Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustment	$ (63,332)		$ (73,217)
Unrealized gain (loss) on fair value of interest rate swap, net of tax	42		13
Accumulated other comprehensive income (loss)	(63,290)		$ (73,204)
Tax expense (benefit)	$ (304)	$ (53)