Consolidated Statement Of Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Jun. 30, 2013	$ 1,201,555	$ 490	$ 768,774	$ 489,767	$ (30,225)	$ (27,251)
Balance, shares at Jun. 30, 2013	49,026,263	49,026,263			1,336,036
Net income	104,127			104,127
Net Change in Accumulated Other Comprehensive Income	65,285					65,285
Issuance of common stock pursuant to compensation plans	14,974	8	14,810		156
Issuance of common stock pursuant to compensation plans, shares		(761,414)			(6,332)
Stock based compensation income tax effects	15,493		15,493
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans	(10,021)				(10,021)
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans, shares					123,337
Stock based compensation charge	9,656		9,656
Balance at Mar. 31, 2014	$ 1,549,422	$ 514	$ 957,070	$ 593,894	$ (40,090)	$ 38,034
Balance, shares at Mar. 31, 2014	51,433,850	51,433,850			1,453,041