Investments in Unconsolidated Affiliates (Summary of Investment in Joint Venture, Income Statement Data) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Schedule of Equity Method Investments [Line Items]
Net sales	$ 424.6	$ 365.1	$ 807.3	$ 691.4
Gross profit	175.8	149.3	325.7	273.6
Net earnings	87.8	65.9	156.9	125.8
Partnership Interest [Member] \| Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule of Equity Method Investments [Line Items]
Net sales	140.0	126.1	264.1	251.9
Gross profit	86.7	71.1	161.8	147.8
Net earnings	$ 66.4	$ 55.2	$ 121.7	$ 112.2

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

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

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