Amount outstanding forward foreign exchange contracts including certain specific contracts.

No definition available.

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- Definition

Amount Outstanding Forward Foreign Exchange Contracts Net Investment Hedge

+ References

No definition available.

+ Details

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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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.

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- Definition

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

+ References

No definition available.

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- Details

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- Definition

The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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- Definition

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e689-108580

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-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph c

-URI http://asc.fasb.org/extlink&oid=35706170&loc=d3e41638-113959

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- Definition

Current period adjustment in other comprehensive income reflecting gains or losses on foreign currency transactions that are designated as, and are effective as, hedges of a net investment in a foreign entity, net of tax effect.

+ 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)

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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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Derivatives and Hedging Activities - Additional Information (Detail) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2015 USD ($)	Jan. 31, 2014 USD ($)	Jan. 31, 2015 USD ($)	Jan. 31, 2014 USD ($)	Jul. 31, 2014 USD ($)	Jan. 31, 2015 GBP-denominated interco debt [Member] GBP (£)	May 13, 2010 Senior Unsecured Notes [Member] GBP (£)
Derivatives, Fair Value [Line Items]
Derivative Maturities			18 months
Derivative, Notional Amount	$ 67,996invest_DerivativeNotionalAmount		$ 67,996invest_DerivativeNotionalAmount		$ 104,000invest_DerivativeNotionalAmount
Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months	(1,724)	(258)	(1,724)	(258)
Cash Flow Hedge Gain (Loss) Reclassified to Earnings	116	2	95	92
Total Outstanding Forward Foreign Exchange Contracts	11,088		11,088
Derivative, Amount of Hedged Item						25,036	75,000
Amount Outstanding Forward Foreign Exchange Contracts Net Investment Hedge	3,500		3,500		5,300
Gain (Loss) on Derivative Used in Net Investment Hedge, Net of Tax			53	280
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	$ (1,173)	$ (26)	$ (2,050)	$ (1,421)