10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2012

OR

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number: 0-20853

ANSYS, Inc.

(Exact name of registrant as specified in its charter)

Delaware	04-3219960
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
275 Technology Drive, Canonsburg, PA	15317
(Address of principal executive offices)	(Zip Code)

724-746-3304

(Registrant’s telephone number, including area code)

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.

Yes   x     No  o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes  x     No  o

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

Large accelerated filer	x	Accelerated filer	o
Non-accelerated filer	o	Smaller reporting company	o

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

Yes  o    No  x

The number of shares of the Registrant’s Common Stock, par value $.01 per share, outstanding as of October 26, 2012 was 92,637,661 shares.

ANSYS, INC. AND SUBSIDIARIES

INDEX

		Page No.
PART I	UNAUDITED FINANCIAL INFORMATION
Item 1.	Financial Statements
	Condensed Consolidated Balance Sheets – September 30, 2012 and December 31, 2011	3
	Condensed Consolidated Statements of Income – Three and Nine Months Ended September 30, 2012 and 2011	4
	Condensed Consolidated Statements of Comprehensive Income – Three and Nine Months Ended September 30, 2012 and 2011	5
	Condensed Consolidated Statements of Cash Flows – Nine Months Ended September 30, 2012 and 2011	6
	Notes to Condensed Consolidated Financial Statements	7
	Report of Independent Registered Public Accounting Firm	18
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	39
Item 4.	Controls and Procedures	41
PART II	OTHER INFORMATION
Item 1.	Legal Proceedings	42
Item 1A.	Risk Factors	42
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	43
Item 3.	Defaults Upon Senior Securities	43
Item 4.	Mine Safety Disclosures	43
Item 5.	Other Information	43
Item 6.	Exhibits	44
	SIGNATURES	45

2

PART I – UNAUDITED FINANCIAL INFORMATION

Item 1.Financial Statements:

ANSYS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

	September 30, 2012			December 31, 2011
(in thousands, except share and per share data)	(Unaudited)			(Audited)
ASSETS
Current assets:
Cash and cash equivalents	$	554,887		$	471,828
Short-term investments	454			576
Accounts receivable, less allowance for doubtful accounts of $4,050 and $4,101, respectively	77,861			84,602
Other receivables and current assets	171,237			163,296
Deferred income taxes	21,392			19,731
Total current assets	825,831			740,033
Property and equipment, net	51,178			45,638
Goodwill	1,252,706			1,225,375
Other intangible assets, net	368,980			383,420
Other long-term assets	45,813			46,942
Deferred income taxes	13,796			7,062
Total assets	$	2,558,304		$	2,448,470
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Current portion of long-term debt and capital lease obligations	$	79,723		$	74,423
Accounts payable	4,054			6,987
Accrued bonuses and commissions	31,210			36,164
Accrued income taxes	7,875			6,213
Deferred income taxes	2,233			—
Other accrued expenses and liabilities	54,376			55,809
Deferred revenue	273,636			259,155
Total current liabilities	453,107			438,751
Long-term liabilities:
Long-term debt and capital lease obligations, less current portion	—			53,149
Deferred income taxes	97,169			101,618
Other long-term liabilities	111,538			100,479
Total long-term liabilities	208,707			255,246
Commitments and contingencies	—			—
Stockholders’ equity:
Preferred stock, $.01 par value; 2,000,000 shares authorized; zero shares issued or outstanding	—			—
Common stock, $.01 par value; 300,000,000 shares authorized; 93,201,905 and 92,651,739 shares issued, respectively	932			927
Additional paid-in capital	935,375			905,662
Retained earnings	983,428			836,008
Treasury stock, at cost: 609,625 and 0 shares, respectively	(37,618		)	—
Accumulated other comprehensive income	14,373			11,876
Total stockholders’ equity	1,896,490			1,754,473
Total liabilities and stockholders’ equity	$	2,558,304		$	2,448,470

The accompanying notes are an integral part of the condensed consolidated financial statements.

3

ANSYS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

	Three Months Ended						Nine Months Ended
(in thousands, except per share data)	September 30, 2012			September 30, 2011			September 30, 2012			September 30, 2011
Revenue:
Software licenses	$	123,027		$	104,477		$	359,933		$	297,780
Maintenance and service	73,882			68,458			217,337			195,460
Total revenue	196,909			172,935			577,270			493,240
Cost of sales:
Software licenses	5,473			4,220			17,758			10,144
Amortization	10,244			8,993			30,583			23,993
Maintenance and service	18,039			17,814			54,494			51,535
Total cost of sales	33,756			31,027			102,835			85,672
Gross profit	163,153			141,908			474,435			407,568
Operating expenses:
Selling, general and administrative	49,195			43,180			143,424			123,786
Research and development	33,506			28,899			98,422			78,779
Amortization	6,800			4,500			19,975			12,587
Total operating expenses	89,501			76,579			261,821			215,152
Operating income	73,652			65,329			212,614			192,416
Interest expense	(632		)	(753		)	(2,173		)	(2,330		)
Interest income	774			789			2,562			2,196
Other (expense) income, net	(355		)	78			(1,010		)	(544		)
Income before income tax provision	73,439			65,443			211,993			191,738
Income tax provision	21,820			19,897			64,573			58,520
Net income	$	51,619		$	45,546		$	147,420		$	133,218
Earnings per share – basic:
Basic earnings per share	$	0.56		$	0.49		$	1.59		$	1.45
Weighted average shares – basic	92,448			92,277			92,631			91,995
Earnings per share – diluted:
Diluted earnings per share	$	0.54		$	0.48		$	1.55		$	1.41
Weighted average shares – diluted	94,755			94,445			94,958			94,268

The accompanying notes are an integral part of the condensed consolidated financial statements.

4

ANSYS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	Three Months Ended					Nine Months Ended
(in thousands)	September 30, 2012		September 30, 2011			September 30, 2012		September 30, 2011
Net income	$	51,619	$	45,546		$	147,420	$	133,218
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	7,049		(7,853		)	2,497		(1,485		)
Comprehensive income	$	58,668	$	37,693		$	149,917	$	131,733

The accompanying notes are an integral part of the condensed consolidated financial statements.

5

ANSYS, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine Months Ended
(in thousands)	September 30, 2012			September 30, 2011
Cash flows from operating activities:
Net income	$	147,420		$	133,218
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	63,669			46,916
Deferred income tax benefit	(12,679		)	(3,035		)
Provision for bad debts	170			278
Stock-based compensation expense	23,930			16,574
Excess tax benefits from stock options	(7,901		)	(7,030		)
Other	5			149
Changes in operating assets and liabilities:
Accounts receivable	10,584			12,072
Other receivables and current assets	(6,394		)	19,154
Other long-term assets	(11,336		)	(1,580		)
Accounts payable, accrued expenses and current liabilities	(9,794		)	17
Accrued income taxes	8,521			6,476
Deferred revenue	13,033			14,153
Other long-term liabilities	9,599			(7,315		)
Net cash provided by operating activities	228,827			230,047
Cash flows from investing activities:
Acquisitions, net of cash acquired	(46,395		)	(269,753		)
Capital expenditures	(17,882		)	(12,524		)
Purchases of short-term investments	(181		)	(282		)
Maturities of short-term investments	293			227
Net cash used in investing activities	(64,165		)	(282,332		)
Cash flows from financing activities:
Principal payments on long-term debt	(47,834		)	(21,260		)
Principal payments on capital leases	(14		)	(70		)
Purchase of treasury stock	(61,591		)	(12,704		)
Contingent consideration payments	(3,241		)	—
Proceeds from issuance of common stock under Employee Stock Purchase Plan	2,446			2,168
Proceeds from exercise of stock options	19,249			14,828
Excess tax benefits from stock options	7,901			7,030
Net cash used in financing activities	(83,084		)	(10,008		)
Effect of exchange rate fluctuations on cash and cash equivalents	1,481			(3,888		)
Net increase (decrease) in cash and cash equivalents	83,059			(66,181		)
Cash and cash equivalents, beginning of period	471,828			472,479
Cash and cash equivalents, end of period	$	554,887		$	406,298
Supplemental disclosures of cash flow information:
Income taxes paid	$	78,983		$	50,505
Interest paid	1,735			1,457

The accompanying notes are an integral part of the condensed consolidated financial statements.

6

ANSYS, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2012

(Unaudited)

1. Organization

ANSYS, Inc. (hereafter the “Company” or “ANSYS”) develops and globally markets engineering simulation software and technologies widely used by engineers, designers, researchers and students across a broad spectrum of industries and academia, including aerospace, automotive, manufacturing, electronics, biomedical, energy and defense.

In connection with its acquisitions of Esterel Technologies, S.A. ("Esterel") and Apache Design, Inc. (“Apache”) on August 1, 2012 and 2011, respectively, the Company has reviewed the accounting guidance issued for disclosures about segments of an enterprise. As defined by the accounting guidance, the Company operates as three segments. The Company determined that its operating segments, excluding Esterel, are sufficiently similar and should be aggregated under the criteria provided in the related accounting guidance. The Esterel operating segment did not meet the quantitative thresholds for separate disclosure.

Given the integrated approach to the multi-discipline problem-solving needs of the Company’s customers, a single sale of software may contain components from multiple product areas and include combined technologies. The Company also has a multi-year product and integration strategy that will result in new combined products or changes to the historical product offerings. As a result, it is impracticable for the Company to provide accurate historical or current reporting among its various product lines.

2. Accounting Policies

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared by ANSYS in accordance with accounting principles generally accepted in the United States for interim financial information for commercial and industrial companies and the instructions to the Quarterly Report on Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, the accompanying statements do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements. The accompanying condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements (and notes thereto) included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011. The condensed consolidated December 31, 2011 balance sheet presented is derived from the audited December 31, 2011 balance sheet included in the most recent Annual Report on Form 10-K. In the opinion of management, all adjustments considered necessary for a fair presentation of the financial statements have been included, and all adjustments are of a normal and recurring nature. Operating results for the three and nine months ended September 30, 2012 are not necessarily indicative of the results that may be expected for any future period.

Cash and Cash Equivalents

Cash and cash equivalents consist primarily of highly liquid investments such as deposits held at major banks and money market mutual funds. Cash equivalents are carried at cost, which approximates fair value. The Company’s cash and cash equivalent balances comprise the following:

	September 30, 2012			December 31, 2011
(in thousands, except percentages)	Amount		% of Total	Amount		% of Total
Cash accounts	$	284,339	51.2	$	289,298	61.3
Money market mutual funds	270,548		48.8	181,198		38.4
Time deposits	—		—	1,332		0.3
Total	$	554,887		$	471,828

The Company held 98% and 100% of its money market mutual fund balances in various funds of a single issuer as of September 30, 2012 and December 31, 2011, respectively.

7

3. Acquisitions

Esterel Technologies, S.A.

On August 1, 2012, the Company completed its acquisition of Esterel. Under the terms of the agreement, ANSYS acquired 100% of Esterel for a purchase price of $59.5 million, which included $13.1 million in acquired cash. The agreement also includes retention provisions for key members of management and employees, which are accounted for outside of the business combination. The Company funded the transaction entirely with existing cash balances.

Esterel's software enables software and systems engineers to design, simulate and produce embedded software, which is the control code built into the electronics in aircraft, rail transportation, automotive, energy systems, medical devices and other industrial products that have central processing units. The complementary combination is expected to accelerate development of new and innovative products to the marketplace while lowering design and engineering costs for customers.

The operating results of Esterel have been included in the Company's condensed consolidated financial statements since the date of acquisition, August 1, 2012. The acquired business contributed revenues of $670,000 and a net loss of $1.4 million to the Company during the period from August 1, 2012 to September 30, 2012.

During the three and nine month periods ended September 30, 2012, the Company incurred $190,000 and $860,000 in acquisition-related costs, respectively. These costs are included in selling, general and administrative expenses in the Company's condensed consolidated statements of income for the three and nine month periods ended September 30, 2012.

In valuing deferred revenue on the Esterel balance sheet as of the acquisition date, the Company applied the fair value provisions applicable to the accounting for business combinations. Although this acquisition accounting requirement had no impact on the Company’s business or cash flow, the Company’s reported revenue under accounting principles generally accepted in the United States, primarily for the first 12 months post-acquisition, will be less than the sum of what would otherwise have been reported by Esterel and ANSYS absent the acquisition. Acquired deferred revenue of $1.1 million was recorded on the opening balance sheet. This amount was approximately $11.0 million lower than the historical carrying value. The impact on reported revenue for the three and nine months ended September 30, 2012 was $2.6 million. The expected impact on reported revenue is $3.5 million and $3.9 million for the quarter ending December 31, 2012 and for the year ending December 31, 2013, respectively.

The assets and liabilities of Esterel have been recorded based upon management's estimates of their fair market values as of the acquisition date. The following tables summarize the fair value of consideration transferred and the fair values of identified assets acquired and liabilities assumed at the acquisition date:

Fair Value of Consideration Transferred:

(in thousands)
Cash	$	59,470

Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:

(in thousands)
Cash	$	13,075
Accounts receivable and other tangible assets	4,737
Customer relationships (12-year life)	21,421
Developed software (10-year life)	10,717
Platform trade name (indefinite life)	2,695
Accounts payable and other liabilities	(4,936		)
Deferred revenue	(1,139		)
Net deferred tax liabilities	(10,043		)
Total identifiable net assets	$	36,527
Goodwill	$	22,943

The goodwill, which is not tax-deductible, is attributed to intangible assets that do not qualify for separate recognition, including the assembled workforce of the acquired business and the synergies expected to arise as a result of the acquisition of Esterel.

8

The fair values of the intangible assets listed above are provisional pending receipt of the final valuation of those assets. In addition, Esterel is in the process of preparing its tax returns for the pre-acquisition period from January 1, 2012 to July 31, 2012. As a result, the estimates of fair value of the assets acquired and liabilities assumed are preliminary. The Company continues to evaluate and assess what was known and knowable as of the acquisition date.

Pro forma results of operations have not been presented as the effects of the Esterel business combination were not material to the Company's consolidated results of operations.

Apache Design, Inc.

On August 1, 2011, the Company completed its acquisition of Apache, a leading simulation software provider for advanced, low-power solutions in the electronics industry. Under the terms of the merger agreement, ANSYS acquired 100% of the outstanding shares of Apache for a purchase price of $314.0 million, which included $31.9 million in acquired cash and short-term investments on Apache’s balance sheet, $3.2 million in ANSYS replacement stock options issued to holders of partially-vested Apache stock options and $9.5 million in contingent consideration that is based on the retention of a key member of Apache’s management. The Company funded the transaction entirely with existing cash balances. The operating results of Apache have been included in the Company’s condensed consolidated financial statements since the date of acquisition, August 1, 2011.

The merger agreement includes a contingent consideration arrangement that requires additional payments of up to $12.0 million to be paid by the Company in equal installments to the Apache stockholders and holders of vested Apache options on each of the first three anniversaries of the closing of the acquisition. To receive these payments, a key member of Apache’s management must remain an employee of ANSYS on each of the first three anniversaries of the acquisition closing date. Management estimated that it was probable that all three payments would be made, and recorded the fair value of the contingent payments as a liability on the date of acquisition. The portion of contingent payments attributable to the key member of Apache management was determined to be compensation, and is accounted for outside of the business combination. The portion of the contingent payments attributable to other shareholders was determined to be contingent purchase price consideration and was estimated to be $9.5 million based on the net present value of the expected payments. Refer to Note 9 for a description of the valuation technique and inputs used to estimate the fair value of the contingent consideration. The Company made the first contingent payment of $4.0 million on August 1, 2012.

In accordance with the merger agreement, the Company granted performance-based restricted stock units to key members of Apache management and employees, with a maximum value of $13.0 million to be earned annually over a three-fiscal-year period beginning January 1, 2012. Vesting of the full award or a portion thereof is determined discretely for each of the three fiscal years based on the achievement of certain revenue and operating income targets by the Apache subsidiary, and the recipient’s continued employment through the measurement period. The value of each restricted stock unit on the August 1, 2011 grant date was $50.30, the closing price of ANSYS stock as of that date. Stock-based compensation expense based on the fair value of the awards is being recorded from the January 1, 2012 service inception date through the conclusion of the three-year measurement period based on management’s estimates concerning the probability of vesting. As of September 30, 2012, the Company had determined it was probable that at least a portion of these awards would vest, and recorded stock-based compensation expense in the amount of $960,000 and $2.9 million for the three and nine months ended September 30, 2012.

Under the merger agreement, holders of partially-vested Apache options at the date of acquisition received options to purchase ANSYS shares of common stock based on an agreed-upon conversion ratio (“the Replacement Awards”). The value of the Replacement Awards attributable to pre-combination service was estimated to be $3.2 million at the acquisition date, and was included in consideration transferred. The value of the Replacement Awards attributable to post-combination service is recognized as stock-based compensation in earnings during the post-acquisition period.

In valuing deferred revenue on the Apache balance sheet as of the acquisition date, the Company applied the fair value provisions applicable to the accounting for business combinations. Acquired deferred revenue of $10.1 million was recorded on the opening balance sheet. This amount was approximately $13.6 million lower than the historical carrying value. The impact on reported revenue for the three and nine months ended September 30, 2012 was $290,000 and $3.3 million, respectively, primarily in lease license revenue. The expected impact on reported revenue is $150,000 and $500,000 for the quarter ending December 31, 2012 and the year ending December 31, 2013, respectively.

9

The assets and liabilities of Apache have been recorded based on management’s estimates of their fair market values as of the acquisition date. The following tables summarize the fair value of consideration transferred and the fair values of identifiable assets acquired and liabilities assumed at the acquisition date:

Fair Value of Consideration Transferred:

(in thousands)
Cash	$	301,306
Contingent consideration	9,501
ANSYS replacement stock options	3,170
Total consideration transferred at fair value	$	313,977

Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:

(in thousands)
Cash and short-term investments	$	31,948
Accounts receivable and other tangible assets	6,011
Developed software (7-year life)	82,500
Customer relationships (15-year life)	36,100
Contract backlog (3-year life)	13,500
Platform trade names (indefinite lives)	21,900
Apache trade name (6-year life)	2,100
Accounts payable and other liabilities	(16,867		)
Deferred revenue	(10,100		)
Net deferred tax liabilities	(47,229		)
Total identifiable net assets	$	119,863
Goodwill	$	194,114

The goodwill, which is not tax-deductible, is attributed to intangible assets that do not qualify for separate recognition, including the assembled workforce of the acquired business and the synergies expected to arise as a result of the acquisition of Apache. During the one-year measurement period since the Apache acquisition date, the Company increased the values of net deferred tax liabilities from $46.1 million to $47.2 million, and identifiable intangible assets from $153.8 million to $156.1 million, with the offset recorded to goodwill. These adjustments were based on refinements to assumptions used in the preliminary valuation of intangible assets and new information regarding what was known and knowable as of the acquisition date in the calculation of the net deferred tax liabilities.

4. Other Current Assets

The Company reports accounts receivable, related to the portion of annual lease licenses and software maintenance that has not yet been recognized as revenue, as components of other receivables and current assets, and other long-term assets. The amounts reported in other receivables and current assets totaled $101.4 million and $112.8 million as of September 30, 2012 and December 31, 2011, respectively.

The Company reports income taxes receivable, including amounts related to overpayments and refunds, as a component of other receivables and current assets. These amounts totaled $53.0 million and $36.0 million as of September 30, 2012 and December 31, 2011, respectively.

5. Uncertain Tax Positions

The Company reports reserves for uncertain tax positions, including estimated penalties and interest, as a component of other long-term liabilities. These amounts totaled $36.8 million and $35.5 million as of September 30, 2012 and December 31, 2011, respectively.

6. Earnings Per Share

Basic earnings per share (“EPS”) amounts are computed by dividing earnings by the weighted average number of common shares outstanding during the period. Diluted EPS amounts assume the issuance of common stock for all potentially dilutive equivalents outstanding. To the extent stock options are anti-dilutive, they are excluded from the calculation of diluted EPS.

