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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
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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

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