Commitments and Contingencies (Liabilities for Estimated Product Warranty Costs) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Total liabilities for estimated warranty
Accrued expenses	$ 44.0	$ 41.3
Other liabilities	100.6	101.4
Total warranty liability	$ 144.6	$ 142.7