Consolidated Statements Of Shareholders' Equity (USD $) In Thousands	Common Stock [Member]	Capital In Excess Of Par [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Non-controlling Interest [Member]	Total
Balance, value at Jun. 30, 2010	$ 2,001	$ 117,462	$ 689,750	$ (25,833)	$ 6,232	$ 789,612
Balance, shares at Jun. 30, 2010	80,042
Net income	0	0	144,059	0	554	144,613
Foreign currency translation adjustments, net of tax benefit of $0	0	0	0	74,968	856	75,824
Change in unrealized gains (losses) on long-term investments, net of tax	0	0	0	(812)	0	(812)
Change in unrealized gains related to pension plans, net of taxes of $105						0
Non-controlling interest put arrangement	0	0	30	0	0	30
Acquisition of non-controlling interest	0	0	0	0	(682)	(682)
Dividends to non-controlling interest	0	0	0	0	(420)	(420)
Share-based compensation	0	12,448	0	0	0	12,448
Stock issued upon exercise of options, value	37	28,069	0	0	0	28,106
Stock issued upon exercise of options, shares	1,471
Repurchases of stock, value	(18)	(33,385)	0	0	0	(33,403)
Repurchases of stock, shares	(708)
Income tax benefit from options exercised	0	7,935	0	0	0	7,935
Balance, value at Jun. 30, 2011	2,020	132,529	833,839	48,323	6,540	1,023,251
Balance, shares at Jun. 30, 2011	80,805
Net income	0	0	166,983	0	118	167,101
Foreign currency translation adjustments, net of tax benefit of $0	0	0	0	(67,373)	(540)	(67,913)
Change in unrealized gains (losses) on long-term investments, net of tax	0	0	0	1,203	0	1,203
Change in unrealized gains related to pension plans, net of taxes of $105						0
Acquisition of non-controlling interest	0	(2,069)	0	0	(2,632)	(4,701)
Share-based compensation	0	16,501	0	0	0	16,501
Stock issued upon exercise of options, value	20	14,913	0	0	0	14,933
Stock issued upon exercise of options, shares	792
Repurchases of stock, value	(32)	(59,167)	0	0	0	(59,199)
Repurchases of stock, shares	(1,288)
Income tax benefit from options exercised	0	4,955	0	0	0	4,955
Balance, value at Jun. 30, 2012	2,008	107,662	1,000,822	(17,847)	3,486	1,096,131
Balance, shares at Jun. 30, 2012	80,309					80,309
Net income	0	0	171,418	0	429	171,847
Foreign currency translation adjustments, net of tax benefit of $0	0	0	0	(8,827)	(52)	(8,879)
Change in unrealized gains (losses) on long-term investments, net of tax	0	0	0	2,683	0	2,683
Change in unrealized gains related to pension plans, net of taxes of $105	0	0	0	366	0	366
Acquisition of non-controlling interest	0	(197)	0	0	(649)	(846)
Share-based compensation	0	21,102	0	0	0	21,102
Stock issued upon exercise of options, value	11	9,045	0	0	0	9,056
Stock issued upon exercise of options, shares	480					480
Repurchases of stock, value	(101)	(141,025)	(35,477)	0	0	(176,603)
Repurchases of stock, shares	(4,057)
Income tax benefit from options exercised	0	3,413	0	0	0	3,413
Balance, value at Jun. 30, 2013	$ 1,918	$ 0	$ 1,136,763	$ (23,625)	$ 3,214	$ 1,118,270
Balance, shares at Jun. 30, 2013	76,732					76,732