CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Noncontrolling Interests
Beginning Balance at Aug. 31, 2012	$ 2,107,335	$ 232	$ 1,752,847	$ 766,934	$ 106,275	$ (521,231)	$ 2,278
Beginning Balance (in shares) at Aug. 31, 2012	206,028,577	206,028,577
Shares issued upon exercise of stock options (in shares)		243,904
Shares issued upon exercise of stock options	3,201	5	3,196
Vesting of restricted stock awards (in shares)		4,375,806
Purchases of treasury stock under employee stock plans (in shares)		(1,164,701)
Purchases of treasury stock under employee stock plans	(19,908)					(19,908)
Treasury shares purchased (in shares)		(7,342,904)
Treasury shares purchased	(129,262)					(129,262)
Recognition of stock-based compensation	18,915		18,915
Excess tax benefit of stock awards	210		210
Capital contribution of noncontrolling interest	317						317
Declared dividends	(16,962)			(16,962)
Comprehensive income	112,199			105,847	6,615		(263)
Ending Balance at Nov. 30, 2012	$ 2,076,045	$ 237	$ 1,775,168	$ 855,819	$ 112,890	$ (670,401)	$ 2,332
Ending Balance (in shares) at Nov. 30, 2012	202,140,682	202,140,682