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Derivative Instruments and Hedging Activities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	$ 192.9		$ 192.9		$ 191.9
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)	7.1		7.1		$ 8.1
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	15.0		15.0
Derivative Instruments and Hedges, Noncurrent	600.0		600.0
Interest Income
Derivative [Line Items]
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)	0.0	$ 0.0	0.0	$ 0.0
Interest Rate Swap
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	850.0		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	(25.1)	(5.6)	(31.2)	(5.6)
Interest Rate Collars
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	300.0		300.0
Interest Rate Swap and Interest Rate Collar
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	$ 1,150.0		$ 1,150.0
three-year forward starting, four-year pay fixed interest rate swap [Member]
Derivative [Line Items]
Derivative Instruments and Hedges, Assets		200.0		200.0
Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)		$ 8.5		$ 8.5