Business Combinations (Summary of Unaudited Pro Forma Financial Information) (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
Business Acquisition Pro Forma Information [Abstract]
Net revenues	$ 210,255	$ 282,229	$ 746,301	$ 850,337
Net loss	$ (37,873)	$ (23,272)	$ (66,720)	$ (83,051)
Net loss per share - basic and diluted	$ (0.32)	$ (0.20)	$ (0.56)	$ (0.71)
Shares used in per share calculation - basic and diluted	119,162	117,944	119,648	117,619