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Commitments and Contingencies - Additional Information (Detail) - Licensing Agreements [Member] - USD ($) $ in Millions	Dec. 31, 2025	Sep. 30, 2025
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

X

- Definition

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