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	27,655			27,655
Other Comprehensive Income (Loss), Net of Tax	42,914					42,914
Issuance of common stock pursuant to compensation plans	7,937	2	7,935
Issuance of common stock pursuant to compensation plans, shares		148,609
Stock based compensation income tax effects	926		926
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans	(3,949)				3,949
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans, shares					51,259
Stock based compensation charge	3,237		3,237
Balance at Sep. 30, 2013	$ 1,280,275	$ 492	$ 780,872	$ 517,422	$ (34,174)	$ 15,663
Balance, shares at Sep. 30, 2013	49,174,872	49,174,872			1,387,295