CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning Balance at Jun. 30, 2013	$ 1,397,156	$ 745	$ 291,269	$ 1,575,009	$ (17,101)	$ (452,766)
Comprehensive Income:
Net income	134,032			134,032
Currency Translation Gain (Loss)	1,369				1,369
Unrealized investment gains, net of tax	338				338
Change in noncontrolling interest put option	(4,860)			(4,860)
Stock-based compensation	17,685		17,685
Cash dividends of $0.34, $0.36 and $0.36, per common share in 2014, 2015 and 2016 respectively	(21,903)			(21,903)
Net activity from stock-based compensation awards	6,928	8	10,473			(3,553)
Tax benefit from exercise of stock-based compensation awards	1,276		1,276
Proceeds from stock issued under Colleague Stock Purchase Plan	1,372			(207)		1,579
Ending Balance at Jun. 30, 2014	1,533,393	753	320,703	1,682,071	(15,394)	(454,740)
Comprehensive Income:
Net income	139,899			139,899
Currency Translation Gain (Loss)	(61,703)				(61,703)
Unrealized investment gains, net of tax	(17)				(17)
Change in noncontrolling interest put option	(2,427)			(2,427)
Stock-based compensation	17,440		17,440
Cash dividends of $0.34, $0.36 and $0.36, per common share in 2014, 2015 and 2016 respectively	(23,230)			(23,230)
Net activity from stock-based compensation awards	3,458	7	9,533			(6,082)
Tax benefit from exercise of stock-based compensation awards	2,580		2,580
Proceeds from stock issued under Colleague Stock Purchase Plan	1,335			48		1,287
Repurchase of common shares for treasury	(25,918)					(25,918)
Ending Balance at Jun. 30, 2015	1,584,810	760	350,256	1,796,361	(77,114)	(485,453)
Comprehensive Income:
Net income	(3,166)			(3,166)
Currency Translation Gain (Loss)	34,821				34,821
Unrealized investment gains, net of tax	(174)				(174)
Change in noncontrolling interest put option	1,804			1,804
Stock-based compensation	22,368		22,368
Cash dividends of $0.34, $0.36 and $0.36, per common share in 2014, 2015 and 2016 respectively	(22,977)			(22,977)
Net activity from stock-based compensation awards	(3,137)	5	332			(3,474)
Tax benefit from exercise of stock-based compensation awards	(781)		(781)
Proceeds from stock issued under Colleague Stock Purchase Plan	1,153			(954)		2,107
Repurchase of common shares for treasury	(32,634)					(32,634)
Ending Balance at Jun. 30, 2016	$ 1,582,087	$ 765	$ 372,175	$ 1,771,068	$ (42,467)	$ (519,454)