Derivative Financial Instruments and Hedging Activities - Schedule of Effect of Derivatives As Hedges, Net of Applicable Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Accumulated Other Comprehensive (Gain) Loss	$ (1,754.9)
Amount of Loss (Gain) Recognized in Other Comprehensive Loss on Derivatives	4.0	$ (22.1)
Ending Accumulated Other Comprehensive (Gain) Loss	(1,776.4)
Unrealized Hedging (Losses) Gains
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amount of net related income tax expense (benefit)	0.9	0.0
Unrealized Hedging (Losses) Gains | Accumulated Other Comprehensive (Gain) Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Deferred income tax expense (benefit)	(2.5)	(2.5)
Unrealized Hedging (Losses) Gains | (Gain) Loss Recognized In Other Comprehensive Loss On Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Deferred income tax expense (benefit)	(1.2)	4.3
Cash Flow Hedging | Unrealized Hedging (Losses) Gains | Interest Rate Contract
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Accumulated Other Comprehensive (Gain) Loss	(25.2)	(37.0)
Amount of Loss (Gain) Recognized in Other Comprehensive Loss on Derivatives	4.0	(22.1)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Statement of Operations	5.4	11.4
Ending Accumulated Other Comprehensive (Gain) Loss	$ (15.8)	$ (47.7)