Net Loss Per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net loss	$ (11,526)	$ (19,330)
Weighted-average shares used in per share calculation - basic and diluted (in shares)	100,985	97,314
Net (loss) income per share - basic and diluted (in dollars per share)	$ (0.11)	$ (0.20)