v3.26.1
Debt - Schedule of Carrying Amounts and Fair Values of Debt (Detail) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Carrying Amount | Senior Secured Credit Facilities    
Financial liabilities:    
Credit facility $ 4,603.7 $ 4,690.7
Carrying Amount | 5.5% Senior Notes due 2027    
Financial liabilities:    
Senior notes 1,999.1 1,998.8
Carrying Amount | 6.5% senior notes due 2032    
Financial liabilities:    
Senior notes 744.4 743.9
Carrying Amount | Senior Secured Credit Facilities Revolving Portion    
Financial liabilities:    
Senior notes 230.0 0.0
Fair Value | Senior Secured Credit Facilities    
Financial liabilities:    
Credit facility 4,628.0 4,755.5
Fair Value | 5.5% Senior Notes due 2027    
Financial liabilities:    
Credit facility 2,001.6 2,004.4
Fair Value | 6.5% senior notes due 2032    
Financial liabilities:    
Credit facility 757.4 781.5
Fair Value | Senior Secured Credit Facilities Revolving Portion    
Financial liabilities:    
Credit facility $ 230.0 $ 0.0