Quarterly Financial Data (unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Quarterly Financial Data (unaudited)
Net revenue	$ 94,973	$ 105,284	$ 108,912	$ 89,631	$ 101,750	$ 97,515	$ 98,155	$ 82,381	$ 398,800	$ 379,801	$ 369,419
Gross profit	37,300	44,944	42,571	33,898	40,452	38,660	38,489	27,801	158,713	145,402	142,800
Net income (loss)	$ (7,207)	$ 756	$ (6,027)	$ (13,026)	$ (5,600)	$ (2,967)	$ (9,992)	$ (21,650)	$ (25,504)	$ (40,209)	$ (35,448)
Net income (loss) per share-basic (in dollars per share)	$ (0.09)	$ 0.01	$ (0.08)	$ (0.16)
Net income (loss) per share-diluted (in dollars per share)	$ (0.09)	$ 0.01	$ (0.08)	$ (0.16)
Net loss per share-basic and diluted (in dollars per share)					$ (0.07)	$ (0.04)	$ (0.13)	$ (0.28)	$ (0.32)	$ (0.51)	$ (0.47)
Shares used in basic per share calculation (in shares)	81,081	80,860	80,346	79,760
Shares used in diluted per share calculation (in shares)	81,081	82,071	80,346	79,760
Shares used in basic and diluted per share calculation (in shares)					79,170	78,746	77,924	77,290	80,509	78,277	75,804