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Investments in Affiliates - Summary of Transactions with Each of the Company's Other Investees (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
AC JV, LLC | Film rentals and advertising |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |
Event fees paid | [1] | $ 3.3 | $ 2.1 | $ 10.7 | $ 6.6
Digital Cinema Distribution Coalition |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |
Content delivery fees paid | [1] | $ 0.1 | $ 0.1 | $ 0.4 | $ 0.4
[1] | Included in film rentals and advertising costs on the condensed consolidated statements of income (loss).

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