abstract]

Shareholders' Equity

NOTE I  Shareholders' Equity

Stock Rights On January 27, 2006, the Board of Directors of the Company approved the extension of the benefits afforded by the Company's existing rights plan by adopting a new shareholder rights plan. Pursuant to the Rights Agreement, dated as of January 27, 2006 by and between the Company and Wells Fargo Bank, N.A., as Rights Agent, one right was issued on March 3, 2006 for each outstanding share of common stock of the Company upon the expiration of the Company's existing rights. Each of the new rights entitles the registered holder to purchase from the Company one one-thousandth of a share of Series A Junior Participating Preferred Stock, without par value, at a price of $143.00 per one one-thousandth of a share. The rights, however, will not become exercisable unless and until, among other things, any person acquires 15 percent or more of the outstanding common stock of the Company. If a person acquires 15 percent or more of the outstanding common stock of the Company (subject to certain conditions and exceptions more fully described in the Rights Agreement), each right will entitle the holder (other than the person who acquired 15 percent or more of the outstanding common stock) to purchase common stock of the Company having a market value equal to twice the exercise price of a right. The rights are redeemable under certain circumstances at $.001 per right and will expire, unless earlier redeemed, on March 2, 2016.

Stock Compensation Plans The Stock Compensation Plans in the Consolidated Statements of Changes in Shareholders' Equity consist of the balance of amounts payable to eligible participants for stock compensation that was deferred to a Rabbi Trust pursuant to the provisions of the 2010 Master Stock Incentive Plan, as well as performance awards payable in common stock discussed further in Note J.

Treasury Stock The Company believes that the share repurchase program is a way of providing return to its shareholders. The Board of Directors authorized the repurchase, at the Company's discretion, of up to 16.0 million shares of common stock under the stock repurchase plan dated March 26, 2010. As of July 31, 2012, the Company had remaining authorization to repurchase 5.6 million shares under this plan. Following is a summary of treasury stock share activity for Fiscal 2012 and 2011:

	2012			2011
Balance at beginning of year		13,245,864			12,222,381
Stock repurchases		4,503,587			1,956,648
Net issuance upon exercise of stock options		(1,270,526	)		(862,981	)
Issuance under compensation plans		(89,528	)		(62,304	)
Stock split and other activity		(12,408,565	)		(7,880	)
Balance at end of year		3,980,832			13,245,864

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Employee Benefit Plans (Changes In Fair Value Of U.S. Pension Plans' Level 3 Assets) (Details) (U.S. Assets [Member], USD $)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Defined Benefit Plan Disclosure [Line Items]
Ending balance	$ 274,200,000	$ 265,300,000	$ 232,500,000
Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Ending balance	119,000,000	121,300,000	101,300,000
Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Ending balance	19,100,000	17,600,000	14,800,000
Alternative [Member]
Defined Benefit Plan Disclosure [Line Items]
Ending balance	75,600,000	51,500,000	72,500,000
Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Ending balance	30,400,000	38,000,000	25,900,000
Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	87,300,000	66,600,000	71,000,000
Unrealized gains	(1,400,000)	7,000,000	4,800,000
Realized gains	1,900,000	1,000,000	700,000
Purchases, sales, issuances and settlements, net	18,000,000	12,700,000	(9,900,000)
Ending balance	105,800,000	87,300,000	66,600,000
Significant Unobservable Inputs (Level 3) [Member] | Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	300,000	2,400,000	2,700,000
Unrealized gains	(100,000)		100,000
Realized gains	100,000
Purchases, sales, issuances and settlements, net	(100,000)	(2,100,000)	(400,000)
Ending balance	200,000	300,000	2,400,000
Significant Unobservable Inputs (Level 3) [Member] | Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	17,600,000	14,800,000	11,400,000
Unrealized gains	200,000	1,500,000	1,800,000
Realized gains	1,400,000	1,000,000
Purchases, sales, issuances and settlements, net	(100,000)	300,000	1,600,000
Ending balance	19,100,000	17,600,000	14,800,000
Significant Unobservable Inputs (Level 3) [Member] | Alternative [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	31,400,000	33,100,000	41,400,000
Unrealized gains	(300,000)	2,100,000	2,800,000
Realized gains	400,000		700,000
Purchases, sales, issuances and settlements, net	17,300,000	(3,800,000)	(11,800,000)
Net transfers into (out of) level 3	7,300,000
Ending balance	56,100,000	31,400,000	33,100,000
Significant Unobservable Inputs (Level 3) [Member] | Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	38,000,000	16,300,000	15,500,000
Unrealized gains	(1,200,000)	3,400,000	100,000
Purchases, sales, issuances and settlements, net	900,000	18,300,000	700,000
Net transfers into (out of) level 3	(7,300,000)
Ending balance	$ 30,400,000	$ 38,000,000	$ 16,300,000

