ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI by Components) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ (92,429)	$ 874	$ (19,509)	$ (27,176)
Other comprehensive income (loss) before reclassifications	(4,534)	1,045	(78,214)	27,737
Amounts reclassified from AOCI	801	(105)	1,561	1,253
Other comprehensive income (loss)	(3,733)	940	(76,653)	28,990
Ending balance	(96,162)	1,814	(96,162)	1,814
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(91,154)	708	(19,891)	(27,477)
Other comprehensive income (loss) before reclassifications	(4,588)	655	(75,851)	28,840
Amounts reclassified from AOCI	0	0	0	0
Other comprehensive income (loss)	(4,588)	655	(75,851)	28,840
Ending balance	(95,742)	1,363	(95,742)	1,363
Unrealized Gain (Loss) on Derivatives
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	1,355	2,913	3,014	3,594
Other comprehensive income (loss) before reclassifications	54	390	(2,371)	(1,653)
Amounts reclassified from AOCI	804	(103)	1,570	1,259
Other comprehensive income (loss)	858	287	(801)	(394)
Ending balance	2,213	3,200	2,213	3,200
Defined Benefit Obligation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(2,630)	(2,747)	(2,632)	(3,293)
Other comprehensive income (loss) before reclassifications	0	0	8	550
Amounts reclassified from AOCI	(3)	(2)	(9)	(6)
Other comprehensive income (loss)	(3)	(2)	(1)	544
Ending balance	$ (2,633)	$ (2,749)	$ (2,633)	$ (2,749)