Condensed Consolidated Statements of Earnings and Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 365.1	$ 325.4	$ 691.4	$ 635.6
Cost of goods sold	215.8	201.4	417.8	399.5
Gross profit	149.3	124.0	273.6	236.1
Selling, general and administrative expenses	79.9	61.9	145.6	124.6
Loss related to change in fair value of contingent consideration	0.7	0.0	0.4	0.0
Equity (earnings) from unconsolidated affiliates, net	(26.3)	(24.9)	(53.5)	(45.7)
Operating income	95.0	87.0	181.1	157.2
Interest expense	11.1	9.2	20.1	17.9
Other non-operating (income), net	(3.2)	(2.2)	(6.3)	(4.6)
Earnings before income taxes	87.1	80.0	167.3	143.9
Income tax expense	21.2	19.8	41.5	36.4
Net earnings	65.9	60.2	125.8	107.5
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(0.4)	0.7	(1.2)	0.6
Derivative gain (loss), net	0.2	(0.2)	0.7	(2.4)
Pension and postretirement adjustments	(0.7)	(0.1)	(1.3)	0.1
Total other comprehensive (loss) income	(0.9)	0.4	(1.8)	(1.7)
Total comprehensive income	$ 65.0	$ 60.6	$ 124.0	$ 105.8
Net earnings per share of common stock:
Basic	$ 1.5	$ 1.34	$ 2.87	$ 2.38
Diluted	$ 1.5	$ 1.34	$ 2.86	$ 2.38
Average number of common shares outstanding:
Basic	43.8	44.9	43.8	45.2
Diluted	44.0	45.0	44.0	45.2