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Investment in National CineMedia Inc. - Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Impairment of long-lived and other assets |  | $ 0.0 | $ 9.4 |  | $ 0.0 |  | $ 10.1
Investment In NCMI |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Beginning Balance |  |  |  |  | 18.1 |  |
Screen rental revenue earned under ESA | [1] |  |  |  | 0.0 |  |
Interest accrued related to significant financing component |  |  |  |  | 0.0 |  |
Receipt of common units due to annual common unit adjustment | [2] |  |  |  | 0.0 |  |
Net (loss) gain on investment in NCMI |  | 3.3 | $ 9.2 | $ 0.0 | 1.1 | [3] | $ 9.2
Amortization of screen advertising advances |  |  |  |  | 0.0 |  |
Ending Balance |  | 19.2 |  |  | 19.2 |  |
N C M Screen Advertising Advances |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Beginning Balance |  |  |  |  | (328.4) |  |
Screen rental revenue earned under ESA | [1] |  |  |  | 0.0 |  |
Interest accrued related to significant financing component |  |  |  |  | (11.1) |  |
Receipt of common units due to annual common unit adjustment | [2] |  |  |  | (0.5) |  |
Net (loss) gain on investment in NCMI | [3] |  |  |  | 0.0 |  |
Amortization of screen advertising advances |  |  |  |  | 16.2 |  |
Ending Balance |  | (323.8) |  |  | (323.8) |  |
Other Revenue |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Beginning Balance |  |  |  |  | 0.0 |  |
Screen rental revenue earned under ESA | [1] |  |  |  | (10.4) |  |
Interest accrued related to significant financing component |  |  |  |  | 0.0 |  |
Receipt of common units due to annual common unit adjustment | [2] |  |  |  | 0.0 |  |
Net (loss) gain on investment in NCMI | [3] |  |  |  | 0.0 |  |
Amortization of screen advertising advances |  |  |  |  | (16.2) |  |
Ending Balance |  | (26.6) |  |  | (26.6) |  |
Interest Expense - NCM |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Beginning Balance |  |  |  |  | 0.0 |  |
Screen rental revenue earned under ESA | [1] |  |  |  | 0.0 |  |
Interest accrued related to significant financing component |  |  |  |  | 11.1 |  |
Receipt of common units due to annual common unit adjustment | [2] |  |  |  | 0.0 |  |
Net (loss) gain on investment in NCMI | [3] |  |  |  | 0.0 |  |
Amortization of screen advertising advances |  |  |  |  | 0.0 |  |
Ending Balance |  | 11.1 |  |  | 11.1 |  |
Cash Received |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Beginning Balance | [4] |  |  |  | 0.0 |  |
Screen rental revenue earned under ESA | [1],[4] |  |  |  | 8.2 |  |
Interest accrued related to significant financing component | [4] |  |  |  | 0.0 |  |
Receipt of common units due to annual common unit adjustment | [2],[4] |  |  |  | 0.0 |  |
Net (loss) gain on investment in NCMI | [3],[4] |  |  |  | 0.0 |  |
Amortization of screen advertising advances | [4] |  |  |  | 0.0 |  |
Ending Balance | [4] | $ 8.2 |  |  | $ 8.2 |  |
[1] | Amounts include the per patron and per digital screen theatre access fees, net of amounts due to NCM for on-screen advertising time provided to the Company's beverage concessionaire of approximately $3.7.
[2] | See Common Unit Adjustments below.
[3] | See Investment in National CineMedia below.
[4] | The Company had a receivable from NCM of $2.2 as of June 30, 2024

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