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 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]
Stock issued upon exercise of options, shares		201
Repurchases of stock, shares		(276)
Net income	41,066			41,064		2
Foreign currency translation adjustments, net of tax of $0	14,874				14,826	48
Changes in unrealized losses on long-term investments, net of tax benefits of $1	(2)				(2)
Share-based compensation	4,210		4,210
Change in unrealized gains related to pension plans, net of taxes of $9	0
Stock issued upon exercise of options	4,364	5	4,359
Repurchases of stock	(13,165)	(7)	(13,158)
Income tax benefit from options exercised	1,407		1,407
Balance Ending at Sep. 30, 2012	1,148,885	2,006	104,480	1,041,886	(3,023)	3,536
Balance Ending, shares at Sep. 30, 2012		80,234
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]
Stock issued upon exercise of options, shares		401
Repurchases of stock, shares		(1,850)
Net income	32,331			32,271		60
Foreign currency translation adjustments, net of tax of $0	27,586				27,499	87
Changes in unrealized losses on long-term investments, net of tax benefits of $1	0
Change in unrealized gains related to pension plans, net of taxes of $9	29				29
Share-based compensation	4,990			4,990
Stock issued upon exercise of options	10,137	10		10,127
Repurchases of stock	(91,603)	(46)		(91,557)
Income tax benefit from options exercised	1,020			1,020
Balance Ending at Sep. 30, 2013	$ 1,102,760	$ 1,882		$ 1,093,614	$ 3,903	$ 3,361
Balance Ending, shares at Sep. 30, 2013	75,283	75,283