Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 379,873	$ 252,329	$ 883,522	$ 873,728
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	4,385	706	11,480	767
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	32	290	1,520	838
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	131	5,520	(14,535)	6,091
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	1,650	(2,918)	(833)	(1,844)
Other Comprehensive Income (Loss), Net of Tax	6,198	3,598	(2,368)	5,852
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	386,071	255,927	881,154	879,580
Comprehensive (Income) Loss, Net of Tax, Attributable to Noncontrolling Interest	418	1,533	1,812	4,139
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 385,653	$ 254,394	$ 879,342	$ 875,441