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Foreign Currency Translation - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]          
Cumulative foreign currency losses $ (390.2)   $ (390.2)   $ (389.8)
Cumulative inflation rate 100.00%   100.00%    
Cumulative inflation period     3 years    
Blue Chip Swap [Member]          
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]          
Foreign currency and other related gain (loss)     $ 10.1    
AR          
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]          
Foreign currency and other related gain (loss)     15.2 $ 5.1  
CNK [Member]          
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]          
Accumulated other comprehensive income (loss) $ 360.7   360.7   353.2
Foreign currency and other related gain (loss) (11.0) $ (5.4) (19.4) 5.3  
CUSA [Member]          
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]          
Accumulated other comprehensive income (loss) 363.8   363.8   $ 356.3
Foreign currency and other related gain (loss) $ (11.0) $ (5.4) $ (19.4) $ 5.3