Accumulated Other Comprehensive Loss - Schedule of Changes in Accumulated Other Comprehensive Loss by Component (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ (2,451.9)	$ (2,484.1)	$ (2,271.2)
Ending balance	380.4	(2,451.9)	(2,484.1)
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(0.6)	0.0	0.0
Ending balance	(1.9)	(0.6)	0.0
Accumulated Other Comprehensive Loss | Cash flow hedges:
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(0.6)	0.0	(30.4)
Ending balance	(1.9)	(0.6)	0.0
Accumulated Other Comprehensive Loss | Interest rate swap termination:
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	0.0	0.0	30.4
Ending balance	0.0	0.0	0.0
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	(0.1)	(0.6)	0.0
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Interest rate swap:
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Change in fair value of interest rate cap/ swaps, net of tax	(0.2)	0.0	0.0
Amounts reclassified from accumulated other comprehensive loss, net of tax	(1.0)	0.0	30.4
Accumulated Gain (Loss), Interest Rate Swap Termination, Parent | Interest rate swap:
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Amounts reclassified from accumulated other comprehensive loss, net of tax	$ 0.0	$ 0.0	$ (30.4)