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Segment Reporting (Geographic Sales By Origination And Property, Plant And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Segment Reporting Information [Line Items]
Net Sales	$ 656,833	$ 647,237	$ 580,883	$ 608,295	$ 625,450	$ 594,565	$ 537,105	$ 536,909	$ 2,493,248	$ 2,294,029	$ 1,877,064
Property, Plant & Equipment - Net	384,909				391,502				384,909	391,502	365,892
United States [Member]
Segment Reporting Information [Line Items]
Net Sales									1,064,474	941,218	745,400
Property, Plant & Equipment - Net	146,328				141,584				146,328	141,584	139,717
Europe [Member]
Segment Reporting Information [Line Items]
Net Sales									678,619	653,275	545,803
Property, Plant & Equipment - Net	114,266				131,739				114,266	131,739	122,646
Asia - Pacific [Member]
Segment Reporting Information [Line Items]
Net Sales									572,163	540,874	460,470
Property, Plant & Equipment - Net	80,200				81,035				80,200	81,035	72,950
Other [Member]
Segment Reporting Information [Line Items]
Net Sales									177,992	158,662	125,391
Property, Plant & Equipment - Net	$ 44,115				$ 37,144				$ 44,115	$ 37,144	$ 30,579

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Employee Benefit Plans (Changes In Fair Value Of Assets Held By International Pension Plans' Level 3 Assets) (Details) (International Assets [Member], USD $)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Defined Benefit Plan Disclosure [Line Items]
Ending balance	$ 113,300,000	$ 108,200,000	$ 87,200,000
Equity/Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Ending balance	35,100,000	41,700,000	34,200,000
Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Ending balance	21,800,000	26,300,000	21,700,000
Significant Unobservable Inputs (Level 3) [Member] | Equity/Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	26,300,000	21,700,000	23,100,000
Unrealized gains	1,400,000	900,000	300,000
Foreign currency exchange	(3,800,000)	2,500,000	(1,900,000)
Purchases, sales, issuances and settlements, net	(2,000,000)	1,200,000	200,000
Ending balance	$ 21,800,000	$ 26,300,000	$ 21,700,000

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Employee Benefit Plans (Fair Value Of Assets Held By U.S. Pension Plans By Asset Category) (Details) (U.S. Assets [Member], USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2009
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 274,200	$ 265,300	$ 232,500
Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	900	300	900
Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	119,000	121,300	101,300
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	29,200	36,600	17,100
Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	19,100	17,600	14,800
Alternative [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	75,600	51,500	72,500
Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	30,400	38,000	25,900
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	91,600	101,700	66,700
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Cash [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	900	300	900
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	61,500	64,800	48,700
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	29,200	36,600	17,100
Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	76,800	76,300	99,200
Significant Other Observable Inputs (Level 2) [Member] | Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	57,300	56,200	50,200
Significant Other Observable Inputs (Level 2) [Member] | Alternative [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	19,500	20,100	39,400
Significant Other Observable Inputs (Level 2) [Member] | Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets			9,600
Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	105,800	87,300	66,600	71,000
Significant Unobservable Inputs (Level 3) [Member] | Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	200	300	2,400	2,700
Significant Unobservable Inputs (Level 3) [Member] | Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	19,100	17,600	14,800	11,400
Significant Unobservable Inputs (Level 3) [Member] | Alternative [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	56,100	31,400	33,100	41,400
Significant Unobservable Inputs (Level 3) [Member] | Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, fair value of plan assets	$ 30,400	$ 38,000	$ 16,300	$ 15,500

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Restructuring (Schedule Of Restructuring Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2011	Jul. 31, 2010
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 759	$ 10,165
Gross Margin [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	20	7,488
Operating Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 739	$ 2,677

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Stock Option Plans (Tables)

12 Months Ended

Jul. 31, 2012

Stock Option Plans [Abstract]

Weighted Average Assumptions For Recognized Fair Value Of Stock-Based Employee Compensation Cost

	2012			2011			2010
Risk - free interest rate		<0.11 - 1.8	%		<0.12 - 3.1	%		< 0.01 - 3.9	%
Expected volatility		25.8 - 31.9	%		25.5 - 34.7	%		24.4 - 32.3	%
Expected dividend yield		1.0	%		1.0	%		1.0	%
Expected life
Director original grants without reloads		8 years			8 years			8 years
Non - officer original grants		7 years			8 years			7 - 8 years
Officer original grants with reloads		—			—			4 years
Reload grants		<8 years			<8 years			<8 years
Officer original grants without reloads		8 years			8 years			8 years

Stock Option Activity

	Options Outstanding			Weighted Average Exercise Price
Outstanding at July 31, 2009		9,996,250		$	13.47
Granted		1,287,948			21.21
Exercised		(1,697,980	)		10.42
Canceled		(42,594	)		20.97
Outstanding at July 31, 2010		9,543,624			15.02
Granted		1,103,202			28.61
Exercised		(2,243,502	)		11.55
Canceled		(15,330	)		23.60
Outstanding at July 31, 2011		8,387,994			17.72
Granted		1,082,979			34.76
Exercised		(1,379,827	)		11.90
Canceled		(34,819	)		27.45
Outstanding at July 31, 2012		8,056,327			20.97

