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Financial Derivatives (Narrative) (Details) $ in Thousands, € in Millions, ZAR in Millions	12 Months Ended
	Aug. 31, 2015 USD ($)	Aug. 31, 2014 USD ($)	Aug. 31, 2013 USD ($)	Aug. 31, 2015 ZAR	Aug. 31, 2015 EUR (€)	Aug. 31, 2015 USD ($)	Aug. 31, 2014 ZAR	Aug. 31, 2014 EUR (€)	Aug. 31, 2014 USD ($)
Derivatives, Fair Value [Line Items]
Realized and unrealized gains, net of related income tax effects	$ 5,400	$ 2,000
Accumulated currency translation adjustments in AOCI, after-tax gains						$ (12,785)			$ 296
Foreign Exchange Forward [Member]
Derivatives, Fair Value [Line Items]
Outstanding foreign currency forward contracts						9,500			4,900
Net Investment Hedging [Member]
Derivatives, Fair Value [Line Items]
Foreign currency translation forward contracts resulting in an after-tax net (losses) gains	$ 3,800	$ (500)	$ (600)
Accumulated currency translation adjustments in AOCI, after-tax gains			$ 2,000			$ 5,400			$ 2,000
Outstanding foreign currency forward contracts				ZAR 43.0	€ 29.1		ZAR 43.0	€ 28.9

X

- Definition

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

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-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Article 12



-Section 13



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- Definition

The effective portion of gain or loss included in accumulated other comprehensive income on derivative instruments designated and qualifying as hedging instruments.

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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-SubTopic 10



-Section 45



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Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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