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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
AC JV, LLC | Film rentals and advertising |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |
Event fees paid | [1] | $ 4.4 | $ 4.4 | $ 11.5 | $ 7.4
Digital Cinema Distribution Coalition |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |
Content delivery fees paid | [1] | $ 0.2 | $ 0.2 | $ 0.3 | $ 0.3
[1] | Included in film rentals and advertising costs on the condensed consolidated statements of income.

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