Quarterly report [Sections 13 or 15(d)]

Long-Term Debt - Senior Secured Notes due 2029 - Additional Information (Detail)

v3.25.1
Long-Term Debt - Senior Secured Notes due 2029 - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Apr. 15, 2026
Apr. 30, 2024
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Debt Instrument [Line Items]          
Senior Secured Note, Discount Amount   $ 35.5      
Interest expense     $ 54.6 $ 41.6  
Outstanding principal amount     2,262.4    
12.250 Senior Secured Notes due 2029 [Member]          
Debt Instrument [Line Items]          
Aggregate principal amount of senior notes issued   $ 800.0      
Debt instrument interest rate   12.25%      
Debt instrument maturity date   Apr. 15, 2029      
Senior Secured Note, Discount Percentage   2.702%      
Senior Secured Note, Discount Amount   $ 21.6      
Deferred financing costs   $ 13.9      
Non-cash interest expense     0.8    
Amortization of deferred financing costs     0.5    
Unamortized debt discount and debt issuance costs     30.4   $ 31.8
Senior secured notes, carrying amount     769.6   768.2
Fair value of notes     881.4   851.3
Interest expense     25.9    
Outstanding principal amount     $ 800.0   $ 800.0
12.250 Senior Secured Notes due 2029 [Member] | Forecast [Member]          
Debt Instrument [Line Items]          
Senior notes, redemption price, percentage 100.00%        
Senior notes, redemption price percentage with equity offerings 112.25%        
12.250 Senior Secured Notes due 2029 [Member] | Forecast [Member] | Maximum [Member]          
Debt Instrument [Line Items]          
Percentage of aggregate principal amount of senior notes being redeemed 40.00%