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, 2012	$ 964,602	$ 462	$ 616,197	$ 375,111	$ (21,785)	$ (5,383)
Balance, shares at Jun. 30, 2012	46,155,912	46,155,912			1,202,804
Net income	16,386			16,386
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	12,875					12,875
Issuance of common stock pursuant to compensation plans	11,598	3	11,595
Issuance of common stock pursuant to compensation plans, shares		344,297
Stock based compensation income tax effects	3,659		3,659
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans	(3,077)				3,077
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans, shares					46,605
Stock based compensation charge	2,892		2,892
Balance at Sep. 30, 2012	$ 1,008,935	$ 465	$ 634,343	$ 391,497	$ (24,862)	$ 7,492
Balance, shares at Sep. 30, 2012	46,500,209	46,500,209			1,249,409