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Related Parties (Details) - USD ($) $ in Millions	3 Months Ended
Related Parties (Details) - USD ($) $ in Millions	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Selling, general and administrative expenses	$ 94.3	$ 88.8
Net outstanding payables	84.1		$ 106.5
Net outstanding receivables	182.8		214.9
Related Party
Related Party Transaction [Line Items]
Interest expense	0.0	2.5
Related Party \| Centralized Cost
Related Party Transaction [Line Items]
Selling, general and administrative expenses		13.5
Related Party \| Spinoff Transaction Costs
Related Party Transaction [Line Items]
Selling, general and administrative expenses		$ 1.8
Related Party \| SpinCo \| Transition Services Agreement
Related Party Transaction [Line Items]
Net outstanding payables	0.1
Net outstanding receivables			0.3
Related Party \| SpinCo \| Tax Matters Agreement
Related Party Transaction [Line Items]
Net outstanding receivables	$ 6.6		$ 4.5