Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Shares issued under stock option/restricted stock/employee stock purchase plans, shares			788,000	1,470,000	1,143,000
Shares issued under stock option/restricted stock/employee stock purchase plans, value			$ 6,762	$ 15,271	$ 12,120
Purchase of non-controlling interests				5,400	5,256
Stock-based compensation			15,329	11,168	11,131
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options			7,837
Stock Repurchased During Period, Shares			(2,437,000)	(5,306,000)
Stock Repurchased and Retired During Period, Value			(152,415)
Unrealized gain (loss) on derivative instruments, net of taxes			5,078	624	(1,660)
Foreign currency translation adjustment			27,050	(1,523)	(46,334)
Net income	40,072	30,041	129,094	95,972	63,158
Balance, shares	54,661,877	56,310,582	54,661,877	56,310,582
Balance, value	577,681	538,946	577,681	538,946	609,675	566,004
Common Stock [Member]
Shares issued under stock option/restricted stock/employee stock purchase plans, value			8	15	17
Stock Repurchased and Retired During Period, Value			(24)	(53)
Balance, shares	54,662,000	56,311,000	54,662,000	56,311,000	60,147,000	59,004,000
Balance, value	547	563	547	563	601	584
Additional Paid-In Capital [Member]
Shares issued under stock option/restricted stock/employee stock purchase plans, value			6,754	15,256	12,103
Stock Repurchased and Retired During Period, Value			(143,691)	(197,588)
Balance, value	0	113,771	0	113,771	279,535	251,045
Retained Earnings [Member]
Stock Repurchased and Retired During Period, Value			(8,700)
Balance, value	575,044	454,650	575,044	454,650	358,678	295,520
Accumulated Other Comprehensive Income (Loss) [Member]
Balance, value	$ 2,090	$ (30,038)	$ 2,090	$ (30,038)	$ (29,139)	$ 18,855