Components of Accumulated Other Comprehensive Loss, Net of Tax (Detail) $ in Thousands		9 Months Ended
		May. 31, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		$ (6,932)
Other comprehensive income (loss) before reclassifications		(10,746)
Amounts reclassified from accumulated other comprehensive loss		417
Ending balance		(17,261)
Unrealized Losses on Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(1,601)
Other comprehensive income (loss) before reclassifications		(7)
Amounts reclassified from accumulated other comprehensive loss		417
Ending balance		(1,191)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(4,813)
Other comprehensive income (loss) before reclassifications	[1]	(10,838)
Ending balance		(15,651)
Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(518)
Other comprehensive income (loss) before reclassifications		99
Ending balance		$ (419)

[1] Primarily relates to the foreign currency translation of the Company's Zloty functional currency operations in Poland to US Dollars.