10

The details of basic and diluted EPS are as follows:

	Three Months Ended				Nine Months Ended
(in thousands, except per share data)	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
Net income	$	51,619	$	45,546	$	147,420	$	133,218
Weighted average shares outstanding – basic	92,448		92,277		92,631		91,995
Dilutive effect of stock plans	2,307		2,168		2,327		2,273
Weighted average shares outstanding – diluted	94,755		94,445		94,958		94,268
Basic earnings per share	$	0.56	$	0.49	$	1.59	$	1.45
Diluted earnings per share	$	0.54	$	0.48	$	1.55	$	1.41
Anti-dilutive options	1,216		1,185		1,291		1,172

7. Long-Term Debt

Borrowings consist of the following:

(in thousands)	September 30, 2012			December 31, 2011
Term loan payable in quarterly installments with a final maturity of July 31, 2013	$	79,723		$	127,557
Capitalized lease obligations	—			15
Total	79,723			127,572
Less current portion	(79,723		)	(74,423		)
Long-term debt and capital lease obligations, net of current portion	$	—		$	53,149

On July 31, 2008, ANSYS borrowed $355.0 million from a syndicate of banks. The interest rate on the indebtedness provides for tiered pricing with the initial rate at the prime rate +0.50%, or the LIBOR rate +1.50%, with step downs permitted after the initial six months under the credit agreement down to a flat prime rate or the LIBOR rate +0.75%. Such tiered pricing is determined by the Company’s consolidated leverage ratio. The Company’s consolidated leverage ratio has been reduced to the lowest pricing tier in the debt agreement. During the nine months ended September 30, 2012, the Company made the required quarterly principal payments of $47.8 million in the aggregate.

For the three and nine months ended September 30, 2012, the Company recorded interest expense related to the term loan at average interest rates of 1.21% and 1.25%, respectively. For the three and nine months ended September 30, 2011, the Company recorded interest expense related to the term loan at average interest rates of 1.00% and 1.04%, respectively. The interest expense on the term loan and amortization related to debt financing costs were as follows:

	Three Months Ended
	September 30, 2012				September 30, 2011
(in thousands)	Interest Expense		Amortization		Interest Expense		Amortization
July 31, 2008 term loan	$	329	$	172	$	379	$	236

	Nine Months Ended
	September 30, 2012				September 30, 2011
(in thousands)	Interest Expense		Amortization		Interest Expense		Amortization
July 31, 2008 term loan	$	1,117	$	565	$	1,210	$	733

11

The interest rate on the outstanding term loan balance of $79.7 million is set for the quarter ending December 31, 2012 at 1.11%, which is based on LIBOR +0.75%. The required future principal payments on the Company’s term loan as of September 30, 2012 are scheduled as follows:

(in thousands)
December 31, 2012	$	26,574
March 31, 2013	26,574
July 31, 2013 (maturity)	26,575
Term loan balance payable as of September 30, 2012	$	79,723

The credit agreement includes covenants related to the consolidated leverage ratio and the consolidated fixed charge coverage ratio, as well as certain restrictions on additional investments and indebtedness.

8. Goodwill and Intangible Assets

During the first quarter of 2012, the Company completed the annual impairment test for goodwill and intangible assets with indefinite lives and determined that these assets had not been impaired as of the test date, January 1, 2012. The Company performed a qualitative assessment, and as of the test date, there was sufficient evidence that it was not more likely than not that the fair values of its reporting units were less than their carrying amounts. The application of a qualitative assessment requires the Company to assess and make judgments regarding a variety of factors which potentially impact the fair value of a reporting unit, including general economic conditions, industry and market-specific conditions, customer behavior, cost factors, the Company’s financial performance and trends, the Company’s strategies and business plans, capital requirements, management and personnel issues, and the Company’s stock price, among others. The Company then considers the totality of these and other factors, placing more weight on the events and circumstances that are judged to most affect a reporting unit’s fair value or the carrying amount of its net assets, to reach a qualitative conclusion regarding whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. No events occurred or circumstances changed during the nine months ended September 30, 2012 that would indicate that the fair values of the Company’s reporting units are below their carrying amounts.

As of September 30, 2012 and December 31, 2011, the Company’s intangible assets and estimated useful lives are classified as follows:

	September 30, 2012					December 31, 2011
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Developed software and core technologies (7 – 10 years)	$	298,981	$	(168,563	)	$	287,392	$	(144,836	)
Customer lists and contract backlog (3 – 15 years)	245,109		(96,318		)	223,037		(76,630		)
Trade names (6 – 10 years)	102,624		(37,926		)	102,580		(30,380		)
Total	$	646,714	$	(302,807	)	$	613,009	$	(251,846	)
Unamortized intangible assets:
Trade names	$	25,073				$	22,257

The increase in the intangible assets reflected above was due to the August 1, 2012 acquisition of Esterel. Amortization expense for the intangible assets reflected above was $17.0 million and $13.5 million for the three months ended September 30, 2012 and 2011, respectively. Amortization expense for the intangible assets reflected above was $50.6 million and $36.6 million for the nine months ended September 30, 2012 and 2011, respectively.

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As of September 30, 2012, estimated future amortization expense for the intangible assets reflected above is as follows:

(in thousands)
Remainder of 2012	$	16,808
2013	60,235
2014	54,092
2015	50,454
2016	43,183
2017	39,575
Thereafter	79,560
Total intangible assets subject to amortization	343,907
Indefinite-lived trade names	25,073
Other intangible assets, net	$	368,980

The changes in goodwill during the nine months ended September 30, 2012 are as follows:

(in thousands)
Beginning balance – January 1, 2012	$	1,225,375
Acquisition of Esterel	22,943
Currency translation and other	4,388
Ending balance – September 30, 2012	$	1,252,706

9. Fair Value Measurement

The valuation hierarchy for disclosure of assets and liabilities reported at fair value prioritizes the inputs for such valuations into three broad levels:

• Level 1: quoted prices (unadjusted) in active markets for identical assets or liabilities;

• Level 2: quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument; or

• Level 3: unobservable inputs based on the Company’s own assumptions used to measure assets and liabilities at fair value.

A financial asset's or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

The following tables provide the assets and liabilities carried at fair value and measured on a recurring basis:

				Fair Value Measurements at Reporting Date Using:
(in thousands)	September 30, 2012			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Assets
Cash equivalents	$	270,548		$	270,548	$	—		$	—
Short-term investments	$	454		$	—	$	454		$	—
Liabilities
Contingent consideration	$	(6,404	)	$	—	$	—		$	(6,404	)
Deferred compensation	$	(1,387	)	$	—	$	—		$	(1,387	)
Foreign currency future	$	(207	)	$	—	$	(207	)	$	—

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				Fair Value Measurements at Reporting Date Using:
(in thousands)	December 31, 2011			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash equivalents	$	182,530		$	181,198	$	1,332	$	—
Short-term investments	$	576		$	—	$	576	$	—
Liabilities
Contingent consideration	$	(9,571	)	$	—	$	—	$	(9,571	)
Deferred compensation	$	(2,073	)	$	—	$	—	$	(2,073	)

The cash equivalents in the preceding tables represent money market mutual funds.

The short-term investments in the preceding tables represent deposits held by certain foreign subsidiaries of the Company. The deposits have fixed interest rates with maturity dates ranging from three months to one year. There were no unrealized gains or losses associated with these deposits for the three and nine months ended September 30, 2012 and 2011.

In August 2012, the Company entered into a foreign currency futures contract with a third-party U.S. financial institution, which will be settled in July 2013. The purpose of this contract is to mitigate the Company's exposure to foreign exchange risk arising from intercompany receivables from a British subsidiary. As of September 30, 2012, the Company's foreign exchange future is in a liability position of $207,000. The foreign exchange future is measured at fair value each reporting period, with gains or losses recognized in other expense in the Company's condensed consolidated statements of income.

On August 1, 2011, the Company completed its acquisition of Apache, a leading simulation software provider for advanced, low-power solutions in the electronics industry. The merger agreement includes a contingent consideration arrangement that requires additional payments of up to $12.0 million to be paid by the Company in equal installments to the Apache stockholders and holders of vested Apache options on each of the first three anniversaries of the closing of the acquisition. To receive these payments, a key member of Apache’s management must remain an employee of ANSYS on each of the first three anniversaries of the acquisition closing date. Management estimated that it was probable that all three payments would be made, and recorded the fair value of the contingent payments as a liability on the date of acquisition. The portion of contingent payments attributable to the key member of Apache management was determined to be deferred compensation, and is accounted for outside of the business combination. The Company paid the first $4.0 million installment for these contingent payments on August 1, 2012. A liability of $1.4 million for deferred compensation was recorded as of September 30, 2012 based on the net present value of the expected remaining payments. The portion of the contingent payments attributable to other shareholders was determined to be contingent purchase price consideration and was estimated to be $6.4 million based on the net present value of the expected remaining payments as of September 30, 2012. The net present value calculations for the deferred compensation and contingent consideration include a significant unobservable input in the assumption that the two remaining payments will be made, and therefore the liabilities were classified as Level 3 in the fair value hierarchy.

The following table presents the changes during the nine months ended September 30, 2012 in the Company’s Level 3 liabilities for contingent consideration and deferred compensation that are measured at fair value on a recurring basis:

	Fair Value Measurement Using Significant Unobservable Inputs
(in thousands)	Contingent Consideration			Deferred Compensation
Balance as of January 1, 2012	$	9,571		$	2,073
Interest expense included in earnings	43			9
Balance as of March 31, 2012	$	9,614		$	2,082
Interest expense included in earnings	43			9
Balance as of June 30, 2012	$	9,657		$	2,091
Contingent payments	(3,288		)	(712		)
Interest expense included in earnings	35			8
Balance as of September 30, 2012	$	6,404		$	1,387

The Company had no transfers of amounts in or out of Level 1 or Level 2 fair value measurements during the nine months ended September 30, 2012.

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The carrying values of cash, accounts receivable, accounts payable, accrued expenses, other accrued liabilities and short-term obligations approximate their fair values because of their short-term nature. The carrying value of long-term debt approximates its fair value due to the variable interest rate underlying the Company’s credit facility.

10. Geographic Information

Revenue to external customers is attributed to individual countries based upon the location of the customer. Revenue by geographic area is as follows:

	Three Months Ended				Nine Months Ended
(in thousands)	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
United States	$	65,345	$	53,597	$	195,407	$	151,107
Japan	31,676		29,804		90,850		82,232
Germany	20,195		18,521		60,648		52,486
Canada	2,510		3,327		8,778		8,816
Other European	41,023		39,657		125,163		119,719
Other international	36,160		28,029		96,424		78,880
Total revenue	$	196,909	$	172,935	$	577,270	$	493,240

Property and equipment by geographic area is as follows:

(in thousands)	September 30, 2012		December 31, 2011
United States	$	36,495	$	30,917
India	3,203		3,092
United Kingdom	2,884		3,077
France	2,266		2,388
Germany	2,034		1,843
Japan	1,235		1,447
Canada	826		938
Other European	1,261		957
Other international	974		979
Total property and equipment	$	51,178	$	45,638

11. Stock Repurchase Program

In February 2012, ANSYS announced that its Board of Directors approved an increase to its authorized stock repurchase program. Under the Company’s stock repurchase program, ANSYS repurchased 1.0 million shares during the nine months ended September 30, 2012 at an average price per share of $61.59, for a total cost of $61.6 million. During the nine months ended September 30, 2011, the Company repurchased 247,443 shares at an average price per share of $51.34, for a total cost of $12.7 million. As of September 30, 2012, 2.0 million shares remained authorized for repurchase under the program.

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12. Stock-based Compensation

Total stock-based compensation expense and its net impact on basic and diluted earnings per share are as follows:

	Three Months Ended						Nine Months Ended
(in thousands, except per share data)	September 30, 2012			September 30, 2011			September 30, 2012			September 30, 2011
Cost of sales:
Software licenses	$	369		$	197		$	1,139		$	270
Maintenance and service	558			486			1,680			1,407
Operating expenses:
Selling, general and administrative	3,873			3,211			11,275			9,162
Research and development	3,304			2,214			9,836			5,735
Stock-based compensation expense before taxes	8,104			6,108			23,930			16,574
Related income tax benefits	(2,062		)	(1,293		)	(6,330		)	(3,797		)
Stock-based compensation expense, net of taxes	$	6,042		$	4,815		$	17,600		$	12,777
Net impact on earnings per share
Basic earnings per share	$	(0.07	)	$	(0.05	)	$	(0.19	)	$	(0.14	)
Diluted earnings per share	$	(0.06	)	$	(0.05	)	$	(0.19	)	$	(0.14	)

13. Contingencies and Commitments

The Company is subject to various investigations, claims and legal proceedings that arise in the ordinary course of business, including alleged infringement of intellectual property rights, commercial disputes, labor and employment matters, tax audits and other matters. In the opinion of the Company, the resolution of pending matters is not expected to have a material, adverse effect on the Company’s consolidated results of operations, cash flows or financial position. However, each of these matters is subject to various uncertainties and it is possible that an unfavorable resolution of one or more of these proceedings could materially affect the Company’s results of operations, cash flows or financial position.

An Indian subsidiary of the Company received a formal inquiry after a service tax audit. The service tax issues raised in the Company’s notice are very similar to the case, M/s Microsoft Corporation (I) (P) Ltd. Vs Commissions of Service Tax, currently being appealed to the Delhi Customs, Excise and Service Tax Appellate Tribunal (CESTAT). If the ruling is in favor of Microsoft, the Company expects a similar outcome for its audit case. If the ruling is unfavorable in the case of Microsoft, the Company could incur tax charges and related liabilities, including those related to the service tax audit case, of up to $6 million. Of the two judicial members assigned to the Microsoft appeal, one member has ruled in favor of Microsoft and one has ruled in favor of the Commission. A third deciding judge will be appointed for a final decision. The Company can provide no assurances as to the outcome of the Microsoft appeal or to the impact of the Microsoft appeal on the Company’s audit case. The Company is uncertain as to when the service tax audit will be completed.

The Company sells software licenses and services to its customers under proprietary software license agreements. Each license agreement contains the relevant terms of the contractual arrangement with the customer, and generally includes certain provisions for indemnifying the customer against losses, expenses and liabilities from damages that are incurred by or awarded against the customer in the event the Company’s software or services are found to infringe upon a patent, copyright or other proprietary right of a third party. To date, the Company has not had to reimburse any of its customers for any losses related to these indemnification provisions and no material claims asserted under these indemnification provisions are outstanding as of September 30, 2012. For several reasons, including the lack of prior material indemnification claims, the Company cannot determine the maximum amount of potential future payments, if any, related to such indemnification provisions.

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14. New Accounting Guidance

Fair Value Measurements: In May 2011, new accounting guidance was issued to provide a consistent definition of fair value and to ensure that the fair value measurement and disclosure requirements are similar between generally accepted accounting principles in the United States and International Financial Reporting Standards. The guidance changes certain fair value measurement principles and enhances the disclosure requirements, particularly for Level 3 fair value measurements. This guidance was adopted by the Company effective January 1, 2012, and it did not have any impact on the Company’s financial position, results of operations or cash flows.

Presentation of Comprehensive Income: In June 2011, new accounting guidance was issued regarding the presentation of comprehensive income in consolidated financial statements. This guidance requires that all non-owner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. This guidance was retrospectively adopted by the Company effective January 1, 2012, and all non-owner changes in stockholders’ equity were presented in a separate statement.

Testing Goodwill for Impairment: In September 2011, new accounting guidance was issued regarding the requirement to test goodwill for impairment on at least an annual basis. Existing guidance requires that this test be performed by comparing the fair value of a reporting unit with its carrying amount, including goodwill (step one). If the fair value of a reporting unit is less than its carrying amount, then the second step of the test must be performed to measure the amount of the impairment loss, if any. Under the new guidance, an entity has the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, an entity determines it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then performing the two-step impairment test is unnecessary. However, if an entity concludes otherwise, then it is required to perform the first step of the two-step impairment test. This guidance was adopted by the Company effective January 1, 2012, and it did not have any impact on the Company’s financial position, results of operations or cash flows.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

ANSYS, Inc.

Canonsburg, Pennsylvania

We have reviewed the accompanying condensed consolidated balance sheet of ANSYS, Inc. and subsidiaries (the “Company”) as of September 30, 2012, and the related condensed consolidated statements of income and comprehensive income for the three-month and nine-month periods ended September 30, 2012 and 2011, and of cash flows for the nine-month periods ended September 30, 2012 and 2011. These interim financial statements are the responsibility of the Company’s management.

We conducted our reviews in accordance with the standards of the Public Company Accounting Oversight Board (United States). A review of interim financial information consists principally of applying analytical procedures and making inquiries of persons responsible for financial and accounting matters. It is substantially less in scope than an audit conducted in accordance with the standards of the Public Company Accounting Oversight Board (United States), the objective of which is the expression of an opinion regarding the financial statements taken as a whole. Accordingly, we do not express such an opinion.

Based on our reviews, we are not aware of any material modifications that should be made to such condensed consolidated interim financial statements for them to be in conformity with accounting principles generally accepted in the United States of America.

We have previously audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheet of ANSYS, Inc. and subsidiaries as of December 31, 2011, and the related consolidated statements of income, stockholders’ equity, and cash flows for the year then ended (not presented herein); and in our report dated February 23, 2012, we expressed an unqualified opinion on those consolidated financial statements. In our opinion, the information set forth in the accompanying condensed consolidated balance sheet as of December 31, 2011 is fairly stated, in all material respects, in relation to the consolidated balance sheet from which it has been derived.

/s/ Deloitte & Touche LLP

Pittsburgh, Pennsylvania

November 1, 2012

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Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations

Overview:

ANSYS, Inc.’s results for the three months ended September 30, 2012 reflect growth in revenues of 13.9%, operating income of 12.7% and diluted earnings per share of 12.5% as compared to the three months ended September 30, 2011. The Company’s results for the nine months ended September 30, 2012 reflect growth in revenues of 17.0%, operating income of 10.5% and diluted earnings per share of 9.9% as compared to the nine months ended September 30, 2011. The Company experienced higher revenues in 2012 from growth in both license and maintenance revenue, and from the acquisitions of Apache and Esterel. The results of operations include the results of Esterel for the period from the date of acquisition (August 1, 2012) through September 30, 2012. Revenue was adversely impacted by the overall strengthening of the U.S. Dollar against the Company’s primary foreign currencies. The net overall strengthening decreased revenue by $5.9 million and $12.4 million for the three and nine months ended September 30, 2012, as compared to the same periods in 2011. The growth in revenue was partially offset by increased operating expenses and additional amortization from intangible assets related to the Apache and Esterel acquisitions. The net overall strengthening of the U.S. Dollar reduced operating income during the three and nine months ended September 30, 2012 by $3.1 million and $5.5 million, respectively, as compared to the same periods in 2011.

The Company’s non-GAAP results for the three months ended September 30, 2012 reflect increases in revenue of 12.4%, operating income of 13.2% and diluted earnings per share of 12.1% as compared to the three months ended September 30, 2011. The Company’s non-GAAP results for the nine months ended September 30, 2012 reflect increases in revenue of 17.1%, operating income of 16.4% and diluted earnings per share of 14.6% as compared to the nine months ended September 30, 2011. The non-GAAP results exclude the income statement effects of the acquisition accounting adjustment to deferred revenue, stock-based compensation, acquisition-related amortization of intangible assets and transaction costs related to business combinations. For further disclosure regarding non-GAAP results, see the section titled “Non-GAAP Results” immediately preceding the section titled “Liquidity and Capital Resources”.

In valuing deferred revenue on the Apache and Esterel balance sheets as of their respective acquisition dates, the Company applied the fair value provisions applicable to the accounting for business combinations. Although this acquisition accounting requirement had no impact on the Company’s business or cash flow, the Company’s reported revenue under accounting principles generally accepted in the United States ("GAAP"), primarily for the first 12 months post-acquisition, will be less than the sum of what would otherwise have been reported by Apache, Esterel and ANSYS absent the acquisitions. Acquired deferred revenue of $10.1 million and $1.1 million was recorded on the opening balance sheets of Apache and Esterel, respectively. Collectively, these amounts were approximately $24.6 million lower than their historical carrying values. The impact on reported revenue for the three and nine months ended September 30, 2012 was $2.9 million and $5.9 million, respectively. The expected impact on reported revenue is $3.6 million and $4.4 million for the quarter ending December 31, 2012 and the year ending December 31, 2013, respectively.

