Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Net sales	$ 1,233.1	$ 1,106.6	$ 936.9
Cost of goods sold	784.0	701.0	603.8
Gross profit	449.1	405.6	333.1
Selling, general and administrative expenses	237.0	237.4	163.2
Loss (gain) related to change in fair value of contingent consideration	11.0	(4.1)	0.1
(Gain) related to sale of fixed and intangible assets	0.0	0.0	(21.0)
Equity (earnings) from joint venture	(77.6)	(87.7)	(64.0)
Operating income	278.7	260.0	254.8
Interest expense	27.1	22.9	24.1
Other non-operating (income) expense, net	(6.0)	(5.6)	357.4
Earnings (loss) from continuing operations before income taxes	257.6	242.7	(126.7)
Income tax expense (benefit)	57.7	57.4	(42.6)
Earnings (loss) from continuing operations	199.9	185.3	(84.1)
Gain (loss) from disposal of discontinued businesses, net of tax (benefit) expense of ($3.0), $1.7 and ($1.4)	3.0	(2.1)	(15.0)
Net earnings (loss) from discontinued operations	3.0	(2.1)	(15.0)
Net earnings (loss)	202.9	183.2	(99.1)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1.8)	0.0	(7.1)
Derivative gain (loss), net	18.6	9.9	(10.5)
Pension and postretirement adjustments, after-tax amount	(7.3)	(10.2)	284.4
Total other comprehensive income (loss)	9.5	(0.3)	266.8
Total comprehensive income	$ 212.4	$ 182.9	$ 167.7
Earnings (loss) per share of common stock, continuing operations:
Basic	$ 4.31	$ 3.88	$ (1.76)
Diluted	4.30	3.86	(1.76)
Earnings (loss) per share of common stock, discontinued operations
Basic	0.07	(0.04)	(0.31)
Diluted	0.07	(0.04)	(0.31)
Net earnings (loss) per share of common stock
Basic	4.38	3.84	(2.07)
Diluted	$ 4.37	$ 3.82	$ (2.07)
Average number of common shares outstanding:
Basic	46.3	47.6	47.9
Diluted	46.4	47.9	47.9