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		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Net loss	$ (10,784)	$ (23,548)	$ (29,544)	$ (55,983)
Weighted-average shares used in per share calculation - basic and diluted	104,104	99,783	102,486	98,591
Net loss per share - basic and diluted	$ (0.10)	$ (0.24)	$ (0.29)	$ (0.57)