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INVESTMENT IN NATIONAL CINEMEDIA, INC / NATIONAL CINEMEDIA LLC - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 20, 2023 | Feb. 17, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Aug. 03, 2023 | Jan. 01, 2023 | Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of additional common units of NCM received under common unit adjustment agreement |  |  |  | 4.8 |  |  |  |  |  |  |
Value of common units received from NCM |  |  |  | $ 0.0 | [1] | $ 1.3 |  | $ 10.2 |  |  |
Impairment of long-lived and other assets |  |  |  | (16.6) |  | (174.1) |  | (20.8) |  |  |
Noncontrolling interests |  |  |  | 9.0 |  | 9.3 |  |  |  |  |
Investment In Ncm [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of NCM to Redeem Shares |  |  | 42.0 |  |  |  |  |  |  |  |
Common Share Units in Ncm in Exchange |  | 1.7 | 43.7 |  |  |  |  |  |  |  |
Interest in common units of NCM acquired by Company |  |  |  |  |  |  |  |  |  | 25.40% |
Number of common units of NCM owned by Company |  |  |  |  |  |  |  |  |  | 43.7 |
Carrying value |  |  |  |  |  | 9.6 |  | $ 135.4 |  |  | $ 152.0
Impairment of long-lived and other assets |  |  |  | $ (0.7) |  | $ (113.2) | [2] |  |  |  |
Deferred revenue or NCM screen advertising advances extended term |  |  |  | 2041-02 |  |  |  |  |  |  |
Investment in NCMI [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 1.7 | 42.0 |  |  |  |  |  |  |  |
Unrealized Gain (Loss) on Investments | [2] |  |  | $ 12.4 |  |  |  |  |  |  |
Number of Common Shares Held in N C M I |  |  |  |  |  |  |  |  | 4.4 |  |
Interest in common units of NCM acquired by Company |  |  |  | 5.00% |  |  |  |  |  |  |
Carrying value |  |  |  | $ 18.1 |  |  |  |  |  |  |
Impairment of long-lived and other assets | [3] |  |  | 0.7 |  |  |  |  |  |  |
Ncm [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Remaining performance obligations |  |  |  | $ 174.0 |  |  |  |  |  |  |
Deferred revenue amortization year and month |  |  |  | 2041-02 |  |  |  |  |  |  |
Ncm [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage Of Incremental Borrowing Rates |  |  |  | 4.40% |  |  |  |  |  |  |
Ncm [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage Of Incremental Borrowing Rates |  |  |  | 8.30% |  |  |  |  |  |  |
[1] | Additions to theatre properties and equipment included in accounts payable as of December 31, 2022 and 2023 were $12.0 and $6.6 respectively.
[2] | See Investment in National CineMedia below.
[3] | Reflected in impairment of long-lived and other assets on the consolidated income statement for the year indicated. See further discussion at Investment in National CineMedia below

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