Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
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, 2026
Mar. 31, 2025
Dec. 31, 2025
Debt Instrument [Line Items]          
Senior Secured Note, Discount Amount   $ 35.5      
Interest expense     $ 49.5 $ 54.6  
Outstanding principal amount     2,044.6    
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     1.0 0.8  
Amortization of deferred financing costs     0.6 0.5  
Unamortized debt discount and debt issuance costs     24.3   $ 25.9
Senior secured notes, carrying amount     775.7   774.1
Fair value of notes     898.4   888.1
Interest expense     26.1 $ 25.9  
Senior notes, redemption price percentage with equity offerings 112.25%        
Outstanding principal amount     $ 800.0   $ 800.0
12.250 Senior Secured Notes due 2029 [Member] | 2026 and thereafter [Member]          
Debt Instrument [Line Items]          
Senior notes, redemption price, percentage 100.00%   106.125%    
12.250 Senior Secured Notes due 2029 [Member] | Maximum [Member]          
Debt Instrument [Line Items]          
Percentage of aggregate principal amount of senior notes being redeemed 40.00%