Under the Company’s stock repurchase program, ANSYS repurchased 1.0 million shares during the nine months ended September 30, 2012 at an average price per share of $61.59. The Company’s financial position includes $555.3 million in cash and short-term investments, and working capital of $372.7 million as of September 30, 2012. The Company has outstanding borrowings under its term loan of $79.7 million.

ANSYS develops and globally markets engineering simulation software and services widely used by engineers, designers, researchers and students across a broad spectrum of industries and academia, including aerospace, automotive, manufacturing, electronics, biomedical, energy and defense. Headquartered south of Pittsburgh, Pennsylvania, the Company and its subsidiaries employed approximately 2,400 people as of September 30, 2012 and focus on the development of open and flexible solutions that enable users to analyze designs directly on the desktop, providing a common platform for fast, efficient and cost-conscious product development, from design concept to final-stage testing and validation. The Company distributes its ANSYS suite of simulation technologies through a global network of independent channel partners and direct sales offices in strategic, global locations. It is the Company’s intention to continue to maintain this hybrid sales and distribution model.

The Company licenses its technology to businesses, educational institutions and governmental agencies. Growth in the Company’s revenue is affected by the strength of global economies, general business conditions, currency exchange rate fluctuations, customer budgetary constraints and the competitive position of the Company’s products. The Company believes that the features, functionality and integrated multiphysics capabilities of its software products are as strong as they have ever been. However, the software business is generally characterized by long sales cycles. These long sales cycles increase the difficulty of predicting sales for any particular quarter. The Company makes many operational and strategic decisions based upon short- and long-term sales forecasts that are impacted not only by these long sales cycles but by current global economic conditions. As a result, the Company believes that its overall performance is best measured by fiscal year results rather than by quarterly results.

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The Company’s management considers the competition and price pressure that it faces in the short- and long-term by focusing on expanding the breadth, depth, ease of use and quality of the technologies, features, functionality and integrated multiphysics capabilities of its software products as compared to its competitors; investing in research and development to develop new and innovative products and increase the capabilities of its existing products; supplying new products and services; focusing on customer needs, training, consulting and support; and enhancing its distribution channels. From time to time, the Company also considers acquisitions to supplement its global engineering talent, product offerings and distribution channels.

Geographic Trends:

During the quarter ended September 30, 2012, North America contributed consistent and strong revenue growth. In addition, despite the ongoing macroeconomic concerns in Europe, the overall sales pipeline, renewal rates and customer engagements remained intact. Revenue growth for the quarter was particularly strong in Germany and the United Kingdom when compared to the prior-year quarter. While overall, the Company’s General International Area, which includes all geographies other than North America and Europe, has continued to show improvement, the Company’s growth in the Japan market has slowed due to the strength of the Japanese Yen and a general weakness in consumer electronics. Japan is the Company’s second largest market and, as such, the Company is focused on and has made progress on its Japan organizational recovery plan. China, Korea and Taiwan were also notable areas of sales strength during the quarter.

Toward the end of the third quarter and entering the fourth quarter, the Company has noted more cautious customer sentiment across all geographies.  This caution seems to be tied to macro-economic concerns around slowing global growth, the U.S. elections, the U.S. "fiscal cliff" and related potential tax law changes, and other global concerns.  The primary impact of this sentiment on the Company's business is a lengthening of sales cycles and a delay in customer purchasing decisions.

Industry Highlights:

During the quarter ended September 30, 2012, the Company had growth from a combination of large accounts, multi-nationals, emerging markets and industry verticals with time-sensitive, complex, multiphysics challenges. The Company’s revenue is derived from customers in many different industries, with no industry accounting for more than 20% of the Company’s sales. Although customers from all industries contributed to the 2012 third quarter results, there were a few sectors where the activity was more notable than the others, as explained below.

Automotive

The Company experienced automotive growth, particularly in North America and its General International Area. A variety of factors are positively affecting the automotive sector from a simulation perspective, including rising gas prices and government regulations. These factors are causing increased technology development for higher mileage cars, including suppliers speeding up electric vehicle and hybrid electric vehicle component development. In addition, customers are making investments in high growth product areas such as wireless connectivity, smart products, systems design, engine and transmission efficiency improvements, emissions reductions and hydraulics, all of which are areas requiring the breadth and depth of the Company’s product portfolio.

Aerospace and Defense

Despite uncertainty around the future size of the U.S. Department of Defense budget, aerospace and defense remained strong across most regions, including North America. Shrinking defense spending, volatile security environments, fuel cost spikes and increased regulations are driving systems engineering, green product development and operational cost reduction initiatives. Commercial space exploration provided opportunities for the Company’s portfolio of solutions, as well as the defense sector’s focus on advancement in intelligence, surveillance and reconnaissance. Engine and aerodynamic efficiency, the development of bio-fuels, the validation of design processes for new lightweight materials, the development of electronic systems, noise control technologies and quality control all require the need for more robust simulation.

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Electronics and Semiconductors

The Company has seen some recovery in the electronics and semiconductor sectors, with a variety of market trends and initiatives driving the need for systems simulation. Increasing product complexity, emerging product segments in mobility and smart products, as well as the increased adaptation of electronics and software in other industries are all creating a technology convergence. Higher signal speed and bandwidth create increased electromagnetic interference, while expanding wireless and product mobility trends are driving more complex radio frequency and microwave designs. Mechatronics and software integration are also increasing, whereby electrical, electronics, mechanical and software sub-systems are being integrated in order to adapt a system design approach to optimize product requirements by using simulation earlier in the design cycle. Smart wireless devices with 3-D integrated circuit technology are driving hardware and software co-simulation. Chip-Package-System solution initiatives continue to create significant opportunities, driven by today's designs of high performance electronics that can be addressed by the Company's comprehensive suite of multiphysics tools.

The following discussion should be read in conjunction with the accompanying unaudited condensed consolidated financial statements and notes thereto for the three and nine months ended September 30, 2012, and with the Company’s audited consolidated financial statements and notes thereto for the year ended December 31, 2011 filed on the Annual Report on Form 10-K with the Securities and Exchange Commission. The Company’s discussion and analysis of its financial condition and results of operations are based upon the Company’s condensed consolidated financial statements, which have been prepared in accordance with GAAP. The preparation of these financial statements requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. On an ongoing basis, the Company evaluates its estimates, including those related to fair value of stock awards, bad debts, contract revenue, valuation of goodwill, valuation of intangible assets, contingent consideration, deferred compensation, income taxes, and contingencies and litigation. The Company bases its estimates on historical experience, market experience, estimated future cash flows and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily available from other sources. Actual results may differ from these estimates.

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, including, but not limited to, the following statements, as well as statements that contain such words as “anticipates,” “intends,” “believes,” “plans” and other similar expressions:

• The Company’s expectation that it will continue to make targeted investments in its global sales and marketing organization and its global business infrastructure to enhance major account sales activities and to support its worldwide sales distribution and marketing strategies, and the business in general.

• The Company’s intentions related to investments in research and development, particularly as it relates to expanding the capabilities of its flagship products and other products within its broad portfolio of simulation software, evolution of its ANSYS^® Workbench^™ platform, HPC capabilities, robust design and ongoing integration.

• The Company’s plans related to future capital spending.

• The Company’s intentions regarding its hybrid sales and distribution model.

• The sufficiency of existing cash and cash equivalent balances to meet future working capital, capital expenditure and debt service requirements.

• The Company’s assessment of the ultimate liabilities arising from various investigations, claims and legal proceedings.

• The Company’s statement regarding the competitive position and strength of its software products.

• The Company’s statement regarding increased exposure to volatility of foreign exchange rates.

• The Company’s intentions related to investments in complementary companies, products, services and technologies.

• The Company’s expectations regarding the impact of the merger of its Japan subsidiaries on future income tax expense and cash flows from operations.

• The Company’s estimates regarding the expected impact on reported revenue related to the acquisition accounting treatment of deferred revenue.

• The Company’s estimation that it is probable the key member of Apache’s management will remain an employee of ANSYS on each of the first three anniversaries of the acquisition closing date.

• The Company’s anticipation that Apache will achieve certain revenue and operating income targets whereby it is probable that at least a portion of the performance-based restricted stock units will vest and that the recipients will continue employment through the measurement period.

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• The Company’s expectations regarding the accelerated development and delivery of new and innovative products to the marketplace while lowering design and engineering costs for customers as a result of the Esterel acquisition.

Forward-looking statements should not be unduly relied upon because they involve known and unknown risks, uncertainties and other factors, some of which are beyond the Company’s control. The Company’s actual results could differ materially from those set forth in forward-looking statements. Certain factors, among others, that might cause such a difference include risks and uncertainties disclosed in the Company’s most recent Annual Report on Form 10-K, Part I, Item 1A. Information regarding new risk factors or material changes to these risk factors have been included within Part II, Item 1A of this Quarterly Report on Form 10-Q.

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Results of Operations

The Company's three- and nine-month results of operations include the following Esterel results for the period from the acquisition date (August 1, 2012) through September 30, 2012:

(in thousands)	Three and Nine Months Ended September 30, 2012
Revenue	$	673
Cost of sales	313
Gross profit	360
Operating expenses:
Selling, general and administrative	1,749
Research and development	281
Amortization	114
Total operating expenses	2,144
Operating loss	$	(1,784	)

Unless specifically stated, the explanations below regarding changes in the Company's consolidated three- and nine-month results of operations for revenue and operating expenses exclude the results of Esterel. The explanations regarding results for all other items include the results of Esterel.

Three Months Ended September 30, 2012 Compared to Three Months Ended September 30, 2011

Revenue:

	Three Months Ended September 30,				Change
(in thousands, except percentages)	2012		2011		Amount			%
Revenue:
Lease licenses	$	70,527	$	55,671	$	14,856		26.7
Perpetual licenses	52,500		48,806		3,694			7.6
Software licenses	123,027		104,477		18,550			17.8
Maintenance	69,210		63,282		5,928			9.4
Service	4,672		5,176		(504		)	(9.7	)
Maintenance and service	73,882		68,458		5,424			7.9
Total revenue	$	196,909	$	172,935	$	23,974		13.9

The Company’s revenue in the quarter ended September 30, 2012 increased 13.9% as compared to the quarter ended September 30, 2011, including increases in license and maintenance revenue, slightly offset by a decrease in service revenue. The Company's revenue included Apache operations for a full three months in 2012 of $16.1 million as compared to two months in 2011 of $4.4 million. The growth was partially influenced by benefits from the Company’s continued investment in its global sales and marketing organization. Revenue from lease licenses increased 26.7% as compared to the quarter ended September 30, 2011 due to an increase in Apache-related lease license revenue and growth in sales of other lease licenses. Annual maintenance contracts that were sold with new perpetual licenses, along with maintenance contracts sold with new perpetual licenses in previous quarters, contributed to maintenance revenue growth of 9.4%. Perpetual license revenue, which is derived entirely from new sales during the quarter, increased 7.6% as compared to the prior year quarter. Esterel-related revenue for the period from the acquisition date (August 1, 2012) through September 30, 2012 was $670,000.

With respect to revenue, on average for the quarter ended September 30, 2012, the U.S. Dollar was approximately 5.7% stronger, when measured against the Company’s primary foreign currencies, than for the quarter ended September 30, 2011. The net overall strengthening resulted in decreased revenue and operating income of approximately $5.9 million and $3.1 million, respectively, during the quarter ended September 30, 2012, as compared with the same quarter of 2011.

A substantial portion of the Company’s license and maintenance revenue is derived from annual lease and maintenance contracts. These contracts are generally renewed on an annual basis and typically have a high rate of customer renewal. In addition to the recurring revenue base associated with these contracts, a majority of customers purchasing new perpetual licenses also purchase related annual maintenance contracts. As a result of the significant recurring revenue base, the

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Company’s license and maintenance revenue growth rate in any period does not necessarily correlate to the growth rate of new license and maintenance contracts sold during that period. To the extent the rate of customer renewal for lease and maintenance contracts is high, incremental lease contracts, and maintenance contracts sold with new perpetual licenses, will result in license and maintenance revenue growth. Conversely, if the rate of renewal for these contracts is adversely affected by economic or other factors, the Company’s license and maintenance growth will be adversely affected over the term that the revenue for those contracts would have otherwise been recognized.

As of September 30, 2012, the Company has a $15.3 million backlog of orders received but not invoiced.

International and domestic revenues, as a percentage of total revenue, were 66.8% and 33.2%, respectively, during the quarter ended September 30, 2012, and 69.0% and 31.0%, respectively, during the quarter ended September 30, 2011. The Company derived 25.8% and 26.8% of its total revenue through the indirect sales channel for the quarters ended September 30, 2012 and 2011, respectively.

In valuing deferred revenue on the Esterel and Apache balance sheets as of their respective acquisition dates, the Company applied the fair value provisions applicable to the accounting for business combinations. The impact on reported revenue for the three months ended September 30, 2012 was $2.9 million.

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Cost of Sales and Gross Profit:

	Three Months Ended September 30,
	2012			2011			Change
(in thousands, except percentages)	Amount		% of Revenue	Amount		% of Revenue	Amount		%
Cost of sales:
Software licenses	$	5,473	2.8	$	4,220	2.4	$	1,253	29.7
Amortization	10,244		5.2	8,993		5.2	1,251		13.9
Maintenance and service	18,039		9.2	17,814		10.3	225		1.3
Total cost of sales	33,756		17.1	31,027		17.9	2,729		8.8
Gross profit	$	163,153	82.9	$	141,908	82.1	$	21,245	15.0

Software Licenses: The increase in software license costs was primarily due to the following:

• Increased Apache-related costs of $1.2 million, primarily as a result of a full quarter of Apache activity in the current year quarter as compared to two months of activity in the prior year quarter.

Amortization: The increase in amortization expense was primarily due to the following:

• An additional $1.8 million of amortization of acquired Apache software as a result of a full quarter of Apache activity in the current quarter as compared to two months of activity in the prior year quarter.

• An $800,000 decrease in amortization of other acquired software.

The improvement in gross profit was a result of the increase in revenue offset by a smaller increase in related cost of sales.

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Operating Expenses:

	Three Months Ended September 30,
	2012			2011			Change
(in thousands, except percentages)	Amount		% of Revenue	Amount		% of Revenue	Amount		%
Operating expenses:
Selling, general and administrative	$	49,195	25.0	$	43,180	25.0	$	6,015	13.9
Research and development	33,506		17.0	28,899		16.7	4,607		15.9
Amortization	6,800		3.5	4,500		2.6	2,300		51.1
Total operating expenses	$	89,501	45.5	$	76,579	44.3	$	12,922	16.9

Selling, General and Administrative: The increase in selling, general and administrative costs was primarily due to the following:

• Increased salaries and headcount-related costs of $2.3 million.

• Esterel-related expenses of $1.7 million for the period from the acquisition (August 1, 2012) through September 30, 2012.

• Increased Apache-related expenses of $1.0 million, primarily as a result of a full quarter of Apache activity in the current year quarter as compared to two months of activity in the prior year quarter.

• Increased stock-based compensation expense of $700,000.

The Company anticipates that it will continue to make targeted investments in its global sales and marketing organization and its global business infrastructure to enhance major account sales activities and to support its worldwide sales distribution and marketing strategies, and the business in general.

Research and Development: The increase in research and development costs was primarily due to the following:

• Increased Apache-related expenses of $1.6 million, primarily as a result of a full quarter of Apache activity in the current year quarter as compared to two months of activity in the prior year quarter.

• Increased salaries of $1.3 million.

• Increased stock-based compensation expense of $1.1 million.

• Increased depreciation expense of $500,000.

• Decreased incentive compensation of $700,000.

The Company has traditionally invested significant resources in research and development activities and intends to continue to make investments in this area, particularly as it relates to expanding the capabilities of its flagship products and other products within its broad portfolio of simulation software, evolution of its ANSYS^® Workbench^™ platform, HPC capabilities, robust design and ongoing integration.

Amortization: The increase in amortization expense was primarily due to the following:

• An additional $2.5 million of amortization of acquired Apache intangible assets, including customer lists, contract backlog and a trade name, as a result of a full quarter of Apache activity in the current quarter as compared to two months of activity in the prior-year quarter.

• A $300,000 decrease in amortization of other acquired customer lists.

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Interest Expense: The Company’s interest expense consists of the following:

	Three Months Ended
(in thousands)	September 30, 2012		September 30, 2011
Term loan	$	329	$	379
Amortization of debt financing costs	172		236
Discounted obligations	115		118
Other	16		20
Total interest expense	$	632	$	753

Interest Income: Interest income for the quarter ended September 30, 2012 was $774,000 as compared to $789,000 during the quarter ended September 30, 2011. Interest income decreased as a result of a decrease in the average rate of return on invested cash balances.

Other Expense (Income), net: The Company recorded other expense of $355,000 during the three months ended September 30, 2012 as compared to other income of $78,000 during the three months ended September 30, 2011. The activity for both three-month periods was primarily composed of net foreign currency transaction losses and gains.

Income Tax Provision: The Company recorded income tax expense of $21.8 million and had income before income taxes of $73.4 million for the quarter ended September 30, 2012. This represents an effective tax rate of 29.7% in the third quarter of 2012. During the quarter ended September 30, 2011, the Company recorded income tax expense of $19.9 million and had income before income taxes of $65.4 million. The Company’s effective tax rate was 30.4% in the third quarter of 2011.

When compared to the federal and state combined statutory rate, these rates are favorably impacted by lower statutory tax rates in many of the Company’s foreign jurisdictions, the domestic manufacturing deduction, research and experimentation credits and tax benefits associated with the merger of the Company’s Japan subsidiaries in 2010. In the U.S., which is the largest jurisdiction where the Company receives such a tax credit, the availability of the research and development credit expired at the end of 2011. It is uncertain whether the U.S. Congress will reinstate this credit or, if reinstated, the amount of the credit that might be available for 2012 or future periods. These rates are also impacted by charges or benefits associated with the Company’s uncertain tax positions.

As a result of the 2010 subsidiary merger in Japan, the Company realized a reduction in its third quarter 2012 income tax expense of $2.3 million related to tax credits in the U.S. associated with foreign taxes paid in Japan. The Company also expects the 2010 Japan subsidiary merger to reduce future income tax expense by the following amounts:

	Estimated Reduction in Income Tax Expense
Q4 2012	$2.2 - $2.3 million
FY 2013	$8.9 - $9.1 million
FY 2014	$8.9 - $9.1 million
FY 2015	$6.7 - $6.9 million

Refer to the section titled, “Liquidity and Capital Resources” for the estimated impact of the Japan subsidiary merger on future cash flows.

Net Income: The Company’s net income in the third quarter of 2012 was $51.6 million as compared to net income of $45.5 million in the third quarter of 2011. Diluted earnings per share was $0.54 in the third quarter of 2012 and $0.48 in the third quarter of 2011. The weighted average shares used in computing diluted earnings per share were 94.8 million in the third quarter of 2012 and 94.4 million in the third quarter of 2011.