Outstanding And Exercisable Options

Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Exercise Price
$8.89 to $12.89		559,800		0.75	$	9.99		559,800	$	9.99
$12.90 to $16.89		2,430,944		2.34		15.53		2,430,944		15.53
$16.90 to $20.89		1,476,801		5.32		17.84		1,465,291		17.85
$20.90 to $24.89		1,541,740		6.67		21.78		1,371,437		21.86
$24.90 and above		2,047,042		8.61		32.08		423,458		30.07
		8,056,327		5.20		20.97		6,250,930		17.95

Status for Options Contain Vesting Provisions

	Options			Weighted Average Grant Date Fair Value
Non - vested at July 31, 2011		1,385,750		$	8.45
Granted		1,004,500			9.63
Vested		(550,868	)		8.06
Canceled		(33,985	)		8.42
Non - vested at July 31, 2012		1,805,397			9.22

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Long-Term Debt (Narrative) (Details)	0 Months Ended
	Jan. 21, 2012 USD ($)	Jan. 21, 2012 JPY (¥)	Dec. 17, 2011 USD ($)	Jul. 31, 2012 USD ($)	Jan. 03, 2012	Jul. 31, 2011 USD ($)	Jul. 31, 2012 Fixed Interest Rate [Member] USD ($)
Trading Activity, Gains and Losses, Net [Line Items]
Annual maturities of long-term debt in 2013				$ 500,000
Annual maturities of long-term debt in 2014				101,400,000
Annual maturities of long-term debt in 2017				50,000,000
Annual maturities of long-term debt thereafter				50,000,000
Estimated fair value of long-term debt with fixed interest rates							223,500,000
Total				205,829,000		253,619,000	201,100,000
Senior unsecured notes, interest rate			4.85%		1.418%
Long-term debt, principal payment	$ 15,400,000	¥ 1,200,000,000	$ 30,000,000

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Warranty

12 Months Ended

Jul. 31, 2012

Warranty [Abstract]

Warranty

NOTE N  Warranty

The Company provides for warranties on certain products. In addition, the Company may incur specific Customer warranty issues. Following is a reconciliation of warranty reserves (in thousands of dollars):

Balance at July 31, 2010	$	15,707
Accruals for warranties issued during the reporting period		8,406
Accruals related to pre-existing warranties (including changes in estimates)		7,735
Less settlements made during the period		(12,128	)
Balance at July 31, 2011	$	19,720
Accruals for warranties issued during the reporting period		5,002
Accruals related to pre-existing warranties (including changes in estimates)		(2,956	)
Less settlements made during the period		(10,861	)
Balance at July 31, 2012	$	10,905

During Fiscal 2011, the increase in warranty accruals was primarily due to three specific warranty matters: one in the Company's Retrofit Emissions Product group for $3.6 million, one in the Company's Off-Road Products group for $1.8 million, and one in the On-Road Product group for $4.1 million. These warranty accruals were partially offset by supplier and insurance recoveries of $4.2 million. These warranty matters are not expected to have a material impact on our results of operations, liquidity or financial position. There were no significant specific warranty matters accrued for in Fiscal 2012. The settlements made during Fiscal 2012 were primarily in relation to the three above mentioned matters.

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Summary Of Significant Accounting Policies (Policy)

12 Months Ended

Jul. 31, 2012

Summary Of Significant Accounting Policies [Abstract]

Principles Of Consolidation

Principles of Consolidation The Consolidated Financial Statements include the accounts of Donaldson Company, Inc. and all majority-owned subsidiaries. All intercompany accounts and transactions have been eliminated. The Company's three joint ventures that are not majority-owned are accounted for under the equity method. The Company does not have any variable interests in variable interest entities as of July 31, 2012. The Company uses a fiscal period which ends on a calendar basis for international affiliates and on the Friday nearest to July 31 for U.S. purposes.

Use Of Estimates

Use of Estimates The preparation of Financial Statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Foreign Currency Translation

Foreign Currency Translation For foreign operations, local currencies are considered the functional currency. Assets and liabilities are translated to U.S. dollars at year-end exchange rates and the resulting gains and losses arising from the translation of net assets located outside the United States are recorded as a cumulative translation adjustment, a component of Accumulated other comprehensive income (loss) in the Consolidated Balance Sheets. Elements of the Consolidated Statements of Earnings are translated at average exchange rates in effect during the year. Realized and unrealized foreign currency transaction gains and losses are included in Other income, net in the Consolidated Statements of Earnings. A foreign currency transaction gain of $1.8 million and losses of $4.5 million, and $4.6 million are included in Other income, net in the Consolidated Statements of Earnings in Fiscal 2012, 2011, and 2010, respectively.

Cash Equivalents

Cash Equivalents The Company considers all highly liquid temporary investments with a maturity of three months or less when purchased to be cash equivalents. Cash equivalents are carried at cost that approximates market value.

Short-Term Investments

Short-Term Investments Classification of the Company's investments as current or non-current is dependent upon management's intended holding period, the investment's maturity date and liquidity considerations based on market conditions. If management intends to hold the investments for longer than one year as of the balance sheet date, they are classified as non-current. See Note B for disclosures related to the Company's short-term investments.

