Business Combinations (Summary of Unaudited Pro Forma Financial Information) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Mar. 31, 2018 USD ($) $ / shares shares
Business Acquisition Pro Forma Information [Abstract]
Net revenues | $	$ 799,044
Net income (loss) | $	$ (21,235)
Net income (loss) per share - basic | $ / shares	$ (0.19)
Net income (loss) per share - diluted | $ / shares	$ (0.19)
Shares used in per share calculation - basic | shares	113,641
Shares used in per share calculation - diluted | shares	113,641