Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net loss:	$ (5,604)	$ (10,784)	$ (20,694)	$ (29,544)
Other comprehensive gain (loss), net of tax:
Net change in foreign currency translation adjustments	749	299	(225)	(986)
Other comprehensive gain (loss), net of tax:	749	299	(225)	(986)
Total comprehensive loss	$ (4,855)	$ (10,485)	$ (20,919)	$ (30,530)