v3.26.3
Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) - Fair Value Measurements, Recurring - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Interest rate swap assets [1] $ 7.4 $ 0.7
Investment in NCMI [2] 9.8 17.0
Level 1    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Interest rate swap assets [1] 0.0 0.0
Investment in NCMI [2] 9.8 17.0
Level 2    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Interest rate swap assets [1] 7.4 0.7
Investment in NCMI [2] 0.0 0.0
Level 3    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Interest rate swap assets [1] 0.0 0.0
Investment in NCMI [2] $ 0.0 $ 0.0
[1] See further discussion of interest rate swaps at Note 7.
[2] See further discussion of investment in NCMI at Note 8.