CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Net sales	$ 896.9	$ 791.8	$ 753.1
Cost of sales	589.2	518.6	514.9
Gross profit	307.7	273.2	238.2
Selling, distribution and administrative expenses	245.2	227.2	226.3
Special charges, net	0.8	0.3	3.9
Operating income from continuing operations	61.7	45.7	8.0
Foreign currency exchange loss	0.4	0.0	1.2
Interest and other (income) expense, net	(1.6)	0.2	0.3
Income from continuing operations before income taxes	62.9	45.5	6.5
(Benefit) provision for income taxes	13.4	(20.0)	2.6
Net income from continuing operations	49.5	65.5	3.9
Income (loss) from discontinued operations, net of tax	175.2	(25.1)	(36.5)
Net income (loss)	$ 224.7	$ 40.4	$ (32.6)
Net income per common share from continuing operations:
Net income per share from continuing operations-basic (in dollars per share)	$ 1.34	$ 1.77	$ 0.10
Net income per share from continuing operations-diluted (in dollars per share)	1.31	1.74	0.10
Net income (loss) per common share from discontinued operations- basic (in dollars per share)	4.69	(0.68)	(0.98)
Net income (loss) per common share from discontinued operations-diluted (in dollars per share)	4.62	(0.67)	(0.98)
Net income (loss) per common share - basic (in dollars per share)	6.03	1.09	(0.88)
Net income (loss) per common share - diluted (in dollars per share)	$ 5.93	$ 1.07	$ (0.88)
Weighted average common and common equivalent shares:
Basic (in shares)	37.2	37.0	37.2
Diluted (in shares)	37.9	37.6	37.2
Dividends declared (in dollars per share)	$ 7.94	$ 1.85	$ 0.10