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, 2022	Mar. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Accumulated Other Comprehensive Loss (Gain)	$ (1,447.8)
Amount of Loss (Gain) Recognized in Other Comprehensive Loss on Derivatives	(60.7)	$ (28.5)
Ending Accumulated Other Comprehensive Loss (Gain)	(1,537.7)
Unrealized Hedging (Losses) Gains
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amount of net related income tax expense	0.0	1.1
Cash Flow Hedging | Unrealized Hedging (Losses) Gains | Interest rate hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Accumulated Other Comprehensive Loss (Gain)	84.2	158.9
Amount of Loss (Gain) Recognized in Other Comprehensive Loss on Derivatives	(60.7)	(28.5)
Amount of (Loss) Gain Reclassified from Accumulated Other Comprehensive Loss into Statement of Operations	(9.5)	(9.0)
Ending Accumulated Other Comprehensive Loss (Gain)	$ 14.0	$ 121.4