CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - 3 months ended Nov. 30, 2015 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Noncontrolling Interests
Balance at Aug. 31, 2015	$ 2,335,011	$ 247	$ 1,955,104	$ 1,468,910	$ (50,854)	$ (1,058,551)	$ 20,155
Balance (in shares) at Aug. 31, 2015	192,068,068	192,068,068
Shares issued upon exercise of stock options (in shares)		17,289
Vesting of restricted stock awards	$ (1)	$ 1	(2)
Vesting of restricted stock awards (in shares)		1,701,567
Purchases of treasury stock under employee stock plans	(10,282)					(10,282)
Purchases of treasury stock under employee stock plans (in shares)		(443,644)
Treasury shares purchased	(54,567)					(54,567)
Treasury shares purchased (in shares)		(2,794,929)
Recognition of stock-based compensation	24,792		24,792
Excess tax benefit of stock awards	259		259
Declared dividends	(15,659)			(15,659)
Comprehensive income	123,237			131,885	(8,678)		30
Declared dividends to noncontrolling interests	(1,500)						(1,500)
Foreign currency adjustments attributable to noncontrolling interests	7						7
Balance at Nov. 30, 2015	$ 2,401,297	$ 248	$ 1,980,153	$ 1,585,136	$ (59,532)	$ (1,123,400)	$ 18,692
Balance (in shares) at Nov. 30, 2015	190,548,351	190,548,351