CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total USD ($)	Preferred stock	Common Stock USD ($)	Additional Paid-In Capital USD ($)	Retained Earnings USD ($)	Treasury Stock USD ($)
Balance, start of year (value) at Jun. 30, 2011						$ (309,585)
Balance, start of year (value) at Jun. 30, 2011			1,008	361,131	827,222
Shares, beginning of year at Jun. 30, 2011			100,766,173
Preferred Stock, Shares Outstanding		0
Shares issued for equity-based payment arrangements (shares)			594,428
Shares issued for equity-based payment arrangements (value)			6
Shares issued upon exercise of stock options (value)				10,998
Tax withholding related to share based compensation	(4,112)
Shares issued for Employee Stock Purchase Plan (shares)			121,860
Shares issued for Employee Stock Purchase Plan (value)			1	3,321
Tax benefits from share-based compensation (value)				3,631
Stock-based compensation expense (value)				6,950
Net Income	154,984				154,984
Dividends (value)					(38,128)
Purchase of treasury shares						(34,371)
Balance, end of year (value) at Jun. 30, 2012						(343,956)
Balance, end of year (value) at Jun. 30, 2012	983,056		1,015	381,919	944,078
Shares, end of year at Jun. 30, 2012			101,482,461
Preferred Stock, Shares Outstanding		0
Shares issued for equity-based payment arrangements (shares)			405,270
Shares issued for equity-based payment arrangements (value)			4
Shares issued upon exercise of stock options (value)				6,771
Tax withholding related to share based compensation	(3,926)
Shares issued for Employee Stock Purchase Plan (shares)			106,077
Shares issued for Employee Stock Purchase Plan (value)			1	3,699
Tax benefits from share-based compensation (value)				3,632
Stock-based compensation expense (value)				8,615
Net Income	176,645				176,645
Dividends (value)					(48,202)
Purchase of treasury shares						(58,126)
Balance, end of year (value) at Jun. 30, 2013	(402,082)					(402,082)
Balance, end of year (value) at Jun. 30, 2013	1,072,169		1,020	400,710	1,072,521
Shares, end of year at Jun. 30, 2013			101,993,808
Preferred Stock, Shares Outstanding		0
Shares issued for equity-based payment arrangements (shares)			344,372
Shares issued for equity-based payment arrangements (value)			3
Shares issued upon exercise of stock options (value)				606
Tax withholding related to share based compensation	(6,598)
Shares issued for Employee Stock Purchase Plan (shares)			91,746
Shares issued for Employee Stock Purchase Plan (value)			1	4,283
Tax benefits from share-based compensation (value)				3,420
Stock-based compensation expense (value)				10,091
Net Income	201,136				201,136
Dividends (value)					(71,251)
Purchase of treasury shares						(175,699)
Balance, end of year (value) at Jun. 30, 2014	(577,781)					(577,781)
Balance, end of year (value) at Jun. 30, 2014	$ 1,038,161		$ 1,024	$ 412,512	$ 1,202,406
Shares, end of year at Jun. 30, 2014			102,429,926