v3.26.1
Financing - Summary of Debt (Detail) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Total principal amount of debt $ 0.0 $ 7,359.5
Less: Original issue discount, net of amortization 0.0 (51.9)
Less: Debt issuance costs, net of amortization 0.0 (47.4)
Less: Current portion 0.0 0.0
Total long-term debt 0.0 7,260.2
7.125% Senior Notes Due July 2028 [Member]    
Debt Instrument [Line Items]    
Senior notes 0.0 641.6
5.00% Senior Notes Due March 2027 [Member]    
Debt Instrument [Line Items]    
Senior notes 0.0 750.0
8.25% Senior Notes Due March 2027 [Member]    
Debt Instrument [Line Items]    
Senior notes 0.0 866.9
9.50% Senior Secured Notes Due December 2031 [Member]    
Debt Instrument [Line Items]    
Senior notes 0.0 1,000.0
4.75% Senior Secured Notes Due September 2029 [Member]    
Debt Instrument [Line Items]    
Senior secured notes 0.0 1,250.0
6.00% Senior Secured Notes Due March 2026 [Member]    
Debt Instrument [Line Items]    
Senior secured notes 0.0 1,500.0
Senior Secured Term Loan Due December 2029 [Member]    
Debt Instrument [Line Items]    
Senior secured notes 0.0 3,150.0
Senior Secured Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Senior secured revolving credit facility $ 0.0 $ 200.0