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Results of Operations

Nine Months EndedSeptember 30, 2012 Compared to Nine Months EndedSeptember 30, 2011

Revenue:

	Nine Months Ended September 30,				Change
(in thousands, except percentages)	2012		2011		Amount		%
Revenue:
Lease licenses	$	206,501	$	155,945	$	50,556	32.4
Perpetual licenses	153,432		141,835		11,597		8.2
Software licenses	359,933		297,780		62,153		20.9
Maintenance	202,606		181,603		21,003		11.6
Service	14,731		13,857		874		6.3
Maintenance and service	217,337		195,460		21,877		11.2
Total revenue	$	577,270	$	493,240	$	84,030	17.0

The Company’s revenue in the nine months ended September 30, 2012 increased 17.0% as compared to the nine months ended September 30, 2011, including increases in all major revenue categories. The Company's revenue included Apache operations for a full nine months in 2012 of $45.4 million as compared to two months in 2011 of $4.4 million. The revenue growth was also partially influenced by benefits from the Company’s continued investment in its global sales and marketing organization. Revenue from lease licenses increased 32.4% as compared to the nine months ended September 30, 2011 due to an increase in Apache-related lease license revenue and growth in sales of other lease licenses. Annual maintenance contracts that were sold with new perpetual licenses, along with maintenance contracts sold with new perpetual licenses in previous quarters, contributed to maintenance revenue growth of 11.6%. Perpetual license revenue, which is derived entirely from new sales during the period, increased 8.2% as compared to the nine months ended September 30, 2011. Service revenue increased 6.3% as compared to the nine months ended September 30, 2011, primarily the result of increased revenue from engineering consulting services. Esterel-related revenue for the period from the acquisition date (August 1, 2012) through September 30, 2012 was $670,000.

With respect to revenue, on average for the nine months ended September 30, 2012, the U.S. Dollar was approximately 4.1% stronger, when measured against the Company’s primary foreign currencies, than for the nine months ended September 30, 2011. The net overall strengthening resulted in decreased revenue and operating income of approximately $12.4 million and $5.5 million, respectively, during the nine months ended September 30, 2012, as compared to the nine months ended September 30, 2011.

International and domestic revenues, as a percentage of total revenue, were 66.1% and 33.9%, respectively, during the nine months ended September 30, 2012, and 69.4% and 30.6%, respectively, during the nine months ended September 30, 2011. The Company derived 25.6% and 26.8% of its total revenue through the indirect sales channel for the nine months ended September 30, 2012 and 2011, respectively.

In valuing deferred revenue on the Esterel and Apache balance sheets as of their respective acquisition dates, the Company applied the fair value provisions applicable to the accounting for business combinations. The impact on reported revenue for the nine months ended September 30, 2012 was $5.9 million.

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Cost of Sales and Gross Profit:

	Nine Months Ended September 30,
	2012			2011			Change
(in thousands, except percentages)	Amount		% of Revenue	Amount		% of Revenue	Amount		%
Cost of sales:
Software licenses	$	17,758	3.1	$	10,144	2.1	$	7,614	75.1
Amortization	30,583		5.3	23,993		4.9	6,590		27.5
Maintenance and service	54,494		9.4	51,535		10.4	2,959		5.7
Total cost of sales	102,835		17.8	85,672		17.4	17,163		20.0
Gross profit	$	474,435	82.2	$	407,568	82.6	$	66,867	16.4

Software Licenses: The increase in software license costs was primarily due to the following:

• Increased Apache-related costs of $6.7 million, primarily as a result of nine months of Apache activity in the current year as compared to two months of activity in the prior year.

• Increased stock-based compensation expense of $900,000.

Amortization: The increase in amortization expense was primarily due to the following:

• An additional $8.5 million of amortization of acquired Apache software as a result of nine months of Apache activity in the current year as compared to two months of activity in the prior year.

• A $2.3 million decrease in amortization of other acquired software.

Maintenance and Service: The increase in maintenance and service costs is primarily due to the following:

• Increased salaries and headcount-related costs of $1.4 million.

• Increased depreciation expense of $500,000.

• Increased stock-based compensation expense of $300,000.

The improvement in gross profit was a result of the increase in revenue offset by a smaller increase in related cost of sales.

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Operating Expenses:

	Nine Months Ended September 30,
	2012			2011			Change
(in thousands, except percentages)	Amount		% of Revenue	Amount		% of Revenue	Amount		%
Operating expenses:
Selling, general and administrative	$	143,424	24.8	$	123,786	25.1	$	19,638	15.9
Research and development	98,422		17.0	78,779		16.0	19,643		24.9
Amortization	19,975		3.5	12,587		2.6	7,388		58.7
Total operating expenses	$	261,821	45.4	$	215,152	43.6	$	46,669	21.7

Selling, General and Administrative: The increase in selling, general and administrative costs was primarily due to the following:

• Increased Apache-related expenses of $7.6 million, primarily as a result of nine months of Apache activity in the current year as compared to two months of activity in the prior year.

• Increased salaries and headcount-related costs of $6.7 million.

• Increased stock-based compensation expense of $2.1 million.

• Esterel-related expenses of $1.7 million for the period from the acquisition (August 1, 2012) through September 30, 2012.

Research and Development: The increase in research and development costs was primarily due to the following:

• Increased Apache-related expenses of $9.2 million, primarily as a result of nine months of Apache activity in the current year as compared to two months of activity in the prior year.

• Increased stock-based compensation expense of $4.1 million.

• Increased salaries and headcount-related costs of $4.6 million.

Amortization: The increase in amortization expense was primarily the result of an additional $8.0 million of amortization of acquired Apache intangible assets, including customer lists, contract backlog and a trade name, as a result of a full nine months of Apache activity in the current year as compared to two months of activity in the prior year.

Interest Expense: The Company’s interest expense consists of the following:

	Nine Months Ended
(in thousands)	September 30, 2012		September 30, 2011
Term loan	$	1,117	$	1,210
Amortization of debt financing costs	565		733
Discounted obligations	435		313
Other	56		74
Total interest expense	$	2,173	$	2,330

Interest Income: Interest income for the nine months ended September 30, 2012 was $2.6 million as compared to $2.2 million during the nine months ended September 30, 2011. Interest income increased as a result of additional interest income associated with an increase in invested cash balances.

Other Expense, net: The Company recorded other expense of $1.0 million during the nine months ended September 30, 2012 as compared to other expense of $544,000 during the nine months ended September 30, 2011. The activity for both nine-month periods was primarily composed of net foreign currency transaction losses.

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Income Tax Provision: The Company recorded income tax expense of $64.6 million and had income before income taxes of $212.0 million for the nine months ended September 30, 2012. This represents an effective tax rate of 30.5% for the nine months ended September 30, 2012. During the nine months ended September 30, 2011, the Company recorded income tax expense of $58.5 million and had income before income taxes of $191.7 million. The Company’s effective tax rate was 30.5% for the nine months ended September 30, 2011.

As a result of the 2010 subsidiary merger in Japan, the Company realized a reduction in its income tax expense of $6.8 million for the nine months ended September 30, 2012 related to tax credits in the U.S. associated with foreign taxes paid in Japan. Refer to the section titled, “Liquidity and Capital Resources” for the estimated impact on future cash flows and the discussion titled, “Income Tax Provision” in the three-month comparative analysis within “Results of Operations” for the estimated impact on future income tax expense.

Net Income: The Company’s net income for the nine months ended September 30, 2012 was $147.4 million as compared to net income of $133.2 million for the nine months ended September 30, 2011. Diluted earnings per share was $1.55 for the nine months ended September 30, 2012 and $1.41 for the nine months ended September 30, 2011. The weighted average shares used in computing diluted earnings per share were 95.0 million and 94.3 million during the nine-month periods ended September 30, 2012 and 2011, respectively.

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Non-GAAP Results

The Company provides non-GAAP revenue, non-GAAP operating income, non-GAAP operating profit margin, non-GAAP net income and non-GAAP diluted earnings per share as supplemental measures to GAAP measures regarding the Company’s operational performance. These financial measures exclude the impact of certain items and, therefore, have not been calculated in accordance with GAAP. A detailed explanation and a reconciliation of each non-GAAP financial measure to its most comparable GAAP financial measure are described below.

	Three Months Ended
	September 30, 2012									September 30, 2011
(in thousands, except percentages and per share data)	As Reported			Adjustments			Non-GAAP Results			As Reported			Adjustments			Non-GAAP Results
Total revenue	$	196,909		$	2,923	(1)	$	199,832		$	172,935		$	4,925	(4)	$	177,860
Operating income	73,652			28,265		(2)	101,917			65,329			24,665		(5)	89,994
Operating profit margin	37.4		%				51.0		%	37.8		%				50.6		%
Net income	$	51,619		$	18,815	(3)	$	70,434		$	45,546		$	16,557	(6)	$	62,103
Earnings per share – diluted:
Diluted earnings per share	$	0.54					$	0.74		$	0.48					$	0.66
Weighted average shares – diluted	94,755						94,755			94,445						94,445

(1) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with accounting for deferred revenue in business combinations.

(2) Amount represents $17.0 million of amortization expense associated with intangible assets acquired in business combinations, $8.1 million of stock-based compensation expense, the $2.9 million adjustment to revenue as reflected in (1) above and $0.2 million of transaction expenses related to the Esterel acquisition.

(3) Amount represents the impact of the adjustments to operating income referred to in (2) above, adjusted for the related income tax impact of $9.5 million.

(4) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with accounting for deferred revenue in business combinations.

(5) Amount represents $13.5 million of amortization expense associated with intangible assets acquired in business combinations, $6.1 million of stock-based compensation expense, the $4.9 million adjustment to revenue as reflected in (4) above and $0.2 million of transaction expenses related to the Apache acquisition.

(6) Amount represents the impact of the adjustments to operating income referred to in (5) above, adjusted for the related income tax impact of $8.1 million.

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	Nine Months Ended
	September 30, 2012									September 30, 2011
(in thousands, except percentages and per share data)	As Reported			Adjustments			Non-GAAP Results			As Reported			Adjustments			Non-GAAP Results
Total revenue	$	577,270		$	5,916	(1)	$	583,186		$	493,240		$	4,925	(4)	$	498,165
Operating income	212,614			81,264		(2)	293,878			192,416			60,072		(5)	252,488
Operating profit margin	36.8		%				50.4		%	39.0		%				50.7		%
Net income	$	147,420		$	54,040	(3)	$	201,460		$	133,218		$	40,917	(6)	$	174,135
Earnings per share – diluted:
Diluted earnings per share	$	1.55					$	2.12		$	1.41					$	1.85
Weighted average shares – diluted	94,958						94,958			94,268						94,268

(1) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with accounting for deferred revenue in business combinations.

(2) Amount represents $50.6 million of amortization expense associated with intangible assets acquired in business combinations, $23.9 million of stock-based compensation expense, the $5.9 million adjustment to revenue as reflected in (1) above and $0.9 million of transaction expenses related to the Esterel acquisition.

(3) Amount represents the impact of the adjustments to operating income referred to in (2) above, adjusted for the related income tax impact of $27.2 million.

(4) Amount represents the revenue not reported during the period as a result of the acquisition accounting adjustment associated with accounting for deferred revenue in business combinations.

(5) Amount represents $36.6 million of amortization expense associated with intangible assets acquired in business combinations, $16.6 million of stock-based compensation expense, the $4.9 million adjustment to revenue as reflected in (4) above and $2.0 million of transaction expenses related to the Apache acquisition.

(6) Amount represents the impact of the adjustments to operating income referred to in (5) above, adjusted for the related income tax impact of $19.2 million.

Non-GAAP Measures

Management uses non-GAAP financial measures (a) to evaluate the Company’s historical and prospective financial performance as well as its performance relative to its competitors, (b) to set internal sales targets and spending budgets, (c) to allocate resources, (d) to measure operational profitability and the accuracy of forecasting, (e) to assess financial discipline over operational expenditures and (f) as an important factor in determining variable compensation for management and its employees. In addition, many financial analysts that follow the Company focus on and publish both historical results and future projections based on non-GAAP financial measures. The Company believes that it is in the best interest of its investors to provide this information to analysts so that they accurately report the non-GAAP financial information. Moreover, investors have historically requested and the Company has historically reported these non-GAAP financial measures as a means of providing consistent and comparable information with past reports of financial results.

While management believes that these non-GAAP financial measures provide useful supplemental information to investors, there are limitations associated with the use of these non-GAAP financial measures. These non-GAAP financial measures are not prepared in accordance with GAAP, are not reported by all of the Company’s competitors and may not be directly comparable to similarly titled measures of the Company’s competitors due to potential differences in the exact method of calculation. The Company compensates for these limitations by using these non-GAAP financial measures as supplements to GAAP financial measures and by reviewing the reconciliations of the non-GAAP financial measures to their most comparable GAAP financial measures.

The adjustments to these non-GAAP financial measures, and the basis for such adjustments, are outlined below:

Acquisition accounting for deferred revenue and its related tax impact. Historically, the Company has consummated acquisitions in order to support its strategic and other business objectives. In accordance with the fair value provisions applicable to the accounting for business combinations, acquired deferred revenue is often recorded on the opening balance sheet at an amount that is lower than the historical carrying value. Although this purchase accounting requirement has no impact on the Company’s business or cash flow, it adversely impacts the Company’s reported GAAP revenue in the reporting periods following an acquisition. In order to provide investors with financial information that facilitates comparison of both historical and future results, the Company provides non-GAAP financial measures which exclude the impact of the acquisition

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accounting adjustment. The Company believes that this non-GAAP financial adjustment is useful to investors because it allows investors to (a) evaluate the effectiveness of the methodology and information used by management in its financial and operational decision-making and (b) compare past and future reports of financial results of the Company as the revenue reduction related to acquired deferred revenue will not recur when related annual lease licenses and software maintenance contracts are renewed in future periods.

Amortization of intangibles from acquisitions and its related tax impact. The Company incurs amortization of intangibles, included in its GAAP presentation of amortization expense, related to various acquisitions it has made in recent years. Management excludes these expenses and their related tax impact for the purpose of calculating non-GAAP operating income, non-GAAP operating profit margin, non-GAAP net income and non-GAAP diluted earnings per share when it evaluates the continuing operational performance of the Company because these costs are fixed at the time of an acquisition, are then amortized over a period of several years after the acquisition and generally cannot be changed or influenced by management after the acquisition. Accordingly, management does not consider these expenses for purposes of evaluating the performance of the Company during the applicable time period after the acquisition, and it excludes such expenses when making decisions to allocate resources.

The Company believes that these non-GAAP financial measures are useful to investors because they allow investors to (a) evaluate the effectiveness of the methodology and information used by management in its financial and operational decision-making and (b) compare past reports of financial results of the Company as the Company has historically reported these non-GAAP financial measures.

Stock-based compensation expense and its related tax impact. The Company incurs expense related to stock-based compensation included in its GAAP presentation of cost of software licenses; cost of maintenance and service; research and development expense and selling, general and administrative expense. Although stock-based compensation is an expense of the Company and viewed as a form of compensation, management excludes these expenses for the purpose of calculating non-GAAP operating income, non-GAAP operating profit margin, non-GAAP net income and non-GAAP diluted earnings per share when it evaluates the continuing operational performance of the Company. Specifically, the Company excludes stock-based compensation during its annual budgeting process and its quarterly and annual assessments of the Company’s and management’s performance. The annual budgeting process is the primary mechanism whereby the Company allocates resources to various initiatives and operational requirements. Additionally, the annual review by the board of directors during which it compares the Company’s historical business model and profitability to the planned business model and profitability for the forthcoming year excludes the impact of stock-based compensation. In evaluating the performance of senior management and department managers, charges related to stock-based compensation are excluded from expenditure and profitability results. In fact, the Company records stock-based compensation expense into a stand-alone cost center for which no single operational manager is responsible or accountable. In this way, management is able to review, on a period-to-period basis, each manager’s performance and assess financial discipline over operational expenditures without the effect of stock-based compensation. The Company believes that these non-GAAP financial measures are useful to investors because they allow investors to (a) evaluate the Company’s operating results and the effectiveness of the methodology used by management to review the Company’s operating results, and (b) review historical comparability in its financial reporting as well as comparability with competitors’ operating results.

Transaction costs related to business combinations. The Company incurs expenses for professional services rendered in connection with business combinations, which are included in its GAAP presentation of selling, general and administrative expense. These expenses are generally not tax-deductible. Management excludes these acquisition-related transaction costs for the purpose of calculating non-GAAP operating income, non-GAAP operating profit margin, non-GAAP net income and non-GAAP diluted earnings per share when it evaluates the continuing operational performance of the Company, as it generally would not have otherwise incurred these expenses in the periods presented as a part of its continuing operations. The Company believes that these non-GAAP financial measures are useful to investors because they allow investors to (a) evaluate the Company’s operating results and the effectiveness of the methodology used by management to review the Company’s operating results, and (b) review historical comparability in its financial reporting as well as comparability with competitors’ operating results.

Non-GAAP financial measures are not in accordance with, or an alternative for, generally accepted accounting principles in the United States. The Company’s non-GAAP financial measures are not meant to be considered in isolation or as a substitute for comparable GAAP financial measures, and should be read only in conjunction with the Company’s consolidated financial statements prepared in accordance with GAAP.

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The Company has provided a reconciliation of the non-GAAP financial measures to the most directly comparable GAAP financial measures as listed below:

GAAP Reporting Measure	Non-GAAP Reporting Measure
Revenue	Non-GAAP Revenue
Operating Income	Non-GAAP Operating Income
Operating Profit Margin	Non-GAAP Operating Profit Margin
Net Income	Non-GAAP Net Income
Diluted Earnings Per Share	Non-GAAP Diluted Earnings Per Share

35

Liquidity and Capital Resources

Cash, cash equivalents and short-term investments: As of September 30, 2012, the Company had cash, cash equivalents and short-term investments totaling $555.3 million and working capital of $372.7 million as compared to cash, cash equivalents and short-term investments of $472.4 million and working capital of $301.3 million at December 31, 2011.

Cash and cash equivalents consist primarily of highly liquid investments such as money market mutual funds and deposits held at major banks. Short-term investments consist primarily of deposits held by certain foreign subsidiaries of the Company with original maturities of three months to one year. Cash, cash equivalents and short-term investments include $175.9 million held by the Company’s foreign subsidiaries as of September 30, 2012. If these foreign balances were repatriated to the U.S., they would be subject to domestic tax, resulting in a tax obligation in the period of repatriation. The amount of cash, cash equivalents and short-term investments held by these subsidiaries is subject to translation adjustments caused by changes in foreign currency exchange rates as of the end of each respective reporting period, the offset to which is recorded in accumulated other comprehensive income on the Company’s condensed consolidated balance sheet.

Cash flows from operating activities: The Company’s operating activities provided cash of $228.8 million for the nine months ended September 30, 2012 and $230.0 million for the nine months ended September 30, 2011. The net $1.2 milliondecrease in operating cash flows in the nine months ended September 30, 2012 as compared to the nine months ended September 30, 2011 was primarily related to:

• A $28.8 milliondecrease in cash flows from operating assets and liabilities whereby these fluctuations produced a net cash inflow of $14.2 million during the nine months ended September 30, 2012 as compared to $43.0 million during the nine months ended September 30, 2011.

• An increase in other non-cash operating adjustments of $13.3 million from $53.9 million for the nine months ended September 30, 2011 to $67.2 million for the nine months ended September 30, 2012.

• An increase in net income of $14.2 million from $133.2 million for the nine months ended September 30, 2011 to $147.4 million for the nine months ended September 30, 2012.

Cash flows from investing activities: The Company’s investing activities used cash of $64.2 million and $282.3 million for the nine months ended September 30, 2012 and September 30, 2011, respectively. The Company had net acquisition-related cash outlays of $46.4 million and $269.8 million during the nine month periods ended September 30, 2012 and September 30, 2011, respectively. Total capital spending was $17.9 million and $12.5 million for the nine months ended September 30, 2012 and 2011, respectively. In May 2012, the Company acquired an office building adjacent to its Canonsburg headquarters in order to provide flexibility for future expansion and the growing employee population. The cost of this property was $4.8 million. The Company currently plans capital spending of approximately $23.0 million to $28.0 million during fiscal year 2012 as compared to $22.1 million of capital spending during fiscal year 2011. However, the level of spending will be dependent upon various factors, including growth of the business and general economic conditions.

Cash flows used in financing activities: Financing activities used cash of $83.1 million and $10.0 million for the nine months ended September 30, 2012 and 2011, respectively. This change of $73.1 million was primarily the result of an increase in cash used for treasury stock repurchases of $48.9 million and a $26.6 million increase in principal payments on long-term debt during the 2012 period as compared to the 2011 period.

The Company’s term loan includes covenants related to the consolidated leverage ratio and the consolidated fixed charge coverage ratio, as well as certain restrictions on additional investments and indebtedness. As of September 30, 2012, the Company is in compliance with all financial covenants as stated in the credit agreement.

