Quarterly reduction in amount of the hedged item.

No definition available.

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- Definition

Semi-annual reduction in amount of the hedged item

+ References

No definition available.

+ Details

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- Definition

Represents the number of existing senior lenders, for whom the entity has entered into a derivative agreement to exchange variable interest cash flows with fixed interest cash flows.

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the derivative instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Represents the reference rate used to compute the variable rate on the derivative instrument.

+ References

No definition available.

+ Details

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- Definition

Represents the term of the new derivative contracts that continually replace the old contracts, as long as the entity has significant net assets at its subsidiaries that are denominated and ultimately settled in currencies other than functional currencies.

+ References

No definition available.

+ Details

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- Definition

The increase (decrease) in cumulative translation adjustment before transfers included in determining net income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section 45

-Paragraph 20

-Subparagraph (b),(c)

-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 23, 24, 25, 26

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument.

+ References

No definition available.

+ Details

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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13495-108611

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Balance Type:	debit
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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

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Derivatives (Details) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended				9 Months Ended		9 Months Ended		9 Months Ended
Derivatives (Details) (USD $)	Feb. 29, 2012 item	Apr. 30, 2013 Foreign currency forward contracts Fair value hedge instruments item	Apr. 30, 2012 Foreign currency forward contracts Fair value hedge instruments	Apr. 30, 2013 Foreign currency forward contracts Fair value hedge instruments item	Apr. 30, 2012 Foreign currency forward contracts Fair value hedge instruments	Apr. 30, 2013 Interest rate swap agreements Term Loan Facility	Aug. 08, 2012 Interest rate swap agreements Term Loan Facility	Apr. 30, 2013 Interest rate swap agreements Revolving Credit Facility	Aug. 08, 2012 Interest rate swap agreements Revolving Credit Facility	Apr. 30, 2013 Interest rate swap agreements Cash flow hedge instruments Term Loan Facility	Aug. 08, 2012 Interest rate swap agreements Cash flow hedge instruments Term Loan Facility	Apr. 30, 2013 Interest rate swap agreements Cash flow hedge instruments Revolving Credit Facility	Aug. 08, 2012 Interest rate swap agreements Cash flow hedge instruments Revolving Credit Facility
Derivatives
Term of contracts				1 month
Number of contracts		3		3
Aggregate value of contracts		$ 2,488,000		$ 2,488,000
Term of renewed contracts				1 month
Net currency conversion gain (loss), net of tax		(2,000)	(4,000)	(46,000)	0
Number of existing senior lenders of debt, whose variable interest cash flows will be exchanged by the entity with fixed interest cash flows	1
Borrowing initially hedged							40,000,000		25,000,000		40,000,000		25,000,000
Reference rate, description										one month LIBOR		one month LIBOR
Quarterly reduction in borrowings hedged						2,500,000				2,500,000
Reference rate (as a percent)										0.664%		0.496%
Semi-annual reduction in borrowings hedged								$ 5,000,000				$ 5,000,000