Income Taxes (Components Of Income Taxes) (Details) (USD $) In Thousands	12 Months Ended
	Aug. 31, 2011	Aug. 31, 2010	Aug. 31, 2009
Income Taxes
Current U.S.- Federal income taxes	$ (8,937)	$ 5,845	$ (1,439)
Current U.S.- State income taxes	1,103	2,040	453
Current Foreign income taxes	102,826	66,285	59,509
Total current Income Taxes, total	94,992	74,170	58,523
Deferred U.S.- Federal income taxes	4,123	(2,273)	71,438
Deferred U.S.- State income taxes	97	97	14,310
Deferred Foreign income taxes	(983)	4,507	16,627
Total deferred income taxes	3,237	2,331	102,375
Total U.S.- Federal income taxes	(4,814)	3,572	69,999
Total U.S.- State income taxes	1,200	2,137	14,763
Total Foreign income taxes	101,843	70,792	76,136
Provision for income taxes	$ 98,229	$ 76,501	$ 160,898