Investments in Unconsolidated Affiliates (Summary of Investment in Joint Venture, Income Statement Data) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Schedule of Equity Method Investments [Line Items]
Net sales	$ 475.8	$ 425.2	$ 1,357.7	$ 1,232.5
Gross profit	190.7	178.5	541.0	504.2
Net earnings	91.9	86.3	255.4	243.2
Partnership Interest [Member] \| Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	148.6	125.9	425.0	390.0
Gross profit	85.1	76.6	252.3	238.4
Net earnings	$ 64.8	$ 57.9	$ 191.3	$ 179.6

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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