ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI by Components) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	$ (113,535)	$ (19,509)	$ (27,176)
Other comprehensive income (loss) before reclassifications	(10,285)	(85,699)	5,249
Amounts reclassified from AOCI	10,906	(8,327)	2,418
Other comprehensive income (loss)	621	(94,026)	7,667
Balance	(112,914)	(113,535)	(19,509)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	(113,081)	(19,891)	(27,477)
Other comprehensive income (loss) before reclassifications	(11,771)	(83,063)	7,586
Amounts reclassified from AOCI	12,597	(10,127)	0
Other comprehensive income (loss)	826	(93,190)	7,586
Balance	(112,255)	(113,081)	(19,891)
Unrealized Gain (Loss) on Derivatives
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	2,305	3,014	3,594
Other comprehensive income (loss) before reclassifications	1,618	(2,467)	(1,848)
Amounts reclassified from AOCI	(1,737)	1,758	1,268
Other comprehensive income (loss)	(119)	(709)	(580)
Balance	2,186	2,305	3,014
Defined Benefit Obligation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	(2,759)	(2,632)	(3,293)
Other comprehensive income (loss) before reclassifications	(132)	(169)	(489)
Amounts reclassified from AOCI	46	42	1,150
Other comprehensive income (loss)	(86)	(127)	661
Balance	$ (2,845)	$ (2,759)	$ (2,632)