Investments in Affiliates (Equity in Net Earnings of Affiliates) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Equity in net earnings of affiliates	$ 64.1	$ 65.6	$ 45.5
Finance joint ventures
Schedule of Equity Method Investments [Line Items]
Equity in net earnings of affiliates	63.0	64.4	45.0
Manufacturing and other joint ventures
Schedule of Equity Method Investments [Line Items]
Equity in net earnings of affiliates	$ 1.1	$ 1.2	$ 0.5