Components of Accumulated Other Comprehensive Loss, Net of Tax (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Feb. 28, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (6,932)
Other comprehensive income (loss) before reclassifications	(9,664)
Amounts reclassified from accumulated other comprehensive loss	671
Ending balance	(15,925)
Unrealized Losses on Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(1,601)
Other comprehensive income (loss) before reclassifications	(114)
Amounts reclassified from accumulated other comprehensive loss	671
Ending balance	(1,044)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(4,813)
Other comprehensive income (loss) before reclassifications	(9,556)	[1]
Ending balance	(14,369)
Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(518)
Other comprehensive income (loss) before reclassifications	6
Ending balance	$ (512)

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