Derivatives And Risk Management (Hedged (Underlying) Items Designated As Fair Value Hedging Instruments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 29, 2012	Feb. 28, 2011	Feb. 29, 2012	Feb. 28, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Loss before taxes for underlying items of fair value hedges	$ (11,849)	$ 16,209	$ (15,624)	$ 2,540
Net Sales [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss before taxes for underlying items of fair value hedges		11		49
SG&A Expenses [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss before taxes for underlying items of fair value hedges	4,120	884	1,550	8,732
Interest Expense [Member] | Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss before taxes for underlying items of fair value hedges	$ (15,969)	$ 15,314	$ (17,174)	$ (6,241)