Accounts Receivable And Allowance For Doubtful Accounts

Accounts Receivable and Allowance for Doubtful Accounts Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The allowance for doubtful accounts is the Company's best estimate of the amount of probable credit losses in its existing accounts receivable. The Company determines the allowance based on historical write-off experience in the industry, regional economic data, and evaluation of specific Customer accounts for risk of loss. The Company reviews its allowance for doubtful accounts monthly. Past due balances over 90 days and over a specified amount are reviewed individually for collectability. All other balances are reviewed on a pooled basis by type of receivable. Account balances are charged off against the allowance when the Company feels it is probable the receivable will not be recovered. The Company does not have any off-balance-sheet credit exposure related to its Customers.

Inventories

  Inventories Inventories are stated at the lower of cost or market. U.S. inventories are valued using the last-in, first-out ("LIFO") method, while the international subsidiaries use the first-in, first-out ("FIFO") method. Inventories valued at LIFO were approximately 30 percent and 33 percent of total inventories at July 31, 2012 and 2011, respectively. For inventories valued under the LIFO method, the FIFO cost exceeded the LIFO carrying values by $37.4 million and $37.1 million at July 31, 2012 and 2011, respectively. Results of operations for all periods presented were not materially affected by the liquidation of LIFO inventory. The components of inventory are as follows (thousands of dollars):

	At July 31,
	2012		2011
Materials	$	111,808	$	110,466
Work in process		30,767		33,917
Finished products		113,541		127,093
Total inventories	$	256,116	$	271,476

Property, Plant And Equipment

Property, Plant and Equipment Property, plant and equipment are stated at cost. Additions, improvements, or major renewals are capitalized, while expenditures that do not enhance or extend the asset's useful life are charged to expense as incurred. Depreciation is computed under the straight-line method. Depreciation expense was $55.3 million in Fiscal 2012, $54.5 million in Fiscal 2011, and $53.2 million in Fiscal 2010. The estimated useful lives of property, plant, and equipment are 10 to 40 years for buildings, including building improvements, and 3 to 10 years for machinery and equipment. The components of property, plant, and equipment are as follows (thousands of dollars):

	At July 31,
	2012			2011
Land	$	21,062		$	22,578
Buildings		258,082			266,482
Machinery and equipment		643,199			625,439
Construction in progress		27,276			31,375
Less accumulated depreciation		(564,710	)		(554,372	)
Total property, plant and equipment, net	$	384,909		$	391,502

Internal-Use Software

  Internal-Use Software The Company capitalizes direct costs of materials and services used in the development and purchase of internal-use software. Amounts capitalized are amortized on a straight-line basis over a period of five years and are reported as a component of machinery and equipment within property, plant, and equipment.

Goodwill And Other Intangible

Goodwill and Other Intangible Assets Goodwill represents the excess of the purchase price over the fair value of net assets acquired in business combinations under the purchase method of accounting. Other intangible assets, consisting primarily of patents, trademarks, Customer relationships and lists, are recorded at cost and are amortized on a straight-line basis over their estimated useful lives of 3 to 20 years. Goodwill is assessed for impairment annually or if an event occurs or circumstances change that would indicate the carrying amount may be impaired. The impairment assessment for goodwill is done at a reporting unit level. Reporting units are one level below the business segment level, but can be combined when reporting units within the same segment have similar economic characteristics. An impairment loss generally would be recognized when the carrying amount of the reporting unit's net assets exceeds the estimated fair value of the reporting unit. The Company completed its annual impairment assessment in the third quarters of Fiscal 2012 and 2011, which indicated no impairment.

Recoverability Of Long-Lived Assets

Recoverability of Long-Lived Assets The Company reviews its long-lived assets, including identifiable intangibles, for impairment when events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. If impairment indicators are present and the estimated future undiscounted cash flows are less than the carrying value of the assets, the carrying value is reduced.

Income Taxes

Income Taxes The provision for income taxes is computed based on the pretax income included in the Consolidated Statements of Earnings. Deferred tax assets and liabilities are recognized for the expected future tax consequences attributed to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured using the enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to reverse. Valuation allowances are recorded to reduce deferred tax assets when it is more likely than not that a tax benefit will not be realized.

Comprehensive Income (Loss)

Comprehensive Income (Loss) Comprehensive income (loss) consists of net income, foreign currency translation adjustments, net changes in the funded status of pension retirement obligations, and net gain or loss on cash flow hedging derivatives, and is presented in the Consolidated Statements of Changes in Shareholders' Equity. The components of the ending balances of Accumulated other comprehensive income (loss) are as follows (thousands of dollars):

	At July 31,
	2012			2011			2010
Foreign currency translation adjustment	$	32,976		$	131,699		$	59,194
Net gain (loss) on cash flow hedging derivatives, net of deferred taxes		(292	)		380			(462	)
Pension and postretirement liability adjustment, net of deferred taxes		(134,572	)		(92,052	)		(99,218	)
Total accumulated other comprehensive income (loss)	$	(101,888	)	$	40,027		$	(40,486	)

Cumulative foreign translation is not adjusted for income taxes.

