CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Preferred stock	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock
Balance, start of year (value) at Jun. 30, 2008	$ 601,451	$ 0	$ 977	$ 291,120	$ 560,534	$ (251,180)
Shares, start of year (shares) at Jun. 30, 2008		0	97,702,098
Shares issued for equity-based payment arrangements (shares)			196,727
Shares issued for equity-based payment arrangements (value)	2		2
Shares issued for Employee Stock Purchase Plan (shares)			121,971
Shares issued for Employee Stock Purchase Plan (value)	1,889		1	1,888
Shares issued upon exercise of stock options (value)	1,882			1,882
Tax benefits from share-based compensation (value)	1,216			1,216
Stock-based compensation expense (value)	2,272			2,272
Net income	103,102				103,102
Dividends (value)	(26,903)				(26,903)
Purchase of treasury shares (value)	(58,405)					(58,405)
Balance, end of year (value) at Jun. 30, 2009	626,506	0	980	298,378	636,733	(309,585)
Shares, end of year (shares) at Jun. 30, 2009		0	98,020,796
Shares issued for equity-based payment arrangements (shares)			1,689,457
Shares issued for equity-based payment arrangements (value)	17		17
Shares issued for Employee Stock Purchase Plan (shares)			98,114
Shares issued for Employee Stock Purchase Plan (value)	1,954		1	1,953
Shares issued upon exercise of stock options (value)	26,569			26,569
Tax benefits from share-based compensation (value)	4,666			4,666
Stock-based compensation expense (value)	3,251			3,251
Net income	117,870				117,870
Dividends (value)	(30,461)				(30,461)
Balance, end of year (value) at Jun. 30, 2010	750,372		998	334,817	724,142	(309,585)
Shares, end of year (shares) at Jun. 30, 2010			99,808,367
Shares issued for equity-based payment arrangements (shares)			857,348
Shares issued for equity-based payment arrangements (value)	9		9
Shares issued for Employee Stock Purchase Plan (shares)			100,458
Shares issued for Employee Stock Purchase Plan (value)	2,457		1	2,456
Shares issued upon exercise of stock options (value)	16,838			16,837
Tax benefits from share-based compensation (value)	2,298			2,298
Stock-based compensation expense (value)	4,722			4,723
Net income	137,471				137,471
Dividends (value)	(34,391)				(34,391)
Balance, end of year (value) at Jun. 30, 2011	$ 879,776	$ 0	$ 1,008	$ 361,131	$ 827,222	$ (309,585)
Shares, end of year (shares) at Jun. 30, 2011		0	100,766,173