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, 2013	$ 2,355,567	$ 238	$ 1,853,409	$ 1,071,175	$ 81,248	$ (670,783)	$ 20,280
Beginning Balance (in shares) at Aug. 31, 2013	203,164,870	203,164,870
Shares issued upon exercise of stock options (in shares)		1,251
Shares issued under employee stock purchase plan	7,702	5	7,697
Shares issued under employee stock purchase plan (in shares)		518,771
Vesting of restricted stock awards (in shares)		4,793,969
Purchases of treasury stock under employee stock plans	(32,845)					(32,845)
Purchases of treasury stock under employee stock plans (in shares)		(1,487,855)
Treasury shares purchased	(64,051)					(64,051)
Treasury shares purchased (in shares)		(3,636,678)
Recognition of stock-based compensation	(9,232)		(9,232)
Excess tax benefit of stock awards	654		654
Declared dividends	(33,969)			(33,969)
Comprehensive income	92,872			79,255	13,323		294
Adjustment of noncontrolling interests	9,699						9,699
Purchase of noncontrolling interests	(1,720)		(747)				(973)
Sale of noncontrolling interest	(4,278)						(4,278)
Foreign currency adjustments attributable to noncontrolling interests	25						25
Ending Balance at Feb. 28, 2014	$ 2,320,424	$ 243	$ 1,851,781	$ 1,116,461	$ 94,571	$ (767,679)	$ 25,047
Ending Balance (in shares) at Feb. 28, 2014	203,354,328	203,354,328