Investments in Unconsolidated Affiliates (Summary of Investment in Joint Venture, Income Statement Data) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Net sales	$ 1,445.7	$ 1,295.2	$ 1,233.1
Gross profit	581.6	497.0	449.1
Net earnings	264.9	223.8	202.9
Partnership Interst [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	492.7	449.0	458.2
Gross profit	296.9	263.2	231.1
Net earnings	$ 211.1	$ 187.2	$ 163.7