Consolidated Statements of Comprehensive Income Parenthetical - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	$ 7,076	$ 0	$ 0
Net Change in Net Actuarial Gains (Losses) [Member]
Net change in tax on pension and other postretirement benefit plans	(2,743)	8,262	55
Net Change in Prior Service (Costs) Credit [Member]
Net change in tax on pension and other postretirement benefit plans	$ 0	$ 0	$ 0