Earnings Per Share

Earnings Per Share The Company's basic net earnings per share are computed by dividing net earnings by the weighted average number of outstanding common shares. The Company's diluted net earnings per share is computed by dividing net earnings by the weighted average number of outstanding common shares and common equivalent shares relating to stock options and stock incentive plans. Certain outstanding options were excluded from the diluted net earnings per share calculations because their exercise prices were greater than the average market price of the Company's common stock during those periods. There were 1,063,135 options, 988,698 options, and 1,691,654 options excluded from the diluted net earnings per share calculation for the fiscal year ended July 31, 2012, 2011, and 2010, respectively.

The following table presents information necessary to calculate basic and diluted earnings per share:

	2012		2011		2010
	(thousands of dollars, except per share amounts)
Weighted average shares - basic		150,286		154,393		155,697
Diluted share equivalents		2,655		2,804		2,659
Weighted average shares - diluted		152,941		157,197		158,356
Net earnings for basic and diluted earnings per share computation	$	264,301	$	225,291	$	166,163
Net earnings per share - basic	$	1.76	$	1.46	$	1.07
Net earnings per share - diluted	$	1.73	$	1.43	$	1.05

On January 27, 2012, the Company announced that its Board of Directors declared a two-for-one stock split effected in the form of a 100 percent stock dividend. The stock split was distributed March 23, 2012, to stockholders of record as of March 2, 2012. Earnings and dividends per share and weighted average shares outstanding are presented in this Form 10-K after the effect of the 100 percent stock dividend. The two-for-one stock split is reflected in the share amounts in all periods presented in the table above and elsewhere in this annual Form 10-K.

Treasury Stock

Treasury Stock Repurchased common stock is stated at cost and is presented as a separate reduction of shareholders' equity.

Research And Development

Research and Development Research and development costs are charged against earnings in the year incurred. Research and development expenses include basic scientific research and the application of scientific advances to the development of new and improved products and their uses.

Stock-Based Compensation

Stock-Based Compensation The Company offers stock-based employee compensation plans, which are more fully described in Note J. Stock-based employee compensation cost is recognized using the fair-value based method.

Revenue Recognition

Revenue Recognition Revenue is recognized when both product ownership and the risk of loss have transferred to the Customer and the Company has no remaining obligations. The Company records estimated discounts and rebates as a reduction of sales in the same period revenue is recognized. Shipping and handling costs for Fiscal 2012, 2011, and 2010 totaling $67.0 million, $61.9 million, and $49.8 million, respectively, are classified as a component of operating expenses.

Product Warranties

Product Warranties The Company provides for estimated warranty costs at the time of sale and accrues for specific items at the time their existence is known and the amounts are determinable. The Company estimates warranty costs using standard quantitative measures based on historical warranty claim experience and evaluation of specific Customer warranty issues. For a warranty reserve reconciliation see Note N.

Derivative Instruments And Hedging Activities

     Derivative Instruments and Hedging Activities The Company recognizes all derivatives on the balance sheet at fair value. Derivatives that are not hedges are adjusted to fair value through income. If the derivative is a hedge, depending on the nature of the hedge, changes in the fair value of derivatives are either offset against the change in fair value of the hedged assets, liabilities or firm commitments through earnings or recognized in shareholders' equity through other comprehensive income until the hedged item is recognized. Gains or losses related to the ineffective portion of any hedge are recognized through earnings in the current period.

Exit Or Disposal Activities

Exit or Disposal Activities The Company accounts for costs relating to exit or disposal activities based on FASB guidance related to exit or disposal cost obligations. This guidance addresses recognition, measurement, and reporting of costs associated with exit and disposal activities including restructuring. See Note P for disclosures related to restructuring.

Guarantees

Guarantees Upon issuance of a guarantee, the Company recognizes a liability for the fair value of an obligation assumed under a guarantee. See Note M for disclosures related to guarantees.

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Valuation And Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012		Jul. 31, 2011		Jul. 31, 2010
Valuation And Qualifying Accounts [Abstract]
Balance at Beginning of Period	$ 6,908		$ 6,315		$ 7,387
Charged to Costs and Expenses	1,151		482		1,063
Charged to Other Accounts	(676)	[1]	481	[1]	(293)	[1]
Deductions	(965)	[2]	(370)	[2]	(1,842)	[2]
Balance at End of Period	$ 6,418		$ 6,908		$ 6,315

[1] Allowance for doubtful accounts foreign currency translation losses (gains) recorded directly to equity.

[2] Bad debts charged to allowance, net of reserves and changes in estimates.

