Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), foreign currency translation adjustments	$ (96,163)	$ (2,088)	$ (29,138)	$ (27,615)
Accumulated other comprehensive income (loss), unrealized gain (loss) on derivative instruments	295	4,178	(900)	(1,524)
Accumulated other comprehensive income (loss)	(95,868)	2,090	(30,038)	$ (29,139)
Other comprehensive income before reclassifications	(108,347)	33,461	(2,886)
Other comprehensive income (loss), unrealized gain (loss) on derivative instruments	(3,883)	5,078	624
Other comprehensive income (loss)	(97,958)	32,128	(899)
Amounts reclassified from accumulated other comprehensive income to earnings, net of tax	10,389	(1,333)	1,987
Foreign currency translation adjustment	(94,075)	27,050	(1,523)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income before reclassifications	(94,075)	27,050	(1,523)
Amounts reclassified from accumulated other comprehensive income to earnings, net of tax	0	0	0
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income before reclassifications	(14,272)	6,411	(1,363)
Amounts reclassified from accumulated other comprehensive income to earnings, net of tax	$ 10,389	$ (1,333)	$ 1,987