CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 1,274.3	$ 1,166.1	$ 1,063.1
Cost of sales	838.5	744.9	688.8
Gross profit	435.8	421.2	374.3
Selling, distribution and administrative expenses	339.3	316.0	286.3
Operating income from continuing operations	96.5	105.2	88.0
Foreign currency exchange loss	0.2	0.3	0.3
Interest and other expense	1.1	1.1	0.1
Income from continuing operations before income taxes	95.2	103.8	87.6
Provision for income taxes	24.5	25.7	17.5
Net income from continuing operations	70.7	78.1	70.1
Income from discontinued operations, net of tax	0.0	0.7	33.2
Net income	$ 70.7	$ 78.8	$ 103.3
Net income per common share from continuing operations:
Basic (in dollars per share)	$ 1.85	$ 2.05	$ 1.85
Diluted (in dollars per share)	1.84	2.04	1.84
Net income per common share from discontinued operations:
Basic (in dollars per share)	0.00	0.02	0.88
Diluted (in dollars per share)	0.00	0.02	0.87
Net income per common share:
Basic (in dollars per share)	1.85	2.07	2.73
Diluted (in dollars per share)	$ 1.84	$ 2.06	$ 2.71
Weighted average common and common equivalent shares:
Basic (in shares)	38.1	38.0	37.8
Diluted (in shares)	38.2	38.1	38.0
Dividends declared (in dollars per share)	$ 0.80	$ 0.72	$ 1.64