Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 318.5	$ 272.6	$ 607.1	$ 523.7
Cost of sales	205.5	174.6	386.3	348.4
Gross profit	113.0	98.0	220.8	175.3
Selling, distribution & administrative expenses	82.5	73.3	160.8	144.0
Operating income from continuing operations	30.5	24.7	60.0	31.3
Interest and other expense, net	0.3	0.1	0.7	0.2
Income from continuing operations before income taxes	30.2	24.6	59.3	31.1
Provision for income taxes	7.6	3.5	14.9	4.5
Net income from continuing operations	22.6	21.1	44.4	26.6
Net income from discontinued operations, net of tax	0.2	0.9	0.4	10.6
Net income	$ 22.8	$ 22.0	$ 44.8	$ 37.2
Net income per common share from continuing operations:
Basic (in dollars per share)	$ 0.59	$ 0.56	$ 1.16	$ 0.70
Diluted (in dollars per share)	0.59	0.55	1.16	0.70
Net income per common share from discontinued operations:
Basic (in dollars per share)	0.01	0.02	0.01	0.28
Diluted (in dollars per share)	0.01	0.02	0.01	0.28
Net income per common share:
Net income per share - Basic (in dollars per share)	0.60	0.58	1.17	0.98
Net income per share - Diluted (in dollars per share)	$ 0.60	$ 0.57	$ 1.17	$ 0.98
Weighted average common and common equivalent shares:
Basic (in shares)	38.0	37.7	37.9	37.7
Diluted (in shares)	38.1	37.9	38.0	37.9
Dividends declared (in dollars per share)	$ 0.18	$ 0.16	$ 0.36	$ 0.32