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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 | 6 Months Ended
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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

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