Investments in Unconsolidated Affiliates (Summary of Investment in Joint Venture, Income Statement Data) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Net sales	$ 1,620.8	$ 1,445.7	$ 1,295.2
Gross profit	658.7	581.6	497.0
Net earnings	308.7	264.9	223.8
Partnership Interst [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	513.5	492.7	449.0
Gross profit	312.9	296.9	263.2
Net earnings	$ 230.0	$ 211.1	$ 187.2