Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 232.2	$ 212.2
Cost of sales	151.9	139.7
Gross profit	80.3	72.5
Selling, distribution & administrative expenses	67.1	61.4
Operating income from continuing operations	13.2	11.1
Interest and other (income) expense, net	0.0	0.1
Income from continuing operations before income taxes	13.2	11.0
Provision for income taxes	3.2	2.3
Net income from continuing operations	10.0	8.7
Income (loss) from discontinued operations, net of tax	(0.3)	5.9
Net income	$ 9.7	$ 14.6
Net income per common share from continuing operations:
Basic (in dollars per share)	$ 0.27	$ 0.23
Diluted (in dollars per share)	0.26	0.23
Net income (loss) per common share from discontinued operations:
Basic (in dollars per share)	(0.01)	0.16
Diluted (in dollars per share)	(0.01)	0.15
Net income per common share:
Basic (in dollars per share)	0.26	0.39
Diluted (in dollars per share)	$ 0.25	$ 0.38
Weighted average common and common equivalent shares:
Basic (in shares)	37.4	37.2
Diluted (in shares)	37.9	37.9
Dividends declared (in dollars per share)	$ 0.12	$ 0.11