Consolidated Statements of Comprehensive Income Parenthetical - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax	$ 2,024	$ 2,770	$ 6,391	$ 7,145
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax expense (benefit)	(125)	20	351	937
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax expense (benefit)	223	81	(1,262)	(8,961)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax expense (benefit)	$ (796)	$ 1,017	$ (7,581)	$ (514)