Derivative Instruments and Fair Value of Derivative Assets and Liabilities (Details 1) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments and Hedging Activities
Gross Amounts of Recognized Assets	$ 50.0	$ 50.3
Gross Amounts Offset in the Consolidated Balance Sheet
Net Amounts Presented in the Consolidated Balance Sheet	50.0	50.3
Derivatives Not Offset in the Consolidated Balance Sheet	(19.9)	(32.0)
Derivatives Assets, Net Amounts	30.1	18.3
Gross Amounts of Recognized Liabilities	(39.1)	(42.3)
Gross Amounts Offset in the Consolidated Balance Sheet
Net Amounts Presented in the Consolidated Balance Sheet	(39.1)	(42.3)
Derivatives Not Offset in the Consolidated Balance Sheet	26.3	32.1
Derivative Liability, Net Amounts	$ (12.8)	$ (10.2)

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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