v3.26.1
Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance $ 380.4 $ (2,451.9)
Ending balance 319.7 (2,437.5)
Accumulated Other Comprehensive Income (Loss)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Beginning balance (1.9) (0.6)
Ending balance 4.3 (0.5)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Interest rate cap:    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Change in fair value of interest rate cap/ swaps, net of tax 0.0 (0.1)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Interest rate swaps | Designated portion of cash flow hedges, measured at fair value:    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Change in fair value of interest rate cap/ swaps, net of tax 7.9 0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax (1.6) 0.2
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Interest rate swaps | De-designated interest rate swaps:    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Amounts reclassified from accumulated other comprehensive income (loss), net of tax $ (0.1) $ 0.0