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Goodwill And Other Intangible Assets (Expected Amortization Expense Relating To Existing Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012
Goodwill And Other Intangible Assets [Abstract]
2013	$ 5,418
2014	5,045
2015	4,950
2016	4,948
2017	$ 4,530

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Summary Of Significant Accounting Policies (Components Of Inventory) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Summary Of Significant Accounting Policies [Abstract]
Materials	$ 111,808	$ 110,466
Work in process	30,767	33,917
Finished products	113,541	127,093
Total inventories	$ 256,116	$ 271,476

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Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Operating Activities
Net earnings	$ 264,301	$ 225,291	$ 166,163
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	61,165	60,491	59,232
Equity in losses (earnings) of affiliates, net of distributions	(2,380)	(2,585)	183
Deferred income taxes	6,344	1,957	3,025
Tax benefit of equity plans	(10,316)	(9,873)	(4,625)
Stock compensation plan expense	10,553	9,234	8,253
Other, net	(24,346)	(11,991)	(6,110)
Changes in operating assets and liabilities, net of acquired businesses
Accounts receivable	(17,877)	(62,274)	(79,308)
Inventories	(4,149)	(52,999)	(25,826)
Prepaids and other current assets	(17,378)	7,233	(3,970)
Trade accounts payable and other accrued expenses	(6,205)	81,571	85,988
Net cash provided by operating activities	259,712	246,055	203,005
Investing Activities
Purchases of property, plant and equipment	(78,139)	(60,633)	(43,149)
Proceeds from sale of property, plant and equipment	969	782	490
Purchase of short-term investments	(99,298)
Acquisitions and divestitures of affiliates		3,493	(250)
Net cash used in investing activities	(176,468)	(56,358)	(42,909)
Financing Activities
Proceeds from long-term debt		6,774	531
Repayments of long-term debt	(46,205)	(13,353)	(5,508)
Change in short-term borrowings	96,715	(36,603)	20,713
Purchase of treasury stock	(130,233)	(108,929)	(66,696)
Dividends paid	(47,684)	(41,013)	(36,242)
Tax benefit of equity plans	10,316	9,873	4,625
Exercise of stock options	13,691	15,899	13,053
Net cash used in financing activities	(103,400)	(167,352)	(69,524)
Effect of exchange rate changes on cash	(27,549)	19,149	(2,259)
Increase (decrease) in cash and cash equivalents	(47,705)	41,494	88,313
Cash and cash equivalents, beginning of year	273,494	232,000	143,687
Cash and cash equivalents, end of period	225,789	273,494	232,000
Supplemental Cash Flow Information
Income taxes	91,915	57,688	40,032
Interest	$ 13,410	$ 12,852	$ 11,446

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Warranty (Reconciliation Of Warranty Reserves) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Warranty [Abstract]
Balance at July 31, 2010	$ 19,720	$ 15,707
Accruals for warranties issued during the reporting period	5,002	8,406
Accruals related to pre-existing warranties (including changes in estimates)	(2,956)	7,735
Less settlements made during the period	(10,861)	(12,128)
Balance, ending	$ 10,905	$ 19,720

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Goodwill And Other Intangible Assets

12 Months Ended

Jul. 31, 2012

Goodwill And Other Intangible Assets [Abstract]

Goodwill And Other Intangible Assets

NOTE C  Goodwill and Other Intangible Assets

The Company has allocated goodwill to its Industrial Products and Engine Products segments. There was no acquisition or disposition activity during Fiscal 2012. Disposition of goodwill during Fiscal 2011 relates to the sale of the Company's Ultracool chiller business, based in Terrassa, Spain, for $3.6 million, which resulted in a gain on sale of $0.4 million. The Ultracool chiller business manufactured industrial circulation chillers and was part of the Company's Industrial Products segment. As of Fiscal 2011, as a result of an internal reorganization, the Company transferred Industrial Hydraulics, a component of its Industrial Filtration Solutions Products within the Industrial Products segment to Aftermarkets Products within the Engine Products segment, along with the goodwill associated with this component. The Company completed its annual impairment assessments in the third quarters of Fiscal 2012 and 2011. The results of this assessment showed that the fair values of the reporting units to which goodwill is assigned continue to exceed the book values of the respective reporting units, resulting in no goodwill impairment.

Following is a reconciliation of goodwill for the years ended July 31, 2012 and 2011:

	Engine Products			Industrial Products			Total Goodwill
	(thousands of dollars)
Balance as of July 31, 2010	$	60,914		$	104,401		$	165,315
Goodwill transferred		11,258			(11,258	)		—
Disposition activity		—			(325	)		(325	)
Foreign exchange translation		794			5,957			6,751
Balance as of July 31, 2011	$	72,966		$	98,775		$	171,741
Foreign exchange translation		(1,219	)		(7,573	)		(8,792	)
Balance as of July 31, 2012	$	71,747		$	91,202		$	162,949

Intangible assets are comprised of patents, trademarks, and Customer relationships and lists. Following is a reconciliation of intangible assets for the years ended July 31, 2012 and 2011:

	Gross Carrying Amount			Accumulated Amortization			Net Intangible Assets
	(thousands of dollars)
Balance as of July 31, 2010	$	83,487		$	(25,195	)	$	58,292
Amortization expense		—			(5,917	)		(5,917	)
Foreign exchange translation		1,952			(831	)		1,121
Balance as of July 31, 2011	$	85,439		$	(31,943	)	$	53,496
Amortization expense		—			(5,778	)		(5,778	)
Retirements		(1,530	)		1,530			—
Foreign exchange translation		(3,834	)		2,316			(1,518	)
Balance as of July 31, 2012	$	80,075		$	(33,875	)	$	46,200