The Company believes that existing cash and cash equivalent balances of $554.9 million, together with cash generated from operations, will be sufficient to meet the Company’s working capital, capital expenditure and debt service requirements through the next twelve months. The Company’s cash requirements in the future may also be financed through additional equity or debt financings. There can be no assurance that such financings can be obtained on favorable terms, if at all.

As of September 30, 2012, 2.0 million shares remain authorized for repurchase under the Company’s stock repurchase program.

The Company continues to generate positive cash flows from operating activities and believes that the best use of its excess cash is to repay its long-term debt, to invest in the business and, under certain favorable conditions, to repurchase stock. Additionally, the Company has in the past, and expects in the future, to acquire or make investments in complementary companies, products, services and technologies. Any future acquisitions may be funded by available cash and investments, cash generated from operations, existing or additional credit facilities, or from the issuance of additional securities.

36

On August 1, 2012, the Company completed its acquisition of Esterel Technologies, S.A., a leading provider of embedded software simulation solutions for mission critical applications. Under the terms of the agreement, ANSYS acquired 100% of Esterel for a purchase price of approximately $59.5 million, which included $13.1 million in acquired cash. The agreement also includes retention provisions for key members of management and employees. The Company funded the transaction entirely with existing cash balances. The complementary combination is expected to accelerate development of new and innovative products to the marketplace while lowering design and engineering costs for customers.

The Company has a $3.1 million line of credit available on a purchase card.

The Company's operating cash flow has been favorably impacted by the 2010 merger of the Company's Japan subsidiaries. The Company saw a reduction in these cash flow savings of $16.8 million for the nine months ended September 30, 2012 when compared to the same period in 2011. This merger is expected to favorably impact the Company’s cash flow from operations in future periods as follows:

	Estimated Future Cash Flow Savings
Fiscal year 2012 - 2013	$8 - $9 million per year
Fiscal year 2014 - 2015	$9 - $10 million per year
Fiscal year 2016 - 2017	$10 - $11 million per year
Fiscal year 2018	$4 - $5 million
Uncertain timing	$21 million
Total future benefits	$79 - $86 million

With respect to the amounts in the preceding table whereby the timing is listed as “uncertain,” the realization of these benefits is affected by the resolution of an audit of the Company’s amended tax return refund claims, which the Internal Revenue Service (“IRS”) began in the second quarter of 2012. The Company continues to expect that it will realize these cash flow benefits.

Off-Balance Sheet Arrangements

The Company does not have any special purpose entities or off-balance sheet financing.

Contractual Obligations

On September 14, 2012, the Company entered into a lease agreement for approximately 186,000 square feet of rentable space to be located in a to-be-built office facility in Canonsburg, Pennsylvania, which will serve as the Company's new headquarters.

The lease was effective as of September 14, 2012, but because the leased premises are to-be-built, the Company will not be obligated to pay rent until the later of (i) three months following the date that the leased premises are delivered to ANSYS, which delivery, subject to certain limited exceptions, shall occur no later than October 1, 2014, or (ii) January 1, 2015 (such later date, the “Commencement Date”). The term of the lease is 183 months, beginning on the Commencement Date.

Absent the exercise of options in the lease for additional rentable space, the Company's base rent will be approximately $4.3 million per annum for the first five years of the lease term, $4.5 million per annum for years six through ten and $4.7 million for years eleven through fifteen. The Company will also pay certain real estate taxes, operating costs and other costs to the landlord as additional rent and charges.

The Company shall have a one-time right to terminate the lease effective upon the last day of the tenth full year following the Commencement Date (anticipated to be December 31, 2025), by providing the landlord with at least 18 months’ prior written notice of such termination.

There were no other material changes to the Company’s significant contractual obligations during the nine months ended September 30, 2012 as compared to those previously reported in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” within the Company’s most recent Annual Report on Form 10-K.

37

Critical Accounting Policies and Estimates

No significant changes have occurred to the Company’s critical accounting policies and estimates as previously reported within “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s most recent Annual Report on Form 10-K.

During the first quarter of 2012, the Company completed the annual impairment test for goodwill and intangible assets with indefinite lives and determined that these assets had not been impaired as of the test date, January 1, 2012. As of the test date, there was sufficient evidence that it was not more likely than not that the fair values of the Company’s reporting units were less than their carrying values. No events occurred or circumstances changed during the nine months ended September 30, 2012 that would indicate that the fair values of the Company’s reporting units are below their carrying amounts.

38

Item 3.Quantitative and Qualitative Disclosures About Market Risk

Interest Income Rate Risk. Changes in the overall level of interest rates affect the interest income that is generated from the Company’s cash and short-term investments. For the three and nine months ended September 30, 2012, total interest income was $774,000 and $2.6 million, respectively. Cash and cash equivalents consist primarily of highly liquid investments such as money market mutual funds and deposits held at major banks.

Interest Expense Rate Risk. The Company entered into a $355.0 million term loan with variable interest rates as of July 31, 2008. The term loan is scheduled to mature on July 31, 2013 and provides for tiered pricing with the initial rate at the prime rate +0.50%, or the LIBOR rate +1.50%, with step downs permitted after the initial six months under the credit agreement down to a flat prime rate or the LIBOR rate +0.75%. Such tiered pricing is determined by the Company’s consolidated leverage ratio. The Company’s consolidated leverage ratio has been reduced to the lowest pricing tier in the credit agreement. The credit agreement includes quarterly financial covenants, requiring the Company to maintain certain financial ratios and, as is customary for facilities of this type, certain events of default that permit the acceleration of the loan. Borrowings outstanding under this facility totaled $79.7 million as of September 30, 2012.

For the three and nine months ended September 30, 2012, the Company recorded interest expense related to the term loan at interest rates of 1.21% and 1.25%, respectively. For the three and nine months ended September 30, 2011, the Company recorded interest expense related to the term loan at interest rates of 1.00% and 1.04%, respectively. The interest expense on the term loan and amortization related to debt financing costs were as follows:

	Three Months Ended
	September 30, 2012				September 30, 2011
(in thousands)	Interest Expense		Amortization		Interest Expense		Amortization
July 31, 2008 term loan	$	329	$	172	$	379	$	236

	Nine Months Ended
	September 30, 2012				September 30, 2011
(in thousands)	Interest Expense		Amortization		Interest Expense		Amortization
July 31, 2008 term loan	$	1,117	$	565	$	1,210	$	733

Based on the effective interest rates and remaining outstanding borrowings at September 30, 2012, a 0.50% increase in interest rates would not impact the Company’s interest expense for the quarter ending December 31, 2012. Based on the effective interest rates and remaining outstanding borrowings at September 30, 2012, assuming contractual quarterly principal payments are made, a 0.50% increase in interest rates would increase the Company’s interest expense by approximately $110,000 for the year ending December 31, 2013.

The interest rate on the outstanding term loan balance is set for the quarter ending December 31, 2012 at 1.11%, which is based on LIBOR +0.75%. As of September 30, 2012, the fair value of the debt approximated the recorded value.

Foreign Currency Transaction Risk. As the Company continues to expand its business presence in international regions, the portion of its revenue, expenses, cash, accounts receivable and payment obligations denominated in foreign currencies continues to increase. As a result, changes in currency exchange rates will affect the Company’s financial position, results of operations and cash flows. The Company is most impacted by movements in and among the Euro, British Pound, Japanese Yen, Canadian Dollar, Indian Rupee, Korean Won, Chinese Renminbi, Taiwan Dollar and the U.S. Dollar.

With respect to revenue, on average for the quarter ended September 30, 2012, the U.S. Dollar was approximately 5.7% stronger, when measured against the Company’s primary foreign currencies, than for the quarter ended September 30, 2011. The net overall strengthening resulted in decreased revenue and operating income of approximately $5.9 million and $3.1 million, respectively, during the quarter ended September 30, 2012, as compared with the same quarter of 2011.

With respect to revenue, on average for the nine months ended September 30, 2012, the U.S. Dollar was approximately 4.1% stronger, when measured against the Company’s primary foreign currencies, than for the nine months ended September 30, 2011. The net overall strengthening resulted in decreased revenue and operating income of approximately $12.4 million and $5.5 million, respectively, during the nine months ended September 30, 2012, as compared to the nine months ended September 30, 2011.

39

In August 2012, the Company entered into a foreign currency futures contract with a third-party U.S. financial institution, which will be settled in July 2013. The purpose of this contract is to mitigate the Company's exposure to foreign exchange risk arising from intercompany receivables from a British subsidiary. As of September 30, 2012, the Company's foreign exchange future is in a liability position of $207,000. The foreign exchange future is measured at fair value each reporting period, with gains or losses recognized in other expense in the Company's condensed consolidated statements of income.

The most significant currency impacts on revenue and operating income were primarily attributable to U.S. Dollar exchange rate changes against the Euro, British Pound and Japanese Yen as reflected in the charts below:

	Period End Exchange Rates
As of	EUR/USD	GBP/USD	USD/JPY
September 30, 2011	1.339	1.559	77.036
December 31, 2011	1.296	1.554	76.917
September 30, 2012	1.286	1.616	77.942

	Average Exchange Rates
Three Months Ended	EUR/USD	GBP/USD	USD/JPY
March 31, 2011	1.368	1.603	82.280
June 30, 2011	1.440	1.631	81.556
September 30, 2011	1.413	1.599	77.702
December 31, 2011	1.348	1.572	77.343
March 31, 2012	1.312	1.572	79.275
June 30, 2012	1.283	1.562	80.087
September 30, 2012	1.252	1.581	78.600

No other material change has occurred in the Company’s market risk subsequent to December 31, 2011.

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Item 4.Controls and Procedures

Evaluation of Disclosure Controls and Procedures. As required by Rules 13a-15 and 15d-15 of the Securities Exchange Act of 1934, as amended, or the Exchange Act, the Company has evaluated, with the participation of management, including the Chief Executive Officer and the Chief Financial Officer, the effectiveness of the design and operation of its disclosure controls and procedures as of the end of the period covered by this report. Based on such evaluation, the Chief Executive Officer and Chief Financial Officer have concluded that such disclosure controls and procedures are effective, as defined in Rule 13a-15(e) of the Exchange Act.

The Company has a Disclosure Review Committee to assist in the quarterly evaluation of the Company’s internal disclosure controls and procedures and in the review of the Company’s periodic filings under the Exchange Act. The membership of the Disclosure Review Committee consists of the Company’s Chief Executive Officer, Chief Financial Officer, Apache President, Global Controller, General Counsel, Investor Relations and Global Insurance Officer, Vice President of Worldwide Sales and Support, Vice President of Human Resources, Vice President of Marketing and Business Unit General Managers. This committee is advised by external counsel, particularly on SEC-related matters. Additionally, other members of the Company’s global management team advise the committee with respect to disclosure via a sub-certification process.

The Company believes, based on its knowledge, that 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 Company as of and for the periods presented in this report. The Company is committed to both a sound internal control environment and to good corporate governance.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. 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 policies or procedures may deteriorate.

From time to time, the Company reviews the disclosure controls and procedures and may from time to time make changes to enhance their effectiveness and to ensure that the Company’s systems evolve with its business.

Changes in Internal Control. The Company is in the process of extending its internal controls to the business operations of Esterel. There were no changes in the Company’s internal control over financial reporting that occurred during the three months ended September 30, 2012 that materially affected, or were reasonably likely to materially affect, the Company’s internal control over financial reporting.

41

PART II – OTHER INFORMATION

Item 1.Legal Proceedings

The Company is subject to various investigations, claims and legal proceedings that arise in the ordinary course of business, including alleged infringement of intellectual property rights, commercial disputes, labor and employment matters, tax audits and other matters. In the opinion of the Company, the resolution of pending matters is not expected to have a material, adverse effect on the Company’s consolidated results of operations, cash flows or financial position. However, each of these matters is subject to various uncertainties and it is possible that an unfavorable resolution of one or more of these proceedings could in the future materially affect the Company’s results of operations, cash flows or financial position.

Item 1A.Risk Factors

The Company cautions investors that its performance (and, therefore, any forward-looking statement) is subject to risks and uncertainties. Various important factors may cause the Company’s future results to differ materially from those projected in any forward-looking statement. These factors were disclosed in, but are not limited to, the items within the Company’s most recent Annual Report on Form 10-K, Part I, Item 1A. Any material changes which occurred during the nine months ended September 30, 2012 to the risk factors previously presented are discussed below.

On August 1, 2012, the Company completed its acquisition of Esterel Technologies, S.A., a leading provider of embedded software simulation solutions for mission critical applications. Under the terms of the agreement, ANSYS acquired 100% of Esterel for a purchase price of approximately $59.5 million, which included $13.1 million in acquired cash. The agreement also includes retention provisions for key members of management and employees. The Company funded the transaction entirely with existing cash balances. The complementary combination is expected to accelerate development of new and innovative products to the marketplace while lowering design and engineering costs for customers. As a result of the acquisition, the Company has been or may be exposed to the following additional risks:

Challenges of the Acquisition.

The Company will need to meet significant challenges to realize the expected benefits and synergies of the acquisition. These challenges include:

• integrating the management teams, strategies, cultures and operations of the two companies

• retaining and assimilating the key personnel of each company

• integrating sales and business development operations

• retaining existing customers of each company

• developing new products and services that utilize the technologies and resources of both companies

• creating uniform standards, controls, procedures, policies and information systems

• realizing the anticipated cost savings in the combined company

• combining the businesses of the Company and Esterel in a manner that does not materially disrupt Esterel’s existing customer relationships nor otherwise result in decreased revenues and that allows the Company to capitalize on Esterel’s growth opportunities

The accomplishment of these post-acquisition objectives will involve considerable risks, including:

• the loss of key employees that are critical to the successful integration and future operations of the companies

• the potential disruption of each company’s ongoing business and distraction of their respective management teams

• the difficulty of incorporating acquired technology and rights into the Company’s products and services

• unanticipated expenses related to technology integration

• potential disruptions in each company’s operations, loss of existing customers, loss of key information, expertise or know-how, and unanticipated additional recruitment and training costs

• possible inconsistencies in standards, controls, procedures and policies that could adversely affect the Company’s ability to maintain relationships with customers and employees or to achieve the anticipated benefits of the acquisition

• potential unknown liabilities associated with the acquisition

42

If the Company does not succeed in addressing these challenges or any other problems encountered in connection with the acquisition, its operating results and financial condition could be adversely affected.

Market Price of the Company’s Common Stock.

The market price of the Company’s common stock may decline as a result of the acquisition for a number of reasons, including:

• the integration of Esterel by the Company may be unsuccessful

• the Company may not achieve the perceived benefits of the acquisition as rapidly as, or to the extent, anticipated by financial or industry analysts

• the effect of the acquisition on the Company’s financial results may not be consistent with the expectations of financial or industry analysts

Item 2.Unregistered Sales of Equity Securities and Use of Proceeds

None.

Item 3.Defaults Upon Senior Securities

None.

Item 4.Mine Safety Disclosures

Not applicable.

Item 5.Other Information

None.

43

Item 6.Exhibits

(a) Exhibits.

Exhibit No.	Exhibit
10.1	Lease by and between ANSYS, Inc. and Quattro Investment Group, L.P. for the new corporate headquarters facility in Canonsburg, PA, dated as of September 14, 2012 (filed as Exhibit 10.1 to the Company's Current Report on Form 8-K, filed September 18, 2012, and incorporated herein by reference).
15	Independent Registered Public Accountant’s Letter Regarding Unaudited Financial Information.
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	XBRL Instance Document**
101.SCH	XBRL Taxonomy Extension Schema**
101.CAL	XBRL Taxonomy Extension Calculation Linkbase**
101.DEF	XBRL Taxonomy Extension Definition Linkbase**
101.LAB	XBRL Taxonomy Extension Label Linkbase**
101.PRE	XBRL Taxonomy Extension Presentation Linkbase**

** Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933 or Section 18 of the Securities Exchange Act of 1934 and otherwise are not subject to liability.

44

SIGNATURES

Pursuant to the requirements 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.

		ANSYS, Inc.
Date:	November 1, 2012	By:	/s/ James E. Cashman III
			James E. Cashman III
			President and Chief Executive Officer
Date:	November 1, 2012	By:	/s/ Maria T. Shields
			Maria T. Shields
			Chief Financial Officer

45

EX-15

EXHIBIT 15

November 1, 2012

ANSYS, Inc.

275 Technology Drive

Canonsburg, PA 15317

We have reviewed, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the unaudited interim financial information of ANSYS, Inc. and subsidiaries for the periods ended September 30, 2012, and 2011, as indicated in our report dated November 1, 2012; because we did not perform an audit, we expressed no opinion on that information.

We are aware that our report referred to above, which is included in your Quarterly Report on Form 10-Q for the quarter ended September 30, 2012, is incorporated by reference in Registration Statement Nos. 333-08613, 333-69506, 333-110728, 333-137274, 333-152765, 333-174670, and 333-177030 on Form S-8.

We also are aware that the aforementioned report, pursuant to Rule 436(c) under the Securities Act of 1933, is not considered a part of the Registration Statement prepared or certified by an accountant or a report prepared or certified by an accountant within the meaning of Sections 7 and 11 of that Act.

/s/ Deloitte & Touche LLP

Pittsburgh, Pennsylvania

EX-31.1

EXHIBIT 31.1

CHIEF EXECUTIVE OFFICER CERTIFICATION

I, James E. Cashman III, certify that:

1. I have reviewed this quarterly report on Form 10-Q of ANSYS, Inc. (“ANSYS”);

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 ANSYS as of, and for, the periods presented in this report;

4. ANSYS’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 ANSYS 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 ANSYS, 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 ANSYS’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 ANSYS’s internal control over financial reporting that occurred during ANSYS’s most recent fiscal quarter (ANSYS’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, ANSYS’s internal control over financial reporting; and

5. ANSYS’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to ANSYS’s auditors and the audit committee of ANSYS’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 ANSYS’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 ANSYS’s internal control over financial reporting.

Date:	November 1, 2012	/s/ James E. Cashman III
		James E. Cashman III
		President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CHIEF FINANCIAL OFFICER CERTIFICATION

I, Maria T. Shields, certify that:

1. I have reviewed this quarterly report on Form 10-Q of ANSYS, Inc. (“ANSYS”);

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 ANSYS as of, and for, the periods presented in this report;

4. ANSYS’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 ANSYS 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 ANSYS, 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 ANSYS’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 ANSYS’s internal control over financial reporting that occurred during ANSYS’s most recent fiscal quarter (ANSYS’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, ANSYS’s internal control over financial reporting; and

5. ANSYS’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to ANSYS’s auditors and the audit committee of ANSYS’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 ANSYS’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 ANSYS’s internal control over financial reporting.

Date:	November 1, 2012	/s/ Maria T. Shields
		Maria T. Shields
		Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of ANSYS, Inc. (the “Company”) on Form 10-Q for the quarter ended September 30, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, James E. Cashman III, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) The Report fully complies with requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

This certification is provided solely pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and shall not be deemed to be part of the Report or filed for any purpose whatsoever.

/s/ James E. Cashman III

James E. Cashman III

President and Chief Executive Officer

November 1, 2012

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of ANSYS, Inc. (the “Company”) on Form 10-Q for the quarter ended September 30, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Maria T. Shields, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) The Report fully complies with requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

This certification is provided solely pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and shall not be deemed to be part of the Report or filed for any purpose whatsoever.

