v3.26.3
Foreign Currency Translation - Additional Information (Detail) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]      
Cumulative foreign currency losses $ 397.9   $ 393.2
Cumulative inflation rate 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 exchange and other related loss $ 0.7 $ 0.7  
AR      
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]      
Foreign currency exchange and other related loss 0.9 $ 9.4  
CNK [Member]      
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]      
Accumulated other comprehensive income (loss) 385.6   388.0
CUSA [Member]      
Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items]      
Accumulated other comprehensive income (loss) $ 388.4   $ 390.8