CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - 3 months ended Nov. 30, 2016 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Noncontrolling Interests
Balance at Aug. 31, 2016	$ 2,457,497	$ 250	$ 2,034,525	$ 1,660,820	$ (39,877)	$ (1,217,547)	$ 19,326
Balance (in shares) at Aug. 31, 2016		186,998,472
Shares issued upon exercise of stock options (in shares)		1,133
Vesting of restricted stock awards		$ 2	(2)
Vesting of restricted stock awards (in shares)		1,812,168
Purchases of treasury stock under employee stock plans	(9,121)					(9,121)
Purchases of treasury stock under employee stock plans (in shares)		(428,623)
Treasury shares purchased	(114,164)					(114,164)
Treasury shares purchased (in shares)		5,280,210
Recognition of stock-based compensation	(291)		(291)
Declared dividends	(15,639)			(15,639)
Comprehensive income	73,663			88,027	(13,038)		(1,326)
Foreign currency adjustments attributable to noncontrolling interests	17						17
Balance at Nov. 30, 2016	$ 2,391,962	$ 252	$ 2,034,232	$ 1,733,208	$ (52,915)	$ (1,340,832)	$ 18,017
Balance (in shares) at Nov. 30, 2016		183,102,940