/s/ Maria T. Shields

Maria T. Shields

Chief Financial Officer

November 1, 2012

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Borrowings (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Debt Disclosure [Line Items]
Long-term Debt	$ 79,723	$ 127,557
Capitalized lease obligations	0	15
Total	79,723	127,572
Less current portion	(79,723)	(74,423)
Long-term debt and capital lease obligations, net of current portion	$ 0	$ 53,149

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Stock-Based Compensation Expense, and its net Impact on Basic and Diluted Earnings per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense before taxes	$ 8,104	$ 6,108	$ 23,930	$ 16,574
Related income tax benefits	(2,062)	(1,293)	(6,330)	(3,797)
Stock-based compensation expense, net of taxes	6,042	4,815	17,600	12,777
Basic earnings per share	$ (0.07)	$ (0.05)	$ (0.19)	$ (0.14)
Diluted earnings per share	$ (0.06)	$ (0.05)	$ (0.19)	$ (0.14)
Software Licenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense before taxes	369	197	1,139	270
Maintenance and Service
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense before taxes	558	486	1,680	1,407
Selling, General and Administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense before taxes	3,873	3,211	11,275	9,162
Research and Development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense before taxes	$ 3,304	$ 2,214	$ 9,836	$ 5,735

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Fair Value of Assets and Liabilities Measured on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 270,548	$ 182,530
Short-term investments	454	576
Contingent consideration	(6,404)	(9,571)
Deferred compensation	(1,387)	(2,073)
Foreign currency future	(207)
Quoted Prices in Active Markets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	270,548	181,198
Short-term investments	0	0
Contingent consideration	0	0
Deferred compensation	0	0
Foreign currency future	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	1,332
Short-term investments	454	576
Contingent consideration	0	0
Deferred compensation	0	0
Foreign currency future	(207)
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Short-term investments	0	0
Contingent consideration	(6,404)	(9,571)
Deferred compensation	(1,387)	(2,073)
Foreign currency future	$ 0

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Contingencies and Commitments - Additional Information (Detail) (Maximum, USD $) In Millions, unless otherwise specified	Sep. 30, 2012
Maximum
Other Commitments And Contingencies [Line Items]
Tax charges and related liabilities if the ruling is unfavorable	$ 6

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Estimated Future Amortization Expense for Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Schedule of Estimated Amortization Expense for Intangible Assets and Unfavorable Lease Liability [Line Items]
Remainder of 2012	$ 16,808
2013	60,235
2014	54,092
2015	50,454
2016	43,183
2017	39,575
Thereafter	79,560
Total intangible assets subject to amortization	343,907
Indefinite-lived trade names	25,073
Other intangible assets, net	$ 368,980	$ 383,420

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Fair Value of Consideration Transferred (Detail) (USD $) In Thousands, unless otherwise specified	Aug. 01, 2012 Esterel Technologies, S.A.	Aug. 01, 2011 Apache Design Solutions, Inc.
Cash	$ 59,470	$ 301,306
Contingent consideration		(9,501)
ANSYS replacement stock options		3,170
Total consideration transferred at fair value		$ 313,977

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Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2012

Borrowings

Borrowings consist of the following:

(in thousands)	September 30, 2012			December 31, 2011
Term loan payable in quarterly installments with a final maturity of July 31, 2013	$	79,723		$	127,557
Capitalized lease obligations	—			15
Total	79,723			127,572
Less current portion	(79,723		)	(74,423		)
Long-term debt and capital lease obligations, net of current portion	$	—		$	53,149

Interest Expense on Term Loan and Amortization Related to Debt Financing Costs

The interest expense on the term loan and amortization related to debt financing costs were as follows:

	Three Months Ended
	September 30, 2012				September 30, 2011
(in thousands)	Interest Expense		Amortization		Interest Expense		Amortization
July 31, 2008 term loan	$	329	$	172	$	379	$	236

	Nine Months Ended
	September 30, 2012				September 30, 2011
(in thousands)	Interest Expense		Amortization		Interest Expense		Amortization
July 31, 2008 term loan	$	1,117	$	565	$	1,210	$	733

Future Principal Payments on Term Loan

The required future principal payments on the Company’s term loan as of September 30, 2012 are scheduled as follows:

(in thousands)
December 31, 2012	$	26,574
March 31, 2013	26,574
July 31, 2013 (maturity)	26,575
Term loan balance payable as of September 30, 2012	$	79,723

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Changes in Level 3 Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Detail) (Significant Unobservable Inputs (Level 3), USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Contingent Consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 9,657	$ 9,614	$ 9,571
Interest expense included in earnings	35	43	43
Contingent payments	(3,288)
Ending balance	6,404	9,657	9,614
Deferred Compensation
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	2,091	2,082	2,073
Interest expense included in earnings	8	9	9
Contingent payments	(712)
Ending balance	$ 1,387	$ 2,091	$ 2,082

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Future Principal Payments on Term Loan (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Term loan balance payable as of June 30, 2012	$ 79,723	$ 127,557
December 31, 2012
Debt Instrument [Line Items]
Future principal payments on company's term loan, 2012	26,574
March 31, 2013
Debt Instrument [Line Items]
Future principal payments on company's term loan, 2013	26,574
July 31, 2013 (maturity)
Debt Instrument [Line Items]
Future principal payments on company's term loan, 2013	$ 26,575

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Uncertain Tax Positions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Income Tax Contingency [Line Items]
Uncertain tax positions	$ 36.8	$ 35.5

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Property and Equipment by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	$ 51,178	$ 45,638
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	36,495	30,917
UNITED KINGDOM
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	2,884	3,077
INDIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	3,203	3,092
GERMANY
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	2,034	1,843
FRANCE
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	2,266	2,388
JAPAN
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	1,235	1,447
CANADA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	826	938
Other European
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	1,261	957
Other International
Revenues from External Customers and Long-Lived Assets [Line Items]
Total property and equipment	$ 974	$ 979

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Changes in Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Goodwill [Line Items]
Beginning balance	$ 1,225,375
Currency translation and other	4,388
Ending balance	$ 1,252,706

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Acquisitions

9 Months Ended

Sep. 30, 2012

Acquisitions

Acquisitions

Esterel Technologies, S.A.

On August 1, 2012, the Company completed its acquisition of Esterel. Under the terms of the agreement, ANSYS acquired 100% of Esterel for a purchase price of $59.5 million, which included $13.1 million in acquired cash. The agreement also includes retention provisions for key members of management and employees, which are accounted for outside of the business combination. The Company funded the transaction entirely with existing cash balances.

Esterel's software enables software and systems engineers to design, simulate and produce embedded software, which is the control code built into the electronics in aircraft, rail transportation, automotive, energy systems, medical devices and other industrial products that have central processing units. The complementary combination is expected to accelerate development of new and innovative products to the marketplace while lowering design and engineering costs for customers.

The operating results of Esterel have been included in the Company's condensed consolidated financial statements since the date of acquisition, August 1, 2012. The acquired business contributed revenues of $670,000 and a net loss of $1.4 million to the Company during the period from August 1, 2012 to September 30, 2012.

During the three and nine month periods ended September 30, 2012, the Company incurred $190,000 and $860,000 in acquisition-related costs, respectively. These costs are included in selling, general and administrative expenses in the Company's condensed consolidated statements of income for the three and nine month periods ended September 30, 2012.

In valuing deferred revenue on the Esterel balance sheet as of the acquisition date, the Company applied the fair value provisions applicable to the accounting for business combinations. Although this acquisition accounting requirement had no impact on the Company’s business or cash flow, the Company’s reported revenue under accounting principles generally accepted in the United States, primarily for the first 12 months post-acquisition, will be less than the sum of what would otherwise have been reported by Esterel and ANSYS absent the acquisition. Acquired deferred revenue of $1.1 million was recorded on the opening balance sheet. This amount was approximately $11.0 million lower than the historical carrying value. The impact on reported revenue for the three and nine months ended September 30, 2012 was $2.6 million. The expected impact on reported revenue is $3.5 million and $3.9 million for the quarter ending December 31, 2012 and for the year ending December 31, 2013, respectively.

The assets and liabilities of Esterel have been recorded based upon management's estimates of their fair market values as of the acquisition date. The following tables summarize the fair value of consideration transferred and the fair values of identified assets acquired and liabilities assumed at the acquisition date:

Fair Value of Consideration Transferred:

(in thousands)
Cash	$	59,470

Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:

(in thousands)
Cash	$	13,075
Accounts receivable and other tangible assets	4,737
Customer relationships (12-year life)	21,421
Developed software (10-year life)	10,717
Platform trade name (indefinite life)	2,695
Accounts payable and other liabilities	(4,936		)
Deferred revenue	(1,139		)
Net deferred tax liabilities	(10,043		)
Total identifiable net assets	$	36,527
Goodwill	$	22,943

The goodwill, which is not tax-deductible, is attributed to intangible assets that do not qualify for separate recognition, including the assembled workforce of the acquired business and the synergies expected to arise as a result of the acquisition of Esterel.

The fair values of the intangible assets listed above are provisional pending receipt of the final valuation of those assets. In addition, Esterel is in the process of preparing its tax returns for the pre-acquisition period from January 1, 2012 to July 31, 2012. As a result, the estimates of fair value of the assets acquired and liabilities assumed are preliminary. The Company continues to evaluate and assess what was known and knowable as of the acquisition date.

Pro forma results of operations have not been presented as the effects of the Esterel business combination were not material to the Company's consolidated results of operations.

Apache Design, Inc.

On August 1, 2011, the Company completed its acquisition of Apache, a leading simulation software provider for advanced, low-power solutions in the electronics industry. Under the terms of the merger agreement, ANSYS acquired 100% of the outstanding shares of Apache for a purchase price of $314.0 million, which included $31.9 million in acquired cash and short-term investments on Apache’s balance sheet, $3.2 million in ANSYS replacement stock options issued to holders of partially-vested Apache stock options and $9.5 million in contingent consideration that is based on the retention of a key member of Apache’s management. The Company funded the transaction entirely with existing cash balances. The operating results of Apache have been included in the Company’s condensed consolidated financial statements since the date of acquisition, August 1, 2011.

The merger agreement includes a contingent consideration arrangement that requires additional payments of up to $12.0 million to be paid by the Company in equal installments to the Apache stockholders and holders of vested Apache options on each of the first three anniversaries of the closing of the acquisition. To receive these payments, a key member of Apache’s management must remain an employee of ANSYS on each of the first three anniversaries of the acquisition closing date. Management estimated that it was probable that all three payments would be made, and recorded the fair value of the contingent payments as a liability on the date of acquisition. The portion of contingent payments attributable to the key member of Apache management was determined to be compensation, and is accounted for outside of the business combination. The portion of the contingent payments attributable to other shareholders was determined to be contingent purchase price consideration and was estimated to be $9.5 million based on the net present value of the expected payments. Refer to Note 9 for a description of the valuation technique and inputs used to estimate the fair value of the contingent consideration. The Company made the first contingent payment of $4.0 million on August 1, 2012.

In accordance with the merger agreement, the Company granted performance-based restricted stock units to key members of Apache management and employees, with a maximum value of $13.0 million to be earned annually over a three-fiscal-year period beginning January 1, 2012. Vesting of the full award or a portion thereof is determined discretely for each of the three fiscal years based on the achievement of certain revenue and operating income targets by the Apache subsidiary, and the recipient’s continued employment through the measurement period. The value of each restricted stock unit on the August 1, 2011 grant date was $50.30, the closing price of ANSYS stock as of that date. Stock-based compensation expense based on the fair value of the awards is being recorded from the January 1, 2012 service inception date through the conclusion of the three-year measurement period based on management’s estimates concerning the probability of vesting. As of September 30, 2012, the Company had determined it was probable that at least a portion of these awards would vest, and recorded stock-based compensation expense in the amount of $960,000 and $2.9 million for the three and nine months ended September 30, 2012.

Under the merger agreement, holders of partially-vested Apache options at the date of acquisition received options to purchase ANSYS shares of common stock based on an agreed-upon conversion ratio (“the Replacement Awards”). The value of the Replacement Awards attributable to pre-combination service was estimated to be $3.2 million at the acquisition date, and was included in consideration transferred. The value of the Replacement Awards attributable to post-combination service is recognized as stock-based compensation in earnings during the post-acquisition period.

In valuing deferred revenue on the Apache balance sheet as of the acquisition date, the Company applied the fair value provisions applicable to the accounting for business combinations. Acquired deferred revenue of $10.1 million was recorded on the opening balance sheet. This amount was approximately $13.6 million lower than the historical carrying value. The impact on reported revenue for the three and nine months ended September 30, 2012 was $290,000 and $3.3 million, respectively, primarily in lease license revenue. The expected impact on reported revenue is $150,000 and $500,000 for the quarter ending December 31, 2012 and the year ending December 31, 2013, respectively.

The assets and liabilities of Apache have been recorded based on management’s estimates of their fair market values as of the acquisition date. The following tables summarize the fair value of consideration transferred and the fair values of identifiable assets acquired and liabilities assumed at the acquisition date:

Fair Value of Consideration Transferred:

(in thousands)
Cash	$	301,306
Contingent consideration	9,501
ANSYS replacement stock options	3,170
Total consideration transferred at fair value	$	313,977

Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:

(in thousands)
Cash and short-term investments	$	31,948
Accounts receivable and other tangible assets	6,011
Developed software (7-year life)	82,500
Customer relationships (15-year life)	36,100
Contract backlog (3-year life)	13,500
Platform trade names (indefinite lives)	21,900
Apache trade name (6-year life)	2,100
Accounts payable and other liabilities	(16,867		)
Deferred revenue	(10,100		)
Net deferred tax liabilities	(47,229		)
Total identifiable net assets	$	119,863
Goodwill	$	194,114

The goodwill, which is not tax-deductible, is attributed to intangible assets that do not qualify for separate recognition, including the assembled workforce of the acquired business and the synergies expected to arise as a result of the acquisition of Apache. During the one-year measurement period since the Apache acquisition date, the Company increased the values of net deferred tax liabilities from $46.1 million to $47.2 million, and identifiable intangible assets from $153.8 million to $156.1 million, with the offset recorded to goodwill. These adjustments were based on refinements to assumptions used in the preliminary valuation of intangible assets and new information regarding what was known and knowable as of the acquisition date in the calculation of the net deferred tax liabilities.

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Intangible Assets and Estimated Useful Lives (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Intangible Assets [Line Items]
Amortized intangible assets, Gross Carrying Amount	$ 646,714	$ 613,009
Amortized intangible assets, Accumulated Amortization	(302,807)	(251,846)
Unamortized intangible assets, Gross Carrying Amount	25,073
Trade names
Intangible Assets [Line Items]
Amortized intangible assets, Gross Carrying Amount	102,624	102,580
Amortized intangible assets, Accumulated Amortization	37,926	30,380
Unamortized intangible assets, Gross Carrying Amount	25,073	22,257
Developed software and core technologies
Intangible Assets [Line Items]
Amortized intangible assets, Gross Carrying Amount	298,981	287,392
Amortized intangible assets, Accumulated Amortization	168,563	144,836
Customer lists and contract backlog
Intangible Assets [Line Items]
Amortized intangible assets, Gross Carrying Amount	245,109	223,037
Amortized intangible assets, Accumulated Amortization	$ 96,318	$ 76,630

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Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

Stock-Based Compensation Expense, and its net Impact on Basic and Diluted Earnings per Share

Total stock-based compensation expense and its net impact on basic and diluted earnings per share are as follows:

	Three Months Ended						Nine Months Ended
(in thousands, except per share data)	September 30, 2012			September 30, 2011			September 30, 2012			September 30, 2011
Cost of sales:
Software licenses	$	369		$	197		$	1,139		$	270
Maintenance and service	558			486			1,680			1,407
Operating expenses:
Selling, general and administrative	3,873			3,211			11,275			9,162
Research and development	3,304			2,214			9,836			5,735
Stock-based compensation expense before taxes	8,104			6,108			23,930			16,574
Related income tax benefits	(2,062		)	(1,293		)	(6,330		)	(3,797		)
Stock-based compensation expense, net of taxes	$	6,042		$	4,815		$	17,600		$	12,777
Net impact on earnings per share
Basic earnings per share	$	(0.07	)	$	(0.05	)	$	(0.19	)	$	(0.14	)
Diluted earnings per share	$	(0.06	)	$	(0.05	)	$	(0.19	)	$	(0.14	)

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Geographic Information (Tables)

9 Months Ended

Sep. 30, 2012

Revenue by Geographic Area

Revenue by geographic area is as follows:

	Three Months Ended				Nine Months Ended
(in thousands)	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
United States	$	65,345	$	53,597	$	195,407	$	151,107
Japan	31,676		29,804		90,850		82,232
Germany	20,195		18,521		60,648		52,486
Canada	2,510		3,327		8,778		8,816
Other European	41,023		39,657		125,163		119,719
Other international	36,160		28,029		96,424		78,880
Total revenue	$	196,909	$	172,935	$	577,270	$	493,240

Property and Equipment by Geographic Area

Property and equipment by geographic area is as follows:

(in thousands)	September 30, 2012		December 31, 2011
United States	$	36,495	$	30,917
India	3,203		3,092
United Kingdom	2,884		3,077
France	2,266		2,388
Germany	2,034		1,843
Japan	1,235		1,447
Canada	826		938
Other European	1,261		957
Other international	974		979
Total property and equipment	$	51,178	$	45,638

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Intangible Assets and Estimated Useful Lives (Parenthetical) (Detail)	9 Months Ended
	Sep. 30, 2012
Minimum | Trade names
Intangible Assets [Line Items]
Amortized intangible assets, Useful life, in years	6 years
Minimum | Developed software and core technologies
Intangible Assets [Line Items]
Amortized intangible assets, Useful life, in years	7 years
Minimum | Customer lists and contract backlog
Intangible Assets [Line Items]
Amortized intangible assets, Useful life, in years	3 years
Maximum | Trade names
Intangible Assets [Line Items]
Amortized intangible assets, Useful life, in years	10 years
Maximum | Developed software and core technologies
Intangible Assets [Line Items]
Amortized intangible assets, Useful life, in years	10 years
Maximum | Customer lists and contract backlog
Intangible Assets [Line Items]
Amortized intangible assets, Useful life, in years	15 years

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Organization - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2012 Segment
Organization and Nature of Operations [Line Items]
Number of operating segments	3

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Cash and Cash Equivalents (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010
Cash and Cash Equivalents [Line Items]
Concentration Risk, Percentage	98.00%	100.00%
Cash accounts, Amount	$ 284,339	$ 289,298
Money market mutual funds, Amount	270,548	181,198
Time deposits, Amount	0	1,332
Total	$ 554,887	$ 471,828	$ 406,298	$ 472,479
Cash accounts, % of Total	51.20%	61.30%
Money market mutual funds, % of Total	48.80%	38.40%
Time deposits, % of Total	0.00%	0.30%

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Accounting Policies

9 Months Ended

Sep. 30, 2012

Accounting Policies

Accounting Policies

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared by ANSYS in accordance with accounting principles generally accepted in the United States for interim financial information for commercial and industrial companies and the instructions to the Quarterly Report on Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, the accompanying statements do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements. The accompanying condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements (and notes thereto) included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011. The condensed consolidated December 31, 2011 balance sheet presented is derived from the audited December 31, 2011 balance sheet included in the most recent Annual Report on Form 10-K. In the opinion of management, all adjustments considered necessary for a fair presentation of the financial statements have been included, and all adjustments are of a normal and recurring nature. Operating results for the three and nine months ended September 30, 2012 are not necessarily indicative of the results that may be expected for any future period.

Cash and Cash Equivalents

Cash and cash equivalents consist primarily of highly liquid investments such as deposits held at major banks and money market mutual funds. Cash equivalents are carried at cost, which approximates fair value. The Company’s cash and cash equivalent balances comprise the following:

	September 30, 2012			December 31, 2011
(in thousands, except percentages)	Amount		% of Total	Amount		% of Total
Cash accounts	$	284,339	51.2	$	289,298	61.3
Money market mutual funds	270,548		48.8	181,198		38.4
Time deposits	—		—	1,332		0.3
Total	$	554,887		$	471,828

The Company held 98% and 100% of its money market mutual fund balances in various funds of a single issuer as of September 30, 2012 and December 31, 2011, respectively.

