Derivatives And Risk Management (Hedged Items Designated As Fair Value Hedging Instruments) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012	Aug. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	$ (2,088)	$ (10,944)	$ (18,439)
Net sales | Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	153	0	91
Cost of goods sold | Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	(2,241)	0	0
SG&A expenses | Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	0	(383)	14,955
Interest expense | Interest rate
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before taxes for underlying items of fair value hedges	$ 0	$ (10,561)	$ (33,485)