CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Treasury Stock	Noncontrolling Interests
Beginning balance at Aug. 31, 2014	$ 1,472,806	$ 1,290	$ 359,338	$ (19,509)	$ 1,350,070	$ (218,494)	$ 111
Beginning balance, shares at Aug. 31, 2014		129,060,664.000
Beginning balance, treasury stock, shares at Aug. 31, 2014						(11,231,402.000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	32,184				32,184
Other comprehensive income (loss)	(27,766)			(27,766)
Cash dividends ($0.12 per share)	(14,150)				(14,150)
Treasury stock acquired	(9,341)					$ (9,341)
Treasury stock acquired, shares						(560,493)
Issuance of stock under incentive and purchase plans, net of forfeitures	(2,981)		(11,362)			$ 8,381
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						398,042
Stock-based compensation	8,490		8,490
Tax benefit from stock plans	13		13
Ending balance at Nov. 30, 2014	1,459,255	$ 1,290	356,479	(47,275)	1,368,104	$ (219,454)	111
Ending balance, shares at Nov. 30, 2014		129,060,664
Ending balance, treasury stock, shares at Nov. 30, 2014						(11,393,853)
Beginning balance at Aug. 31, 2015	$ 1,381,374	$ 1,290	365,863	(113,535)	1,373,568	$ (245,961)	149
Beginning balance, shares at Aug. 31, 2015	129,060,664	129,060,664.000
Beginning balance, treasury stock, shares at Aug. 31, 2015	(13,425,326)					(13,425,326.000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 25,063				25,063
Other comprehensive income (loss)	(22,123)			(22,123)
Cash dividends ($0.12 per share)	(13,978)				(13,978)
Treasury stock acquired	(4,555)					$ (4,555)
Treasury stock acquired, shares						(316,086)
Issuance of stock under incentive and purchase plans, net of forfeitures	(7,628)		(25,193)			$ 17,565
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						912,939
Stock-based compensation	4,965		4,965
Tax benefit from stock plans	25		25
Reclassification of share-based liability awards	3,035		3,035
Ending balance at Nov. 30, 2015	$ 1,366,178	$ 1,290	$ 348,695	$ (135,658)	$ 1,384,653	$ (232,951)	$ 149
Ending balance, shares at Nov. 30, 2015	129,060,664	129,060,664
Ending balance, treasury stock, shares at Nov. 30, 2015	(12,828,473)					(12,828,473)