Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 30, 2012	Nov. 30, 2011
Net earnings	$ 49,719	$ 107,736
Other comprehensive income (loss), net of taxes:
Foreign currency translation adjustment and other, net of taxes (benefit) of $11,792 and $(40,667)	21,900	(75,525)
Net unrealized gain (loss) on derivatives:
Unrealized holding gain (loss), net of taxes of $88 and $324	317	(1,186)
Less: Reclassification for gain (loss) included in net earnings, net of taxes of $49 and $164	122	(1,133)
Net unrealized gain (loss) on derivatives, net of taxes of $39 and $160	195	(53)
Defined benefit obligation:
Amortization of prior service cost, net of taxes (benefit)	2	0
Adjustment from plan changes, net of taxes (benefit) of $308 and $0	1,315	0
Defined benefit obligation, net of taxes (benefit) of $308 and $0	1,317	0
Other comprehensive income (loss)	23,412	(75,578)
Comprehensive income	$ 73,131	$ 32,158