Summary of Amounts Reclassified Out of Accumulated Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Nov. 30, 2014	Nov. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net revenue	$ 4,550,418us-gaap_SalesRevenueNet	$ 4,342,711us-gaap_SalesRevenueNet
Cost of revenue	(4,167,431)us-gaap_CostOfGoodsAndServicesSold	(4,008,460)us-gaap_CostOfGoodsAndServicesSold
Selling, general and administrative	(214,380)	(142,470)
Income from discontinued operations, net of tax	853	16,112
Interest rate swap	(31,839)us-gaap_InterestExpense	(33,305)us-gaap_InterestExpense
Total reclassified	316	(2,060)
Amounts Reclassified from AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassified	316	(2,060)
Amounts Reclassified from AOCI \| Forward foreign exchange contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net revenue	2,048	(2,262)
Cost of revenue	(464)	1,596
Selling, general and administrative	(280)	(102)
Income from discontinued operations, net of tax		(304)
Amounts Reclassified from AOCI \| Interest rate swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate swap	$ (988)	$ (988)

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount after 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).

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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