Consolidated Statements of Comprehensive Income Parenthetical (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Tax	$ 2,770	$ 436	$ 7,145	$ 473
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax expense (benefit)	20	178	937	516
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax expense (benefit)	81	3,404	(8,961)	3,756
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax expense (benefit)	$ 1,017	$ (1,799)	$ (514)	$ (1,136)