STOCKHOLDERS' EQUITY (Schedule of Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands		6 Months Ended		12 Months Ended
		Feb. 28, 2018	Feb. 28, 2017	Aug. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		$ (110,059)	$ (103,951)	$ (103,951)
Other comprehensive income (loss)		3,809	(846)	(6,147)
Amounts reclassified from accumulated other comprehensive income (loss)			(14)	39
Ending balance		(106,250)	(104,811)	(110,059)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(108,539)	(102,242)	(102,242)
Other comprehensive income (loss)		2,313	(1,629)	(6,297)
Amounts reclassified from accumulated other comprehensive income (loss)
Ending balance		(106,226)	(103,871)	(108,539)
Defined Benefit Pension Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(442)	(315)	(315)
Other comprehensive income (loss)		59		(166)
Amounts reclassified from accumulated other comprehensive income (loss)	[1]		(14)	39
Ending balance		(383)	(329)	(442)
Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance		(1,078)	(1,394)	(1,394)
Other comprehensive income (loss)	[2]	1,437	783	316
Amounts reclassified from accumulated other comprehensive income (loss)
Ending balance		$ 359	$ (611)	$ (1,078)

[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 7 - Derivative Instruments and Hedging Activities.