Hedging Activities, Derivative Instruments and Credit Risk - Net Investment Hedges included in Accumulated Other Comprehensive Income (Loss) (Details) - Cross-currency interest rate swap contracts - Net investment - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Gain (loss) recognized in OCI on derivatives	$ (17.5)	$ 0.6	$ 0.0
Gain (loss) reclassified from AOCI into income (effective portion)	$ 19.0	$ 11.5	$ 0.0