STOCKHOLDERS EQUITY (Schedule of Components of Other Comprehensive Loss) (Details) - USD ($) $ in Thousands		9 Months Ended		12 Months Ended
		May 31, 2016	May 31, 2015	Aug. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		$ (101,512)	$ (49,286)	$ (49,286)
Other comprehensive income (loss)		(4,905)	(20,735)	(51,835)
Amounts reclassified from accumulated other comprehensive income (loss)		(14)	(35)	(391)
Ending balance		(106,431)	(70,056)	(101,512)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(100,540)	(50,410)	(50,410)
Other comprehensive income (loss)		(4,383)	(24,241)	(50,130)
Ending balance		(104,923)	(74,651)	(100,540)
Defined Benefit Pension Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(113)	113	113
Other comprehensive income (loss)				65
Amounts reclassified from accumulated other comprehensive income (loss)	[1]	(14)	(35)	(291)
Ending balance		(127)	78	(113)
Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(859)	1,011	1,011
Other comprehensive income (loss)		(522)	3,506	(1,770)
Amounts reclassified from accumulated other comprehensive income (loss)	[2],[3]			(100)
Ending balance		$ (1,381)	$ 4,517	$ (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] 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.

[3] See Note 9 - Derivative Instruments and Hedging Activities.