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, 2011	$ 866,703	$ 451	$ 582,972	$ 295,886	$ (19,750)	$ 7,144
Balance, shares at Jun. 30, 2011		45,045,097			1,144,610
Net income	79,225			79,225
Other Comprehensive Income (Loss), Net of Tax	(12,527)					(12,527)
Issuance of common stock pursuant to compensation plans	16,135	11	16,124
Issuance of common stock pursuant to compensation plans, shares		1,110,815
Stock based compensation income tax effects	8,811		8,811
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans, shares					58,194
Adjustments Related to Tax Withholding for Share-based Compensation	(2,035)				(2,035)
Stock based compensation charge	8,290		8,290
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			1,202,804
Net income	114,656			114,656
Other Comprehensive Income (Loss), Net of Tax	(21,868)					(21,868)
Issuance of common stock pursuant to compensation plans	19,943	11	19,932
Issuance of common stock pursuant to compensation plans, shares		1,171,879
Stock based compensation income tax effects	17,016		17,016
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans, shares					133,232
Adjustments Related to Tax Withholding for Share-based Compensation	8,440				(8,440)
Stock based compensation charge	13,010		13,010
Stock Issued During Period, Value, Acquisitions		17	102,619
Stock Issued During Period, Shares, Acquisitions		1,698,472
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	139,851			139,851
Other Comprehensive Income (Loss), Net of Tax	87,379					87,379
Issuance of common stock pursuant to compensation plans	15,090	8	14,926		156
Issuance of common stock pursuant to compensation plans, shares		769,563			(6,332)
Stock based compensation income tax effects	14,046		14,046
Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans, shares					123,337
Adjustments Related to Tax Withholding for Share-based Compensation	(10,023)				(10,023)
Stock based compensation charge	12,448		12,448
Stock Issued During Period, Value, Acquisitions	159,521	18	159,503
Stock Issued During Period, Shares, Acquisitions		1,779,917
Balance at Jun. 30, 2014	$ 1,619,867	$ 516	$ 969,697	$ 629,618	$ (40,092)	$ 60,128
Balance, shares at Jun. 30, 2014	51,575,743	51,575,743			1,453,041