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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
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Mar. 31, 2025 | Mar. 31, 2024
Investment In NCMI |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Beginning Balance |  | $ 29.0 |  |
Screen rental revenue earned under ESA | [1] | 0.0 |  |
Interest accrued related to significant financing component |  | 0.0 |  |
Net gain (loss) on investment in NCMI |  | (3.5) | [2] | $ 4.4
Amortization of screen advertising advances |  | 0.0 |  |
Ending Balance |  | 25.5 |  |
N C M Screen Advertising Advances |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Beginning Balance |  | (318.5) |  |
Screen rental revenue earned under ESA | [1] | 0.0 |  |
Interest accrued related to significant financing component |  | (5.4) |  |
Net gain (loss) on investment in NCMI | [2] | 0.0 |  |
Amortization of screen advertising advances |  | 8.2 |  |
Ending Balance |  | (315.7) |  |
Other Revenue |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Screen rental revenue earned under ESA | [1] | (4.8) |  |
Interest accrued related to significant financing component |  | 0.0 |  |
Net gain (loss) on investment in NCMI | [2] | 0.0 |  |
Amortization of screen advertising advances |  | (8.2) |  |
Ending Balance |  | (13.0) |  |
Interest Expense - NCM |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Screen rental revenue earned under ESA | [1] | 0.0 |  |
Interest accrued related to significant financing component |  | 5.4 |  |
Net gain (loss) on investment in NCMI | [2] | 0.0 |  |
Amortization of screen advertising advances |  | 0.0 |  |
Ending Balance |  | 5.4 |  |
Cash Received |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Screen rental revenue earned under ESA | [1],[3] | 3.3 |  |
Interest accrued related to significant financing component | [3] | 0.0 |  |
Net gain (loss) on investment in NCMI | [2],[3] | 0.0 |  |
Amortization of screen advertising advances | [3] | 0.0 |  |
Ending Balance | [3] | $ 3.3 |  |
[1] | Amounts include the per patron and per digital screen theater access fees, net of amounts due to NCM for on-screen advertising time provided to the Company's beverage concessionaire of approximately $1.6.
[2] | See Investment in National CineMedia below.
[3] | The Company had a receivable from NCM of $1.5 as of March 31, 2025

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