CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Treasury Stock	Noncontrolling Interests
Beginning balance at Aug. 31, 2011	$ 1,160,648	$ 1,290	$ 371,616	$ 59,473	$ 993,578	$ (265,532)	$ 223
Beginning balance, treasury stock, shares at Aug. 31, 2011						(13,526,901)
Beginning balance, shares at Aug. 31, 2011		129,060,664
Net earnings	207,490				207,484		6
Other comprehensive income (loss)	(77,609)			(77,609)
Cash dividends ($0.48 per share)	(55,617)				(55,617)
Issuance of stock under incentive and purchase plans, net of forfeitures	(81)		(17,604)			17,523
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						817,661
Stock-based compensation	9,763		9,763
Tax benefits (expense) from stock-based plans	1,968		1,968
Contribution from (purchase of) noncontrolling interests	(55)		35				(90)
Ending balance at Aug. 31, 2012	1,246,507	1,290	365,778	(18,136)	1,145,445	(248,009)	139
Ending balance, treasury stock, shares at Aug. 31, 2012						(12,709,240)
Ending balance, shares at Aug. 31, 2012		129,060,664
Net earnings	77,319				77,315		4
Other comprehensive income (loss)	(9,040)			(9,040)
Cash dividends ($0.48 per share)	(56,028)				(56,028)
Issuance of stock under incentive and purchase plans, net of forfeitures	951		(12,439)			13,390
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						659,566
Stock-based compensation	11,877		11,877
Tax benefits (expense) from stock-based plans	(1,444)		(1,444)
Contribution from (purchase of) noncontrolling interests	13						13
Ending balance at Aug. 31, 2013	1,270,155	1,290	363,772	(27,176)	1,166,732	(234,619)	156
Ending balance, treasury stock, shares at Aug. 31, 2013	(12,049,674)					(12,049,674)
Ending balance, shares at Aug. 31, 2013	129,060,664	129,060,664
Net earnings	115,552				115,551		1
Other comprehensive income (loss)	7,667			7,667
Cash dividends ($0.48 per share)	(56,428)				(56,428)
Issuance of stock under incentive and purchase plans, net of forfeitures	(1,488)		(17,613)			16,125
Issuance of stock under incentive and purchase plans, net of forfeitures, shares						818,272
Stock-based compensation	17,574		17,574
Tax benefits (expense) from stock-based plans	(4,426)		(4,426)
Contribution from (purchase of) noncontrolling interests	(15)		31				(46)
Ending balance at Aug. 31, 2014	$ 1,348,591	$ 1,290	$ 359,338	$ (19,509)	$ 1,225,855	$ (218,494)	$ 111
Ending balance, treasury stock, shares at Aug. 31, 2014	(11,231,402)					(11,231,402)
Ending balance, shares at Aug. 31, 2014	129,060,664	129,060,664