Derivatives and Hedging Activities - Pre-tax Effect of Derivatives on AOCI and Statement of Operations (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
OCI, Cash Flow Hedge, Reclassification for Discontinuance, Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest expense, net
Amortization of accumulated OCI related	$ 19.6	$ 21.4	$ 14.0
Derivatives not designated as hedging instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
(Gain) loss recognized in income	0.6	(0.4)	(0.1)
Gain reclassified from accumulated OCI into income	0.0	7.5	0.0
(Gain) loss reclassified from accumulated OCI into income (effective portion)	(7.5)
Derivatives in cash flow hedging relationships
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Gain (loss) recognized in OCI (effective portion)	16.0	104.9	4.8
(Gain) loss reclassified from accumulated OCI into income (effective portion)	$ (34.7)	$ 10.3	$ 24.7

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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