Condensed Consolidated Statements Of Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock [Member]	Capital In Excess Of Par [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Non-Controlling Interest [Member]
Balance Beginning at Jun. 30, 2012	$ 1,096,131	$ 2,008	$ 107,662	$ 1,000,822	$ (17,847)	$ 3,486
Balance Beginning, shares at Jun. 30, 2012		80,309
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	85,356			85,150		206
Foreign currency translation adjustments, net of tax	22,603				22,553	50
Change in unrealized losses on long-term investments, net of taxes	2,683				2,683
Acquisition of noncontrolling interest	(846)		(197)			(649)
Share-based compensation	11,526		11,526
Change in unrealized gains related to pension plans, net of taxes	0
Stock issued upon exercise of options, shares		228
Stock issued upon exercise of options	4,655	6	4,649
Repurchases of stock, shares		(1,196)
Repurchases of stock	(53,372)	(30)	(53,342)
Income tax benefit from options exercised	1,475		1,475
Balance Ending at Dec. 31, 2012	1,170,211	1,984	71,773	1,085,972	7,389	3,093
Balance Ending, shares at Dec. 31, 2012		79,341
Balance Beginning at Jun. 30, 2013	1,118,270	1,918		1,136,763	(23,625)	3,214
Balance Beginning, shares at Jun. 30, 2013	76,732	76,732
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	75,889			75,686		203
Foreign currency translation adjustments, net of tax	36,008				36,003	5
Change in unrealized losses on long-term investments, net of taxes	0
Change in unrealized gains related to pension plans, net of taxes	41				41
Dividends to noncontrolling interest	(110)					(110)
Share-based compensation	10,741			10,741
Stock issued upon exercise of options, shares		761
Stock issued upon exercise of options	19,080	19		19,061
Repurchases of stock, shares		(2,245)
Repurchases of stock	(111,312)	(56)		(111,256)
Income tax benefit from options exercised	1,909			1,909
Balance Ending at Dec. 31, 2013	$ 1,150,516	$ 1,881		$ 1,132,904	$ 12,419	$ 3,312
Balance Ending, shares at Dec. 31, 2013	75,248	75,248