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Debt (Debt Issuance Costs) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Unamortized debt discount and issuance costs, beginning | $ 28,690 |  |
Amortization of debt discount and issuance costs | (4,832) | $ (7,083) | $ (2,657)
Debt discount and issuance costs write-off | (4,297) |  |
Unamortized debt discount and issuance costs, ending | 19,561 | 28,690 |
Revolver |  |  |
Unamortized debt discount and issuance costs, beginning | 8,383 |  |
Amortization of debt discount and issuance costs | (2,028) |  |
Unamortized debt discount and issuance costs, ending | 6,355 | 8,383 |
Senior Secured Notes Due 2028 |  |  |
Unamortized debt discount and issuance costs, beginning | 6,725 |  |
Amortization of debt discount and issuance costs | (1,118) |  |
Debt discount and issuance costs write-off | (15) | (6,771) |
Unamortized debt discount and issuance costs, ending | 5,592 | 6,725 |
Term B Loan |  |  |
Unamortized debt discount and issuance costs, beginning | 13,582 |  |
Amortization of debt discount and issuance costs | (1,686) |  |
Debt discount and issuance costs write-off | (4,282) | (12,471) |
Unamortized debt discount and issuance costs, ending | $ 7,614 | $ 13,582 |

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