Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustment	$ (65,767)		$ (65,767)		$ (73,217)
Unrealized gain (loss) on hedged transaction, net of tax	362		362		13
Accumulated other comprehensive income (loss)	(65,405)		(65,405)		$ (73,204)
Tax expense (benefit)	$ 75	$ 144	$ 379	$ 92