Business Combinations (Summary of Unaudited Pro Forma Financial Information) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition Pro Forma Information [Abstract]
Net revenues	$ 268,367	$ 288,873	$ 536,045	$ 568,107
Net loss	$ (5,031)	$ (20,694)	$ (28,847)	$ (59,779)
Net loss per share - basic and diluted	$ (0.04)	$ (0.18)	$ (0.24)	$ (0.51)
Shares used in per share calculation - basic and diluted	119,555	117,544	119,891	117,456