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Acquisition - Additional Information (Detail) (USD $)	9 Months Ended	12 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended		2 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2012 Year	Dec. 31, 2011	Aug. 01, 2011	Sep. 30, 2012 Apache Performance Restricted Stock Units	Sep. 30, 2012 Apache Performance Restricted Stock Units	Sep. 30, 2012 Apache Design Solutions, Inc.	Sep. 30, 2012 Apache Design Solutions, Inc.	Aug. 01, 2011 Apache Design Solutions, Inc.	Sep. 30, 2012 Esterel Technologies, S.A.	Sep. 30, 2012 Esterel Technologies, S.A.	Sep. 30, 2011 Esterel Technologies, S.A.	Sep. 30, 2012 Esterel Technologies, S.A.	Aug. 01, 2012 Esterel Technologies, S.A.
Business Acquisition [Line Items]
Business acquisition, acquisition percentage								100.00%					100.00%
Business acquisition, purchase price cash paid													$ 59,500,000
Business Acquisition, Pro Forma Revenue									670,000
Business Acquisition, Pro Forma Net Income (Loss)									1,400,000
Business Combination, Acquisition Related Costs											190,000	860,000
Business acquisition, purchase price								313,977,000
Business acquisition, cash on subsidiary balance sheet								31,948,000					13,075,000
ANSYS replacement stock options								3,170,000
Contingent consideration								(9,501,000)
Contingent consideration arrangement, additional payments								12,000,000
Business acquisition, potential performance equity awards						13,000,000	13,000,000
Business acquisition performance equity awards service periods	3
Value of each restricted stock unit on grant date				$ 50.30	$ 50.30
Stock-based compensation expense				960,000	2,900,000
Acquired deferred revenue								10,100,000					(1,139,000)
Acquired deferred revenue, amount lower than the historical carrying value recorded on the opening balance sheet						13,600,000	13,600,000						(11,000,000)
Acquired deferred revenue, impact on reported revenue						290,000	3,300,000			2,600,000
Acquired deferred revenue, expected impact on reported revenue in next quarter						150,000	150,000		3,500,000	3,500,000		3,500,000
Acquired deferred revenue, expected impact on reported revenue in current fiscal year						500,000	500,000		3,900,000	3,900,000		3,900,000
Business combination, goodwill recognized, description	The goodwill, which is not tax-deductible, is attributed to intangible assets that do not qualify for separate recognition, including the assembled workforce of the acquired business and the synergies expected to arise as a result of the acquisition of Esterel.	The goodwill, which is not tax-deductible, is attributed to intangible assets that do not qualify for separate recognition, including the assembled workforce of the acquired business and the synergies expected to arise as a result of the acquisition of Apache.
Net deferred tax liabilities			(46,100,000)					(47,229,000)					(10,043,000)
Amortizable intangible assets			$ 153,800,000					$ 156,100,000
Nature of preliminary adjustments		These adjustments were based on refinements to assumptions used in the preliminary valuation of intangible assets and information about what was known and knowable as of the acquisition date in the calculation of the net deferred tax liabilities.

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Long-Term Debt - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Jul. 31, 2008	Sep. 30, 2012 July 31, 2008 Term Loan	Sep. 30, 2012 July 31, 2008 Term Loan Percentage Over Libor	Jan. 31, 2009 July 31, 2008 Term Loan Percentage Over Libor	Jul. 31, 2008 July 31, 2008 Term Loan Percentage Over Libor	Jul. 31, 2008 July 31, 2008 Term Loan Prime Rate
Debt Instrument [Line Items]
Borrowed from syndicate of banks						$ 355,000,000
Fixed portion of the variable rate								0.75%	0.75%	1.50%	0.50%
Long-term Debt	79,723,000		79,723,000		127,557,000
Quarterly principal payments			$ 47,834,000	$ 21,260,000
Interest rate on term loan	1.21%	1.00%	1.25%	1.04%
Variable interest rate							1.11%

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Stock Repurchase Program - Additional Information (Detail) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Stock Repurchase Program [Line Items]
Number of shares repurchased under stock repurchase program	1,000,000	247,443
Average repurchase price per share	$ 61.591	$ 51.3411169441
Remaining number of shares authorized to be repurchased under stock repurchase program	2,000,000

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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 554,887	$ 471,828
Short-term investments	454	576
Accounts receivable, less allowance for doubtful accounts of $4,050 and $4,101, respectively	77,861	84,602
Other receivables and current assets	171,237	163,296
Deferred income taxes	21,392	19,731
Total current assets	825,831	740,033
Property and equipment, net	51,178	45,638
Goodwill	1,252,706	1,225,375
Other intangible assets, net	368,980	383,420
Other long-term assets	45,813	46,942
Deferred income taxes	13,796	7,062
Total assets	2,558,304	2,448,470
Current liabilities:
Less current portion	79,723	74,423
Accounts payable	4,054	6,987
Accrued bonuses and commissions	31,210	36,164
Accrued income taxes	7,875	6,213
Deferred income taxes	2,233	0
Other accrued expenses and liabilities	54,376	55,809
Deferred revenue	273,636	259,155
Total current liabilities	453,107	438,751
Long-term liabilities:
Long-term debt and capital lease obligations, less current portion	0	53,149
Deferred income taxes	97,169	101,618
Other long-term liabilities	111,538	100,479
Total long-term liabilities	208,707	255,246
Commitments and contingencies	0	0
Stockholders' equity:
Preferred stock, $.01 par value; 2,000,000 shares authorized; zero shares issued or outstanding	0	0
Common stock, $.01 par value; 300,000,000 shares authorized; 93,201,905 and 92,651,739 shares issued, respectively	932	927
Additional paid-in capital	935,375	905,662
Retained earnings	983,428	836,008
Treasury stock, at cost: 880,347 and 0 shares, respectively	(37,618)	0
Accumulated other comprehensive income	14,373	11,876
Total stockholders' equity	1,896,490	1,754,473
Total liabilities and stockholders' equity	$ 2,558,304	$ 2,448,470

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Goodwill and Intangible Assets - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Goodwill and Intangible Assets Disclosure [Line Items]
Amortization expense for intangible assets	$ 17.0	$ 13.5	$ 50.6	$ 36.6

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 147,420	$ 133,218
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	63,669	46,916
Deferred income tax (benefit) expense	(12,679)	(3,035)
Provision for bad debts	170	278
Stock-based compensation expense	23,930	16,574
Excess tax benefits from stock options	(7,901)	(7,030)
Other	5	149
Changes in operating assets and liabilities:
Accounts receivable	10,584	12,072
Other receivables and current assets	(6,394)	19,154
Other long-term assets	(11,336)	(1,580)
Accounts payable, accrued expenses and current liabilities	(9,794)	17
Accrued income taxes	8,521	6,476
Deferred revenue	13,033	14,153
Other long-term liabilities	9,599	(7,315)
Net cash provided by operating activities	228,827	230,047
Cash flows from investing activities:
Acquisitions, net of cash acquired	(46,395)	(269,753)
Capital expenditures	(17,882)	(12,524)
Purchases of short-term investments	(181)	(282)
Maturities of short-term investments	293	227
Net cash used in investing activities	(64,165)	(282,332)
Cash flows from financing activities:
Principal payments on long-term debt	(47,834)	(21,260)
Principal payments on capital leases	(14)	(70)
Purchase of treasury stock	(61,591)	(12,704)
Payments of Merger Related Costs, Financing Activities	(3,241)	0
Proceeds from issuance of common stock under Employee Stock Purchase Plan	2,446	2,168
Proceeds from exercise of stock options	19,249	14,828
Excess tax benefits from stock options	7,901	7,030
Net cash used in financing activities	(83,084)	(10,008)
Effect of exchange rate fluctuations on cash and cash equivalents	1,481	(3,888)
Net increase in cash and cash equivalents	83,059	(66,181)
Cash and cash equivalents, beginning of period	471,828	472,479
Cash and cash equivalents, end of period	554,887	406,298
Supplemental disclosures of cash flow information:
Income taxes paid	78,983	50,505
Interest paid	$ 1,735	$ 1,457

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Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed (Parenthetical) (Detail)	1 Months Ended				0 Months Ended
	Aug. 01, 2011 Apache Design Solutions, Inc. Developed Software	Aug. 01, 2011 Apache Design Solutions, Inc. Customer Relationships	Aug. 01, 2011 Apache Design Solutions, Inc. Contract Backlog	Aug. 01, 2011 Apache Design Solutions, Inc. Apache Trade Name	Aug. 01, 2012 Esterel Technologies, S.A. Developed Software	Aug. 01, 2012 Esterel Technologies, S.A. Customer Relationships
Business Combination, Separately Recognized Transactions [Line Items]
Useful life of intangible assets acquired, in years	7 years	15 years	3 years	6 years	10 years	12 years

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Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2012

Cash and Cash Equivalents

The Company’s cash and cash equivalent balances comprise the following:

	September 30, 2012			December 31, 2011
(in thousands, except percentages)	Amount		% of Total	Amount		% of Total
Cash accounts	$	284,339	51.2	$	289,298	61.3
Money market mutual funds	270,548		48.8	181,198		38.4
Time deposits	—		—	1,332		0.3
Total	$	554,887		$	471,828

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Other Current Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Other receivables and current assets	$ 171,237	$ 163,296
Accounts Receivable Portion Of Annual Lease Licenses And Software Maintenance
Other receivables and current assets	101,400	112,800
Taxes Receivable Related To Overpayments And Refunds
Other receivables and current assets	$ 53,000	$ 36,000

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Details of Basic and Diluted EPS

The details of basic and diluted EPS are as follows:

	Three Months Ended				Nine Months Ended
(in thousands, except per share data)	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
Net income	$	51,619	$	45,546	$	147,420	$	133,218
Weighted average shares outstanding – basic	92,448		92,277		92,631		91,995
Dilutive effect of stock plans	2,307		2,168		2,327		2,273
Weighted average shares outstanding – diluted	94,755		94,445		94,958		94,268
Basic earnings per share	$	0.56	$	0.49	$	1.59	$	1.45
Diluted earnings per share	$	0.54	$	0.48	$	1.55	$	1.41
Anti-dilutive options	1,216		1,185		1,291		1,172

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Organization

9 Months Ended

Sep. 30, 2012

Organization

Organization

ANSYS, Inc. (hereafter the “Company” or “ANSYS”) develops and globally markets engineering simulation software and technologies widely used by engineers, designers, researchers and students across a broad spectrum of industries and academia, including aerospace, automotive, manufacturing, electronics, biomedical, energy and defense.

In connection with its acquisitions of Esterel Technologies, S.A. ("Esterel") and Apache Design, Inc. (“Apache”) on August 1, 2012 and 2011, respectively, the Company has reviewed the accounting guidance issued for disclosures about segments of an enterprise. As defined by the accounting guidance, the Company operates as three segments. The Company determined that its operating segments, excluding Esterel, are sufficiently similar and should be aggregated under the criteria provided in the related accounting guidance. The Esterel operating segment did not meet the quantitative thresholds for separate disclosure.

Given the integrated approach to the multi-discipline problem-solving needs of the Company’s customers, a single sale of software may contain components from multiple product areas and include combined technologies. The Company also has a multi-year product and integration strategy that will result in new combined products or changes to the historical product offerings. As a result, it is impracticable for the Company to provide accurate historical or current reporting among its various product lines.

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Allowance for doubtful accounts	$ 4,050	$ 4,101
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	93,201,905	92,651,739
Treasury stock, shares	609,625	0

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Stock Repurchase Program

9 Months Ended

Sep. 30, 2012

Stock Repurchase Program

Stock Repurchase Program

In February 2012, ANSYS announced that its Board of Directors approved an increase to its authorized stock repurchase program. Under the Company’s stock repurchase program, ANSYS repurchased 1.0 million shares during the nine months ended September 30, 2012 at an average price per share of $61.59, for a total cost of $61.6 million. During the nine months ended September 30, 2011, the Company repurchased 247,443 shares at an average price per share of $51.34, for a total cost of $12.7 million. As of September 30, 2012, 2.0 million shares remained authorized for repurchase under the program.

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Document and Entity Information	9 Months Ended
	Sep. 30, 2012	Oct. 26, 2012
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Trading Symbol	ANSS
Entity Registrant Name	ANSYS INC
Entity Central Index Key	0001013462
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		92,637,661

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Stock-based Compensation

9 Months Ended

Sep. 30, 2012

Stock-based Compensation

Stock-based Compensation

Total stock-based compensation expense and its net impact on basic and diluted earnings per share are as follows:

	Three Months Ended						Nine Months Ended
(in thousands, except per share data)	September 30, 2012			September 30, 2011			September 30, 2012			September 30, 2011
Cost of sales:
Software licenses	$	369		$	197		$	1,139		$	270
Maintenance and service	558			486			1,680			1,407
Operating expenses:
Selling, general and administrative	3,873			3,211			11,275			9,162
Research and development	3,304			2,214			9,836			5,735
Stock-based compensation expense before taxes	8,104			6,108			23,930			16,574
Related income tax benefits	(2,062		)	(1,293		)	(6,330		)	(3,797		)
Stock-based compensation expense, net of taxes	$	6,042		$	4,815		$	17,600		$	12,777
Net impact on earnings per share
Basic earnings per share	$	(0.07	)	$	(0.05	)	$	(0.19	)	$	(0.14	)
Diluted earnings per share	$	(0.06	)	$	(0.05	)	$	(0.19	)	$	(0.14	)

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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue:
Software licenses	$ 123,027	$ 104,477	$ 359,933	$ 297,780
Maintenance and service	73,882	68,458	217,337	195,460
Total revenue	196,909	172,935	577,270	493,240
Cost of sales:
Software licenses	5,473	4,220	17,758	10,144
Amortization	10,244	8,993	30,583	23,993
Maintenance and service	18,039	17,814	54,494	51,535
Total cost of sales	33,756	31,027	102,835	85,672
Gross profit	163,153	141,908	474,435	407,568
Operating expenses:
Selling, general and administrative	49,195	43,180	143,424	123,786
Research and development	33,506	28,899	98,422	78,779
Amortization	6,800	4,500	19,975	12,587
Total operating expenses	89,501	76,579	261,821	215,152
Operating income	73,652	65,329	212,614	192,416
Interest expense	(632)	(753)	(2,173)	(2,330)
Interest income	774	789	2,562	2,196
Other expense, net	(355)	78	(1,010)	(544)
Income before income tax provision	73,439	65,443	211,993	191,738
Income tax provision	21,820	19,897	64,573	58,520
Net income	$ 51,619	$ 45,546	$ 147,420	$ 133,218
Earnings per share - basic:
Basic earnings per share	$ 0.56	$ 0.49	$ 1.59	$ 1.45
Weighted average shares - basic	92,448	92,277	92,631	91,995
Earnings per share - diluted:
Diluted earnings per share	$ 0.54	$ 0.48	$ 1.55	$ 1.41
Weighted average shares - diluted	94,755	94,445	94,958	94,268

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Earnings Per Share

9 Months Ended

Sep. 30, 2012

Earnings Per Share

Earnings Per Share

Basic earnings per share (“EPS”) amounts are computed by dividing earnings by the weighted average number of common shares outstanding during the period. Diluted EPS amounts assume the issuance of common stock for all potentially dilutive equivalents outstanding. To the extent stock options are anti-dilutive, they are excluded from the calculation of diluted EPS.

The details of basic and diluted EPS are as follows:

	Three Months Ended				Nine Months Ended
(in thousands, except per share data)	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
Net income	$	51,619	$	45,546	$	147,420	$	133,218
Weighted average shares outstanding – basic	92,448		92,277		92,631		91,995
Dilutive effect of stock plans	2,307		2,168		2,327		2,273
Weighted average shares outstanding – diluted	94,755		94,445		94,958		94,268
Basic earnings per share	$	0.56	$	0.49	$	1.59	$	1.45
Diluted earnings per share	$	0.54	$	0.48	$	1.55	$	1.41
Anti-dilutive options	1,216		1,185		1,291		1,172

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Uncertain Tax Positions

9 Months Ended

Sep. 30, 2012

Uncertain Tax Positions

Uncertain Tax Positions

The Company reports reserves for uncertain tax positions, including estimated penalties and interest, as a component of other long-term liabilities. These amounts totaled $36.8 million and $35.5 million as of September 30, 2012 and December 31, 2011, respectively.

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Acquisitions (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value of Consideration Transferred

Fair Value of Consideration Transferred:

(in thousands)
Cash	$	301,306
Contingent consideration	9,501
ANSYS replacement stock options	3,170
Total consideration transferred at fair value	$	313,977

Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed

Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed:

(in thousands)
Cash and short-term investments	$	31,948
Accounts receivable and other tangible assets	6,011
Developed software (7-year life)	82,500
Customer relationships (15-year life)	36,100
Contract backlog (3-year life)	13,500
Platform trade names (indefinite lives)	21,900
Apache trade name (6-year life)	2,100
Accounts payable and other liabilities	(16,867		)
Deferred revenue	(10,100		)
Net deferred tax liabilities	(47,229		)
Total identifiable net assets	$	119,863
Goodwill	$	194,114

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Contingencies and Commitments

9 Months Ended

Sep. 30, 2012

Contingencies and Commitments

Contingencies and Commitments

The Company is subject to various investigations, claims and legal proceedings that arise in the ordinary course of business, including alleged infringement of intellectual property rights, commercial disputes, labor and employment matters, tax audits and other matters. In the opinion of the Company, the resolution of pending matters is not expected to have a material, adverse effect on the Company’s consolidated results of operations, cash flows or financial position. However, each of these matters is subject to various uncertainties and it is possible that an unfavorable resolution of one or more of these proceedings could materially affect the Company’s results of operations, cash flows or financial position.

An Indian subsidiary of the Company received a formal inquiry after a service tax audit. The service tax issues raised in the Company’s notice are very similar to the case, M/s Microsoft Corporation (I) (P) Ltd. Vs Commissions of Service Tax, currently being appealed to the Delhi Customs, Excise and Service Tax Appellate Tribunal (CESTAT). If the ruling is in favor of Microsoft, the Company expects a similar outcome for its audit case. If the ruling is unfavorable in the case of Microsoft, the Company could incur tax charges and related liabilities, including those related to the service tax audit case, of up to $6 million. Of the two judicial members assigned to the Microsoft appeal, one member has ruled in favor of Microsoft and one has ruled in favor of the Commission. A third deciding judge will be appointed for a final decision. The Company can provide no assurances as to the outcome of the Microsoft appeal or to the impact of the Microsoft appeal on the Company’s audit case. The Company is uncertain as to when the service tax audit will be completed.

The Company sells software licenses and services to its customers under proprietary software license agreements. Each license agreement contains the relevant terms of the contractual arrangement with the customer, and generally includes certain provisions for indemnifying the customer against losses, expenses and liabilities from damages that are incurred by or awarded against the customer in the event the Company’s software or services are found to infringe upon a patent, copyright or other proprietary right of a third party. To date, the Company has not had to reimburse any of its customers for any losses related to these indemnification provisions and no material claims asserted under these indemnification provisions are outstanding as of September 30, 2012. For several reasons, including the lack of prior material indemnification claims, the Company cannot determine the maximum amount of potential future payments, if any, related to such indemnification provisions.

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Fair Value Measurement

9 Months Ended

Sep. 30, 2012

Fair Value Measurement

Fair Value Measurement

The valuation hierarchy for disclosure of assets and liabilities reported at fair value prioritizes the inputs for such valuations into three broad levels:

• Level 1: quoted prices (unadjusted) in active markets for identical assets or liabilities;

• Level 2: quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument; or

• Level 3: unobservable inputs based on the Company’s own assumptions used to measure assets and liabilities at fair value.

A financial asset's or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

The following tables provide the assets and liabilities carried at fair value and measured on a recurring basis:

				Fair Value Measurements at Reporting Date Using:
(in thousands)	September 30, 2012			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Assets
Cash equivalents	$	270,548		$	270,548	$	—		$	—
Short-term investments	$	454		$	—	$	454		$	—
Liabilities
Contingent consideration	$	(6,404	)	$	—	$	—		$	(6,404	)
Deferred compensation	$	(1,387	)	$	—	$	—		$	(1,387	)
Foreign currency future	$	(207	)	$	—	$	(207	)	$	—

				Fair Value Measurements at Reporting Date Using:
(in thousands)	December 31, 2011			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash equivalents	$	182,530		$	181,198	$	1,332	$	—
Short-term investments	$	576		$	—	$	576	$	—
Liabilities
Contingent consideration	$	(9,571	)	$	—	$	—	$	(9,571	)
Deferred compensation	$	(2,073	)	$	—	$	—	$	(2,073	)

The cash equivalents in the preceding tables represent money market mutual funds.

