Condensed Consolidated Statements of Earnings and Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 282.6	$ 251.9
Cost of goods sold	180.4	164.4
Gross profit	102.2	87.5
Selling, general and administrative expenses	57.1	54.2
Loss from change in fair value of contingent consideration	0.1	0.2
Equity (earnings) from joint venture	(18.2)	(21.0)
Operating income	63.2	54.1
Interest expense	5.1	5.7
Other non-operating (income), net	(1.3)	(1.3)
Earnings from continuing operations before income taxes	59.4	49.7
Income tax expense	15.0	12.2
Earnings from continuing operations	44.4	37.5
Loss from disposal of discontinued businesses, net of tax expense of $- and $1.7	0.0	(2.1)
Net loss from discontinued operations	0.0	(2.1)
Net earnings	44.4	35.4
Other comprehensive income, net of tax:
Foreign currency translation adjustments	0.7	0.6
Derivative gain, net	10.6	3.8
Pension and postretirement adjustments	(0.6)	0.2
Total other comprehensive income	11.9	4.6
Total comprehensive income	$ 56.3	$ 40.0
Earnings per share of common stock, continuing operations:
Basic	$ 0.94	$ 0.78
Diluted	0.94	0.78
Loss per share of common stock, discontinued operations:
Basic	0	(0.04)
Diluted	0	(0.04)
Net earnings per share of common stock:
Basic	0.94	0.74
Diluted	$ 0.94	$ 0.74
Average number of common shares outstanding:
Basic	47.1	47.8
Diluted	47.2	48.0