Net intangible assets consist of patents, trademarks and trade names of $16.1 million and $20.0 million as of July 31, 2012 and 2011, respectively, and Customer related intangibles of $30.1 million and $33.5 million as of July 31, 2012 and 2011, respectively. As of July 31, 2012, patents, trademarks and trade names had a weighted average remaining life of 9.76 years and Customer related intangibles had a weighted average remaining life of 12.67 years. Expected amortization expense relating to existing intangible assets is as follows (in thousands):

Fiscal Year
2013	$	5,418
2014	$	5,045
2015	$	4,950
2016	$	4,948
2017	$	4,530

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Employee Benefit Plans (Narrative) (Details) (USD $)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Defined Benefit Plan Disclosure [Line Items]
Number of U.S Plans	2
Net underfunded status	$ 73,900,000
Amount not yet recognized and expected to be recognized in net periodic pension expense, actuarial loss	202,600,000
Amount not yet recognized and expected to be recognized in net periodic pension expense, prior service cost	3,800,000
Amount not yet recognized and expected to be recognized in net periodic pension expense, unrecognized transition obligations	2,400,000
Accumulated benefit obligation for all defined benefit pension plans	423,600,000	365,200,000
Accumulated benefit obligations in excess of plan assets, projected benefit obligation	347,500,000	294,200,000
Accumulated benefit obligations in excess of plan assets, accumulated benefit obligation	335,100,000	282,300,000
Accumulated benefit obligations in excess of plan assets, fair value of plan assets	277,500,000	262,400,000
Percentage of U.S. pension plan to entity's total plan assets	71.00%	71.00%
Percentage of U.S. pension plan to entity's total projected benefit obligation	74.00%	72.00%
Company's average	10 years
Effect of one-percentage point increase in health care cost trend rate impact on increase liability	100,000	100,000
Deferred compensation arrangement with individual, maximum future deferred receipts allowed	75.00%
Deferred compensation arrangement with individual, recorded liability	9,500,000	9,200,000
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on plan assets	7.50%	7.75%
Company's contributions to pension plans	25,500,000
Estimated future contributions to pension plans	13,500,000
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Company's contributions to pension plans	12,500,000
Estimated future contributions to pension plans	7,000,000
High Yield Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Component of fixed income securities, in percentage	10.00%
Foreign Currencies [Member]
Defined Benefit Plan Disclosure [Line Items]
Component of fixed income securities, in percentage	20.00%
U.S. Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Liability recorded for postretirement benefit plan	1,500,000	1,500,000
Health care cost rate assumed for Fiscal 2012	7.30%
Ultimate annual rate	4.50%
Contributory Employee Saving Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Company's contributions to pension plans	5,500,000	9,100,000	4,500,000
Contributory employee saving plan, employee contribution threshold limit from compensation, maximum	25.00%
Contributory Employee Saving Plan [Member] | U.S. Employees [Member]
Defined Benefit Plan Disclosure [Line Items]
Contributory employee saving plan, percentage match of participants, first contributions	100.00%
Contributory employee saving plan, percentage match of participants, second contributions	50.00%
Contributory employee saving plan, percentage of participants, first eligible compensation	3.00%
Contributory employee saving plan, percentage of participants, second eligible compensation	2.00%
Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation	45.00%
Global Equity Securities [Member] | International Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Distribution between UK and overseas	50/50
Strategic asset allocation	15.00%
Global Equity Securities [Member] | Long/Short Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation	15.00%
Global Equity Securities [Member] | Small Cap Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation	10.00%
Global Equity Securities [Member] | Large Cap Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation	5.00%
Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation	5.00%
Hedge Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation	30.00%
Real Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation	10.00%
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation	10.00%
Fiscal 2013 [Member]
Defined Benefit Plan Disclosure [Line Items]
Amount not yet recognized and expected to be recognized in net periodic pension expense, actuarial loss	10,300,000
Amount not yet recognized and expected to be recognized in net periodic pension expense, prior service cost	400,000
Amount not yet recognized and expected to be recognized in net periodic pension expense, unrecognized transition obligations	$ 200,000
Below Company's Average [Member]
Defined Benefit Plan Disclosure [Line Items]
Company's average	20 years
Above Company's Average [Member]
Defined Benefit Plan Disclosure [Line Items]
Company's average	5 years
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Component of equity/fixed income securities in international pension plan, in percentage	40.00%
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Fixed Income Securities [Member] | International Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Component of equity/fixed income securities in international pension plan, in percentage	60.00%
Significant Unobservable Inputs (Level 3) [Member] | International Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Strategic asset allocation, equity securites, minimum	10.00%
Strategic asset allocation, equity securities, maximum	20.00%
Strategic asset allocation, fixed income securities, minimum	80.00%
Strategic asset allocation, fixed income securities, maximum	90.00%

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Segment Reporting (Narrative) (Details)	12 Months Ended
	Jul. 31, 2012 segment
Segment Reporting [Abstract]
Number of reportable segments	2

