Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Accumulated Other Comprehensive Income	Retained Earnings	Treasury Stock
Beginning Balance at Jun. 30, 2012	$ 586,226	$ 176,295	$ 10,238	$ 434,940	$ (35,247)
Beginning Balance, shares at Jun. 30, 2012		69,627,000			(6,794,000)
Shares issued under share-based compensation plans	4,104	$ 4,104
Shares issued under share-based compensation plans (in shares)		596,000
Net earnings	50,813			50,813
Purchases of treasury stock	$ (19,978)				$ (19,978)
Purchases of treasury stock, shares	(1,141,022)				(1,141,000)
Treasury stock under deferred compensation arrangements		$ 1,291			$ (1,291)
Treasury stock under deferred compensation arrangements, (in shares)					(70,000)
Minimum tax withholding requirements	$ (138)				$ (138)
Minimum tax withholding requirements, (in shares)					(7,000)
Foreign currency translation adjustments	5,362		5,362
Share-based compensation expense	11,959	11,959
Excess tax benefits from share-based compensation expense	635	635
Adjustment to redeemable noncontrolling interest	(2,875)			(2,875)
Ending Balance at Jun. 30, 2013	636,108	$ 194,284	15,600	482,878	$ (56,654)
Ending Balance, shares at Jun. 30, 2013		70,223,000			(8,012,000)
Shares issued under share-based compensation plans	3,655	$ 4,482			$ (827)
Shares issued under share-based compensation plans (in shares)		712,000			(44,000)
Net earnings	38,449			38,449
Purchases of treasury stock	$ (19,973)				$ (19,973)
Purchases of treasury stock, shares	(1,333,355)				(1,333,000)
Treasury stock under deferred compensation arrangements		$ 1,809			$ (1,809)
Treasury stock under deferred compensation arrangements, (in shares)					(93,000)
Foreign currency translation adjustments	$ 2,363		2,363
Share-based compensation expense	12,347	12,347
Pension adjustment, net of taxes of ($602) for the year ended June 30, 2015 and $387 for the year ended June 30, 2014, respectively	1,443		1,443
Excess tax benefits from share-based compensation expense	651	651
Ending Balance at Jun. 30, 2014	675,043	$ 213,573	19,406	521,327	$ (79,263)
Ending Balance, shares at Jun. 30, 2014		70,935,000			(9,482,000)
Shares issued under share-based compensation plans	4,111	$ 5,196			$ (1,085)
Shares issued under share-based compensation plans (in shares)		773,000			(75,000)
Net earnings	65,975			65,975
Purchases of treasury stock	$ (12,729)				$ (12,729)
Purchases of treasury stock, shares	(936,049)				(936,000)
Treasury stock under deferred compensation arrangements		$ 418			$ (418)
Treasury stock under deferred compensation arrangements, (in shares)		72,000			(72,000)
Foreign currency translation adjustments	$ (8,497)		(8,497)
Share-based compensation expense	11,340	$ 11,340
Pension adjustment, net of taxes of ($602) for the year ended June 30, 2015 and $387 for the year ended June 30, 2014, respectively	(2,244)		(2,244)
Excess tax benefits from share-based compensation expense	335
Ending Balance at Jun. 30, 2015	729,081	$ 226,609	$ 8,665	$ 587,302	$ (93,495)
Ending Balance, shares at Jun. 30, 2015		71,780,000			(10,565,000)
APIC pool reclassification	(3,812)	$ (3,812)
Tax deficiency from share-based compensation expense	$ (106)	$ (106)