Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 33,153	$ 69,246	$ 63,619
Unrealized gain on hedged transaction, net of tax	1,089	13	0
Foreign currency translation adjustment	(12,062)	(530)	(8,185)
Comprehensive income	$ 22,180	$ 68,729	$ 55,434