Consolidated Statement Of Stockholders' Equity - USD ($) $ in Thousands	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	$ 923	$ 615,736	$ 375,111	$ (21,785)	$ (5,383)
Balance, shares at Jun. 30, 2012		92,303,356			2,405,686
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	$ 23	19,920
Issuance of common stock pursuant to compensation plans, shares		2,343,758
Stock Issued During Period, Value, Acquisitions	102,636	$ 34	102,602
Stock Issued During Period, Shares, Acquisitions		3,396,944
Stock based compensation income tax effects	17,016		17,016
Shares Paid for Tax Withholding for Share Based Compensation					266,464
Adjustments Related to Tax Withholding for Share-based Compensation	(8,440)				$ (8,440)
Stock based compensation charge	13,010		13,010
Balance at Jun. 30, 2013	1,201,555	$ 980	768,284	489,767	$ (30,225)	(27,251)
Balance, shares at Jun. 30, 2013		98,044,058			2,672,150
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	$ 15	14,919		$ 156
Issuance of common stock pursuant to compensation plans, shares		1,539,126			(12,664)
Stock Issued During Period, Value, Acquisitions	159,521	$ 36	159,485
Stock Issued During Period, Shares, Acquisitions		3,559,834
Stock based compensation income tax effects	14,046		14,046
Shares Paid for Tax Withholding for Share Based Compensation					246,674
Adjustments Related to Tax Withholding for Share-based Compensation	(10,023)				$ (10,023)
Stock based compensation charge	12,448		12,448
Balance at Jun. 30, 2014	$ 1,619,867	$ 1,031	969,182	629,618	$ (40,092)	60,128
Balance, shares at Jun. 30, 2014	103,143,018	103,143,018			2,906,160
Net income	$ 167,896			167,896
Other Comprehensive Income (Loss), Net of Tax	(102,534)					(102,534)
Issuance of common stock pursuant to compensation plans	26,085	$ 20	26,065
Issuance of common stock pursuant to compensation plans, shares		1,967,728
Stock Issued During Period, Value, Acquisitions	34,136	$ 7	34,129
Stock Issued During Period, Shares, Acquisitions		729,840
Stock based compensation income tax effects	32,098		32,098
Shares Paid for Tax Withholding for Share Based Compensation					323,182
Adjustments Related to Tax Withholding for Share-based Compensation	(18,058)				$ (18,058)
Stock based compensation charge	12,197		12,197
Balance at Jun. 30, 2015	$ 1,771,687	$ 1,058	$ 1,073,671	$ 797,514	$ (58,150)	$ (42,406)
Balance, shares at Jun. 30, 2015	105,840,586	105,840,586			3,229,342