The short-term investments in the preceding tables represent deposits held by certain foreign subsidiaries of the Company. The deposits have fixed interest rates with maturity dates ranging from three months to one year. There were no unrealized gains or losses associated with these deposits for the three and nine months ended September 30, 2012 and 2011.

In August 2012, the Company entered into a foreign currency futures contract with a third-party U.S. financial institution, which will be settled in July 2013. The purpose of this contract is to mitigate the Company's exposure to foreign exchange risk arising from intercompany receivables from a British subsidiary. As of September 30, 2012, the Company's foreign exchange future is in a liability position of $207,000. The foreign exchange future is measured at fair value each reporting period, with gains or losses recognized in other expense in the Company's condensed consolidated statements of income.

On August 1, 2011, the Company completed its acquisition of Apache, a leading simulation software provider for advanced, low-power solutions in the electronics industry. The merger agreement includes a contingent consideration arrangement that requires additional payments of up to $12.0 million to be paid by the Company in equal installments to the Apache stockholders and holders of vested Apache options on each of the first three anniversaries of the closing of the acquisition. To receive these payments, a key member of Apache’s management must remain an employee of ANSYS on each of the first three anniversaries of the acquisition closing date. Management estimated that it was probable that all three payments would be made, and recorded the fair value of the contingent payments as a liability on the date of acquisition. The portion of contingent payments attributable to the key member of Apache management was determined to be deferred compensation, and is accounted for outside of the business combination. The Company paid the first $4.0 million installment for these contingent payments on August 1, 2012. A liability of $1.4 million for deferred compensation was recorded as of September 30, 2012 based on the net present value of the expected remaining payments. The portion of the contingent payments attributable to other shareholders was determined to be contingent purchase price consideration and was estimated to be $6.4 million based on the net present value of the expected remaining payments as of September 30, 2012. The net present value calculations for the deferred compensation and contingent consideration include a significant unobservable input in the assumption that the two remaining payments will be made, and therefore the liabilities were classified as Level 3 in the fair value hierarchy.

The following table presents the changes during the nine months ended September 30, 2012 in the Company’s Level 3 liabilities for contingent consideration and deferred compensation that are measured at fair value on a recurring basis:

	Fair Value Measurement Using Significant Unobservable Inputs
(in thousands)	Contingent Consideration			Deferred Compensation
Balance as of January 1, 2012	$	9,571		$	2,073
Interest expense included in earnings	43			9
Balance as of March 31, 2012	$	9,614		$	2,082
Interest expense included in earnings	43			9
Balance as of June 30, 2012	$	9,657		$	2,091
Contingent payments	(3,288		)	(712		)
Interest expense included in earnings	35			8
Balance as of September 30, 2012	$	6,404		$	1,387

The Company had no transfers of amounts in or out of Level 1 or Level 2 fair value measurements during the nine months ended September 30, 2012.

The carrying values of cash, accounts receivable, accounts payable, accrued expenses, other accrued liabilities and short-term obligations approximate their fair values because of their short-term nature. The carrying value of long-term debt approximates its fair value due to the variable interest rate underlying the Company’s credit facility.

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Long-Term Debt

9 Months Ended

Sep. 30, 2012

Long-Term Debt

Long-Term Debt

Borrowings consist of the following:

(in thousands)	September 30, 2012			December 31, 2011
Term loan payable in quarterly installments with a final maturity of July 31, 2013	$	79,723		$	127,557
Capitalized lease obligations	—			15
Total	79,723			127,572
Less current portion	(79,723		)	(74,423		)
Long-term debt and capital lease obligations, net of current portion	$	—		$	53,149

On July 31, 2008, ANSYS borrowed $355.0 million from a syndicate of banks. The interest rate on the indebtedness provides for tiered pricing with the initial rate at the prime rate +0.50%, or the LIBOR rate +1.50%, with step downs permitted after the initial six months under the credit agreement down to a flat prime rate or the LIBOR rate +0.75%. Such tiered pricing is determined by the Company’s consolidated leverage ratio. The Company’s consolidated leverage ratio has been reduced to the lowest pricing tier in the debt agreement. During the nine months ended September 30, 2012, the Company made the required quarterly principal payments of $47.8 million in the aggregate.

For the three and nine months ended September 30, 2012, the Company recorded interest expense related to the term loan at average interest rates of 1.21% and 1.25%, respectively. For the three and nine months ended September 30, 2011, the Company recorded interest expense related to the term loan at average interest rates of 1.00% and 1.04%, respectively. The interest expense on the term loan and amortization related to debt financing costs were as follows:

	Three Months Ended
	September 30, 2012				September 30, 2011
(in thousands)	Interest Expense		Amortization		Interest Expense		Amortization
July 31, 2008 term loan	$	329	$	172	$	379	$	236

	Nine Months Ended
	September 30, 2012				September 30, 2011
(in thousands)	Interest Expense		Amortization		Interest Expense		Amortization
July 31, 2008 term loan	$	1,117	$	565	$	1,210	$	733

The interest rate on the outstanding term loan balance of $79.7 million is set for the quarter ending December 31, 2012 at 1.11%, which is based on LIBOR +0.75%. The required future principal payments on the Company’s term loan as of September 30, 2012 are scheduled as follows:

(in thousands)
December 31, 2012	$	26,574
March 31, 2013	26,574
July 31, 2013 (maturity)	26,575
Term loan balance payable as of September 30, 2012	$	79,723

The credit agreement includes covenants related to the consolidated leverage ratio and the consolidated fixed charge coverage ratio, as well as certain restrictions on additional investments and indebtedness.

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets

Goodwill and Intangible Assets

During the first quarter of 2012, the Company completed the annual impairment test for goodwill and intangible assets with indefinite lives and determined that these assets had not been impaired as of the test date, January 1, 2012. The Company performed a qualitative assessment, and as of the test date, there was sufficient evidence that it was not more likely than not that the fair values of its reporting units were less than their carrying amounts. The application of a qualitative assessment requires the Company to assess and make judgments regarding a variety of factors which potentially impact the fair value of a reporting unit, including general economic conditions, industry and market-specific conditions, customer behavior, cost factors, the Company’s financial performance and trends, the Company’s strategies and business plans, capital requirements, management and personnel issues, and the Company’s stock price, among others. The Company then considers the totality of these and other factors, placing more weight on the events and circumstances that are judged to most affect a reporting unit’s fair value or the carrying amount of its net assets, to reach a qualitative conclusion regarding whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. No events occurred or circumstances changed during the nine months ended September 30, 2012 that would indicate that the fair values of the Company’s reporting units are below their carrying amounts.

As of September 30, 2012 and December 31, 2011, the Company’s intangible assets and estimated useful lives are classified as follows:

	September 30, 2012					December 31, 2011
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Developed software and core technologies (7 – 10 years)	$	298,981	$	(168,563	)	$	287,392	$	(144,836	)
Customer lists and contract backlog (3 – 15 years)	245,109		(96,318		)	223,037		(76,630		)
Trade names (6 – 10 years)	102,624		(37,926		)	102,580		(30,380		)
Total	$	646,714	$	(302,807	)	$	613,009	$	(251,846	)
Unamortized intangible assets:
Trade names	$	25,073				$	22,257

The increase in the intangible assets reflected above was due to the August 1, 2012 acquisition of Esterel. Amortization expense for the intangible assets reflected above was $17.0 million and $13.5 million for the three months ended September 30, 2012 and 2011, respectively. Amortization expense for the intangible assets reflected above was $50.6 million and $36.6 million for the nine months ended September 30, 2012 and 2011, respectively.

As of September 30, 2012, estimated future amortization expense for the intangible assets reflected above is as follows:

(in thousands)
Remainder of 2012	$	16,808
2013	60,235
2014	54,092
2015	50,454
2016	43,183
2017	39,575
Thereafter	79,560
Total intangible assets subject to amortization	343,907
Indefinite-lived trade names	25,073
Other intangible assets, net	$	368,980

The changes in goodwill during the nine months ended September 30, 2012 are as follows:

(in thousands)
Beginning balance – January 1, 2012	$	1,225,375
Acquisition of Esterel	22,943
Currency translation and other	4,388
Ending balance – September 30, 2012	$	1,252,706

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Geographic Information

9 Months Ended

Sep. 30, 2012

Geographic Information

Geographic Information

Revenue to external customers is attributed to individual countries based upon the location of the customer. Revenue by geographic area is as follows:

	Three Months Ended				Nine Months Ended
(in thousands)	September 30, 2012		September 30, 2011		September 30, 2012		September 30, 2011
United States	$	65,345	$	53,597	$	195,407	$	151,107
Japan	31,676		29,804		90,850		82,232
Germany	20,195		18,521		60,648		52,486
Canada	2,510		3,327		8,778		8,816
Other European	41,023		39,657		125,163		119,719
Other international	36,160		28,029		96,424		78,880
Total revenue	$	196,909	$	172,935	$	577,270	$	493,240

Property and equipment by geographic area is as follows:

(in thousands)	September 30, 2012		December 31, 2011
United States	$	36,495	$	30,917
India	3,203		3,092
United Kingdom	2,884		3,077
France	2,266		2,388
Germany	2,034		1,843
Japan	1,235		1,447
Canada	826		938
Other European	1,261		957
Other international	974		979
Total property and equipment	$	51,178	$	45,638

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Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed (Detail) (USD $) In Thousands, unless otherwise specified	Aug. 01, 2011	Aug. 01, 2012 Esterel Technologies, S.A.	Aug. 01, 2012 Esterel Technologies, S.A. Developed Software	Aug. 01, 2012 Esterel Technologies, S.A. Customer Relationships	Aug. 01, 2012 Esterel Technologies, S.A. Platform Trade Names	Aug. 01, 2011 Apache Design Solutions, Inc.	Aug. 01, 2011 Apache Design Solutions, Inc. Developed Software	Aug. 01, 2011 Apache Design Solutions, Inc. Customer Relationships	Aug. 01, 2011 Apache Design Solutions, Inc. Contract Backlog	Aug. 01, 2011 Apache Design Solutions, Inc. Platform Trade Names	Aug. 01, 2011 Apache Design Solutions, Inc. Apache Trade Name
Business Combination, Separately Recognized Transactions [Line Items]
Cash and short-term investments		$ 13,075				$ 31,948
Accounts receivable and other tangible assets		4,737				6,011
Amortizable intangible assets	153,800		10,717	21,421		156,100	82,500	36,100	13,500		2,100
Indefinite-lived intangible assets					2,695					21,900
Accounts payable and other liabilities		4,936				(16,867)
Deferred revenue		1,139				(10,100)
Net deferred tax liabilities	(46,100)	(10,043)				(47,229)
Total identifiable net assets		36,527				119,863
Goodwill		$ 22,943				$ 194,114

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Revenue by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 196,909	$ 172,935	$ 577,270	$ 493,240
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	65,345	53,597	195,407	151,107
JAPAN
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	31,676	29,804	90,850	82,232
GERMANY
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	20,195	18,521	60,648	52,486
CANADA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	2,510	3,327	8,778	8,816
Other European
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	41,023	39,657	125,163	119,719
Other International
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 36,160	$ 28,029	$ 96,424	$ 78,880

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Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2012

Basis of Presentation

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared by ANSYS in accordance with accounting principles generally accepted in the United States for interim financial information for commercial and industrial companies and the instructions to the Quarterly Report on Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, the accompanying statements do not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements. The accompanying condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements (and notes thereto) included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011. The condensed consolidated December 31, 2011 balance sheet presented is derived from the audited December 31, 2011 balance sheet included in the most recent Annual Report on Form 10-K. In the opinion of management, all adjustments considered necessary for a fair presentation of the financial statements have been included, and all adjustments are of a normal and recurring nature. Operating results for the three and nine months ended September 30, 2012 are not necessarily indicative of the results that may be expected for any future period.

Cash and Cash Equivalents

Cash and Cash Equivalents

Cash and cash equivalents consist primarily of highly liquid investments such as deposits held at major banks and money market mutual funds. Cash equivalents are carried at cost, which approximates fair value. The Company’s cash and cash equivalent balances comprise the following:

	September 30, 2012			December 31, 2011
(in thousands, except percentages)	Amount		% of Total	Amount		% of Total
Cash accounts	$	284,339	51.2	$	289,298	61.3
Money market mutual funds	270,548		48.8	181,198		38.4
Time deposits	—		—	1,332		0.3
Total	$	554,887		$	471,828

The Company held 98% and 100% of its money market mutual fund balances in various funds of a single issuer as of September 30, 2012 and December 31, 2011, respectively.

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Intangible Assets and Estimated Useful Lives

As of September 30, 2012 and December 31, 2011, the Company’s intangible assets and estimated useful lives are classified as follows:

	September 30, 2012					December 31, 2011
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets:
Developed software and core technologies (7 – 10 years)	$	298,981	$	(168,563	)	$	287,392	$	(144,836	)
Customer lists and contract backlog (3 – 15 years)	245,109		(96,318		)	223,037		(76,630		)
Trade names (6 – 10 years)	102,624		(37,926		)	102,580		(30,380		)
Total	$	646,714	$	(302,807	)	$	613,009	$	(251,846	)
Unamortized intangible assets:
Trade names	$	25,073				$	22,257

Estimated Future Amortization Expense for Intangible Assets

As of September 30, 2012, estimated future amortization expense for the intangible assets reflected above is as follows:

(in thousands)
Remainder of 2012	$	16,808
2013	60,235
2014	54,092
2015	50,454
2016	43,183
2017	39,575
Thereafter	79,560
Total intangible assets subject to amortization	343,907
Indefinite-lived trade names	25,073
Other intangible assets, net	$	368,980

Changes in Goodwill

The changes in goodwill during the nine months ended September 30, 2012 are as follows:

(in thousands)
Beginning balance – January 1, 2012	$	1,225,375
Acquisition of Esterel	22,943
Currency translation and other	4,388
Ending balance – September 30, 2012	$	1,252,706

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Fair Value Measurement - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended		0 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011	Aug. 01, 2012 Apache Design Solutions, Inc.	Aug. 01, 2011 Apache Design Solutions, Inc.	Sep. 30, 2012 Significant Unobservable Inputs (Level 3)	Dec. 31, 2011 Significant Unobservable Inputs (Level 3)
Fair Value Measurements [Line Items]
Foreign currency future	$ (207,000)	$ (207,000)				$ 0
Contingent consideration arrangement, additional payments					12,000,000
Contingent payments				4,000,000
Deferred compensation	(1,387,000)	(1,387,000)	(2,073,000)			(1,387,000)	(2,073,000)
Contingent consideration	(6,404,000)	(6,404,000)	(9,571,000)			(6,404,000)	(9,571,000)
Short-term investment time deposits maturity minimum, in months	3 months	3 months
Short-term investment time deposits maturity maximum, in years	1 year	1 year
Unrealized gains or losses associated with deposits	0	0
Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount	$ 0	$ 0

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Interest Expense on Term Loan and Amortization Related to Debt Financing Costs (Detail) (July 31, 2008 Term Loan, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
July 31, 2008 Term Loan
Debt Disclosure [Line Items]
Interest Expense	$ 329	$ 379	$ 1,117	$ 1,210
Amortization	$ 172	$ 236	$ 565	$ 733

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income	$ 51,619	$ 45,546	$ 147,420	$ 133,218
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	7,049	(7,853)	2,497	(1,485)
Comprehensive income	$ 58,668	$ 37,693	$ 149,917	$ 131,733

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Other Current Assets

9 Months Ended

Sep. 30, 2012

Other Current Assets

Other Current Assets

The Company reports accounts receivable, related to the portion of annual lease licenses and software maintenance that has not yet been recognized as revenue, as components of other receivables and current assets, and other long-term assets. The amounts reported in other receivables and current assets totaled $101.4 million and $112.8 million as of September 30, 2012 and December 31, 2011, respectively.

The Company reports income taxes receivable, including amounts related to overpayments and refunds, as a component of other receivables and current assets. These amounts totaled $53.0 million and $36.0 million as of September 30, 2012 and December 31, 2011, respectively.

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Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value of Assets and Liabilities Measured on Recurring Basis

The following tables provide the assets and liabilities carried at fair value and measured on a recurring basis:

				Fair Value Measurements at Reporting Date Using:
(in thousands)	September 30, 2012			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Assets
Cash equivalents	$	270,548		$	270,548	$	—		$	—
Short-term investments	$	454		$	—	$	454		$	—
Liabilities
Contingent consideration	$	(6,404	)	$	—	$	—		$	(6,404	)
Deferred compensation	$	(1,387	)	$	—	$	—		$	(1,387	)
Foreign currency future	$	(207	)	$	—	$	(207	)	$	—

				Fair Value Measurements at Reporting Date Using:
(in thousands)	December 31, 2011			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash equivalents	$	182,530		$	181,198	$	1,332	$	—
Short-term investments	$	576		$	—	$	576	$	—
Liabilities
Contingent consideration	$	(9,571	)	$	—	$	—	$	(9,571	)
Deferred compensation	$	(2,073	)	$	—	$	—	$	(2,073	)

Changes in Level 3 Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs

The following table presents the changes during the nine months ended September 30, 2012 in the Company’s Level 3 liabilities for contingent consideration and deferred compensation that are measured at fair value on a recurring basis:

	Fair Value Measurement Using Significant Unobservable Inputs
(in thousands)	Contingent Consideration			Deferred Compensation
Balance as of January 1, 2012	$	9,571		$	2,073
Interest expense included in earnings	43			9
Balance as of March 31, 2012	$	9,614		$	2,082
Interest expense included in earnings	43			9
Balance as of June 30, 2012	$	9,657		$	2,091
Contingent payments	(3,288		)	(712		)
Interest expense included in earnings	35			8
Balance as of September 30, 2012	$	6,404		$	1,387

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Details of Basic and Diluted EPS (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Earnings Per Share [Line Items]
Net income	$ 51,619	$ 45,546	$ 147,420	$ 133,218
Weighted average shares outstanding - basic	92,448	92,277	92,631	91,995
Dilutive effect of stock plans	2,307	2,168	2,327	2,273
Weighted average shares outstanding - diluted	94,755	94,445	94,958	94,268
Basic earnings per share	$ 0.56	$ 0.49	$ 1.59	$ 1.45
Diluted earnings per share	$ 0.54	$ 0.48	$ 1.55	$ 1.41
Anti-dilutive options	1,216	1,185	1,291	1,172

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New Accounting Guidance

9 Months Ended

Sep. 30, 2012

New Accounting Guidance

New Accounting Guidance

Fair Value Measurements: In May 2011, new accounting guidance was issued to provide a consistent definition of fair value and to ensure that the fair value measurement and disclosure requirements are similar between generally accepted accounting principles in the United States and International Financial Reporting Standards. The guidance changes certain fair value measurement principles and enhances the disclosure requirements, particularly for Level 3 fair value measurements. This guidance was adopted by the Company effective January 1, 2012, and it did not have any impact on the Company’s financial position, results of operations or cash flows.

Presentation of Comprehensive Income: In June 2011, new accounting guidance was issued regarding the presentation of comprehensive income in consolidated financial statements. This guidance requires that all non-owner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements. This guidance was retrospectively adopted by the Company effective January 1, 2012, and all non-owner changes in stockholders’ equity were presented in a separate statement.

Testing Goodwill for Impairment: In September 2011, new accounting guidance was issued regarding the requirement to test goodwill for impairment on at least an annual basis. Existing guidance requires that this test be performed by comparing the fair value of a reporting unit with its carrying amount, including goodwill (step one). If the fair value of a reporting unit is less than its carrying amount, then the second step of the test must be performed to measure the amount of the impairment loss, if any. Under the new guidance, an entity has the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, an entity determines it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then performing the two-step impairment test is unnecessary. However, if an entity concludes otherwise, then it is required to perform the first step of the two-step impairment test. This guidance was adopted by the Company effective January 1, 2012, and it did not have any impact on the Company’s financial position, results of operations or cash flows.