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Commitments and Contingencies - Additional Information (Detail) - Licensing Agreements [Member] - USD ($) $ in Millions | Dec. 31, 2025 | Sep. 30, 2025
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American Society of Composers, Authors, and Publishers [Member] |  |
Loss Contingencies [Line Items] |  |
Loss contingency accrual |  | $ 1.5
Broadcast Music, Inc.Member |  |
Loss Contingencies [Line Items] |  |
Loss contingency accrual | $ 1.4 |

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