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, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net loss	$ (44,352)	$ (6,932)	$ (105,628)	$ (8,798)
Shares used in per share calculation - basic and diluted	119,162	117,944	119,648	117,619
Net loss per share - basic and diluted	$ (0.37)	$ (0.06)	$ (0.88)	$ (0.07)