Derivatives And Risk Management (Hedged (Underlying) Items Designated As Fair Value Hedging Instruments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2012	May 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	$ 808	$ (5,714)	$ (14,816)	$ (3,174)
Net sales [Member] | Foreign exchange [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	0	77	0	126
SG&A expenses [Member] | Foreign exchange [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	(5,805)	5,299	(4,255)	14,031
Interest expense [Member] | Interest rate [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	$ 6,613	$ (11,090)	$ (10,561)	$ (17,331)