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Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Sep. 30, 2022
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	$ 193.6		$ 193.3
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)	6.4		$ 6.7
Interest Income, Hedge Basis Adjustment, Portfolio Layer Method, Increase (Decrease)	0.4
Derivative Instruments and Hedges, Noncurrent	900.0
Interest Rate Swap
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	850.0
Interest Rate Swap \| Cash Flow Hedging [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	17.4	$ (9.5)
Interest Rate Collars
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	300.0
Interest Rate Swap and Interest Rate Collar
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	1,150.0
Interest Rate Floor [Member] \| Cash Flow Hedging [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	$ (3.5)	$ (0.5)
three-year forward starting, four-year pay fixed interest rate swap [Member]
Derivative [Line Items]
Derivative Instruments and Hedges, Assets				$ 200.0
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)				$ 8.5