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Foreign Currency Translation - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items] |  |  |
Cumulative foreign currency losses | $ 409.1 |  | $ 425.1
Cumulative inflation rate | 100.00% |  |
Cumulative inflation period | 3 years |  |
AR |  |  |
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items] |  |  |
Foreign currency and other related gain (loss) | $ 1.0 | $ 1.1 |
CNK [Member] |  |  |
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items] |  |  |
Accumulated other comprehensive income (loss) | 403.0 |  | 416.7
Foreign currency and other related gain (loss) | 0.5 | 1.4 |
CUSA [Member] |  |  |
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items] |  |  |
Accumulated other comprehensive income (loss) | 405.8 |  | $ 419.5
Foreign currency and other related gain (loss) | $ 0.5 | $ 1.4 |

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