Income Taxes (Income Tax Expense (Benefit)) (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2013
Income Taxes [Abstract]
Current U.S. - Federal income taxes	$ 1,169	$ 3,047	$ 4,762
Current U.S. - State income taxes	164	319	226
Current Non-U.S. income taxes	147,199	107,819	129,908
Total current income taxes	148,532	111,185	134,896
Deferred U.S. - Federal income taxes	(1,653)	(9,108)	(109,304)
Deferred U.S. - State income taxes	(300)	(3,606)	3,044
Deferred Non-U.S. income taxes	(9,118)	(24,760)	(21,005)
Total deferred income taxes	(11,071)	(37,474)	(127,265)
Total U.S - Federal income taxes	(484)	(6,061)	(104,542)
Total U.S - State income taxes	(136)	(3,287)	3,270
Total Non-U.S income taxes	138,081	83,059	108,903
Total income tax expense	$ 137,461	$ 73,711	$ 7,631