STOCKHOLDERS' EQUITY (Schedule of Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands		12 Months Ended
		Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		$ (103,951)	$ (101,512)	$ (49,286)
Other comprehensive income (loss)		(6,147)	(2,419)	(51,835)
Amounts reclassified from accumulated other comprehensive income (loss)		39	(20)	(391)
Ending balance		(110,059)	(103,951)	(101,512)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(102,242)	(100,540)	(50,410)
Other comprehensive income (loss)		(6,297)	(1,702)	(50,130)
Ending balance		(108,539)	(102,242)	(100,540)
Defined Benefit Pension Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(315)	(113)	113
Other comprehensive income (loss)		(166)	(182)	65
Amounts reclassified from accumulated other comprehensive income (loss)	[1]	39	(20)	(291)
Ending balance		(442)	(315)	(113)
Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(1,394)	(859)	1,011
Other comprehensive income (loss)	[2]	316	(535)	(1,770)
Amounts reclassified from accumulated other comprehensive income (loss)	[2],[3]			(100)
Ending balance		$ (1,078)	$ (1,394)	$ (859)

[1] Amounts reclassified from accumulated other comprehensive income (loss) related to the minimum pension liability are included in warehouse club operations in the Company's consolidated statements of income.

[2] See Note 12 - Derivative Instruments and Hedging Activities.

[3] Amounts reclassified from accumulated other comprehensive income (loss) for settlement of derivative instruments are included in other income (expense), net in the Company's consolidated statements of income.