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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
CUSA [Member]      
Unrealized loss due to fair value adjustments on interest rate swap agreements, taxes $ (3.4) $ 3.3 $ 3.5
CNK [Member]      
Unrealized loss due to fair value adjustments on interest rate swap agreements, taxes $ (2.8) $ (0.7) $ 3.5