Amount outstanding forward foreign exchange contracts including certain specific contracts.

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- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 205G

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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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- 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.

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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.

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- Definition

Aggregate notional amount of all derivatives designated as a hedge of a net investment in a foreign operation. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.

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- Definition

Aggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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- Definition

Before tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income. Also includes reclassification adjustments of an entity's share of an equity investee's deferred hedging gain (loss) realized in net income.

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Derivatives and Hedging Activities - Additional Information (Detail) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2013 USD ($)	Apr. 30, 2012 USD ($)	Apr. 30, 2013 USD ($)	Apr. 30, 2012 USD ($)	Jul. 31, 2012 USD ($)	Jul. 31, 2012 EUR (€)	Oct. 31, 2012 GBP-denominated interco debt [Member] GBP (£)	Oct. 31, 2012 Euro-denominated interco debt [Member] EUR (€)	May 13, 2010 Senior Unsecured Notes [Member] EUR (€)
Derivatives, Fair Value [Line Items]
Derivative maturity			18 months
Notional amount of outstanding forward exchange contracts	$ 170,641		$ 170,641		$ 61,169
Unrealized losses on foreign currency cash flow hedges expected to be reclassified to earnings within the next twelve months	132	46	132	46
Reclassification adjustment for (gains) losses included in net income	9	(382)	(548)	252
Total outstanding forward foreign exchange contracts	11,632		11,632		39,458
Net investment hedges to hedge portions of net investment						4,581	25,036	4,581	75,000
Outstanding forward foreign exchange contracts	7,399		7,399		10,650
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax			24	3,228
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	$ 520	$ 227	$ 478	$ 188