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Shareholders' Equity (Schedule Of Treasury Stock) (Details)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Noncontrolling Interest [Line Items]
Balance at beginning of year	13,245,864
Net issuance upon exercise of stock options	(1,379,827)	(2,243,502)	(1,697,980)
Balance at end of year	3,980,832	13,245,864
Treasury Stock [Member]
Noncontrolling Interest [Line Items]
Balance at beginning of year	13,245,864	12,222,381
Stock repurchases	4,503,587	1,956,648
Net issuance upon exercise of stock options	(1,270,526)	(862,981)
Issuance under compensation plans	(89,528)	(62,304)
Stock split and other activity	(12,408,565)	(7,880)
Balance at end of year	3,980,832	13,245,864

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Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Jul. 31, 2012

Summary Of Significant Accounting Policies [Abstract]

Components Of Inventory

	At July 31,
	2012		2011
Materials	$	111,808	$	110,466
Work in process		30,767		33,917
Finished products		113,541		127,093
Total inventories	$	256,116	$	271,476

Components Of Property, Plant And Equipment

	At July 31,
	2012			2011
Land	$	21,062		$	22,578
Buildings		258,082			266,482
Machinery and equipment		643,199			625,439
Construction in progress		27,276			31,375
Less accumulated depreciation		(564,710	)		(554,372	)
Total property, plant and equipment, net	$	384,909		$	391,502

Components Of Accumulated Other Comprehensive Income (Loss)

	At July 31,
	2012			2011			2010
Foreign currency translation adjustment	$	32,976		$	131,699		$	59,194
Net gain (loss) on cash flow hedging derivatives, net of deferred taxes		(292	)		380			(462	)
Pension and postretirement liability adjustment, net of deferred taxes		(134,572	)		(92,052	)		(99,218	)
Total accumulated other comprehensive income (loss)	$	(101,888	)	$	40,027		$	(40,486	)

Calculation Of Basic And Diluted Earnings Per Share

	2012		2011		2010
	(thousands of dollars, except per share amounts)
Weighted average shares - basic		150,286		154,393		155,697
Diluted share equivalents		2,655		2,804		2,659
Weighted average shares - diluted		152,941		157,197		158,356
Net earnings for basic and diluted earnings per share computation	$	264,301	$	225,291	$	166,163
Net earnings per share - basic	$	1.76	$	1.46	$	1.07
Net earnings per share - diluted	$	1.73	$	1.43	$	1.05

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Stock Option Plans (Status For Options Contain Vesting Provisions) (Details) (USD $)	12 Months Ended
	Jul. 31, 2012
Stock Option Plans [Abstract]
Options Non- vested at July 31, 2011	1,385,750
Options, Granted	1,004,500
Options, Vested	(550,868)
Options, Canceled	(33,985)
Options Non-vested at July 31, 2012	1,805,397
Weighted Average Exercise Price, Outstanding at July 31, 2011	$ 8.45
Weighted Average Exercise Price, Granted	$ 9.63
Weighted Average Exercise Price, Vested	$ 8.06
Weighted Average Exercise Price, Canceled	$ 8.42
Weighted Average Exercise Price, Outstanding at July 31, 2012	$ 9.22

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Restructuring (Tables)

12 Months Ended

Jul. 31, 2012

Restructuring [Abstract]

Reconciliation Of Restructuring Reserves

Balance at July 31, 2008	$	—
Accruals for restructuring during the reporting period		17,755
Less settlements made during the period		(13,915	)
Balance at July 31, 2009	$	3,840
Accruals for restructuring during the reporting period		8,023
Less settlements made during the period		(7,724	)
Balance at July 31, 2010	$	4,139
Accruals for restructuring during the reporting period		759
Less settlements made during the period		(4,898	)
Balance at July 31, 2011	$	—

Schedule Of Restructuring Expense

	Fiscal Year
	2012		2011		2010
Gross Margin	$	—	$	20	$	7,488
Operating expenses		—		739		2,677
Total restructuring and asset impairment expenses	$	—	$	759	$	10,165

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Guarantees

12 Months Ended

Jul. 31, 2012

Guarantees [Abstract]

Guarantees

NOTE M  Guarantees

The Company and Caterpillar Inc. equally own the shares of Advanced Filtration Systems Inc. (AFSI), an unconsolidated joint venture, and guarantee certain debt of the joint venture. As of July 31, 2012, the joint venture had $21.7 million of outstanding debt, of which the Company guarantees half. In addition, during Fiscal 2012, 2011, and 2010, the Company recorded its equity in earnings of this equity method investment of $2.0 million, $1.6 million, and $0.4 million and royalty income of $6.2 million, $6.2 million, and $5.4 million, respectively, related to AFSI.

At July 31, 2012 and 2011, the Company had a contingent liability for standby letters of credit totaling $10.9 million and $11.4 million, respectively, which have been issued and are outstanding. The letters of credit guarantee payment to third parties in the event the Company is in breach of a specified bond financing agreement and insurance contract terms as detailed in each letter of credit. At July 31, 2012 and 2011, there were no amounts drawn upon these letters of credit.