CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 20,799	$ 5,965	$ 59,336	$ 11,860
Available-for-sale securities:
Changes in unrealized losses, net of tax benefit	87		6
Reclassification adjustments for losses included in net income	1		1
Net change	88		7
Cash flow hedges:
Changes in unrealized gains, net of tax expense	668		745
Reclassification adjustments for gains, net of tax expense included in net income	(33)		(35)
Net change	635		710
Foreign currency translation adjustments, net	(13)	$ (102)	(78)	$ (202)
Other comprehensive income (loss)	710	(102)	639	(202)
Comprehensive income	$ 21,509	$ 5,863	$ 59,975	$ 11,658