Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 790.3	$ 834.8
Cost of goods sold	588.7	611.6
Gross profit	201.6	223.2
Operating Expenses:
Selling, general and administrative expenses	145.8	155.2
Losses (gains) and other expenses, net	1.1	7.3
Restructuring charges	(0.5)	(0.9)
Loss on sale of business	8.5	0.0
Loss on assets held for sale	0.0	10.3
Insurance proceeds for lost profits	(39.5)	0.0
Gain from insurance recoveries, net of losses incurred	(6.9)	0.0
Income from equity method investments	(2.6)	(3.5)
Operating income	94.7	53.0
Interest expense, net	10.9	8.4
Other expense (income), net	0.8	0.6
Income from continuing operations before income taxes	83.0	44.0
Provision for income taxes	13.6	6.1
Income from continuing operations	69.4	37.9
Discontinued Operations:
Loss from discontinued operations before income taxes	(0.1)	0.0
Income tax benefit	0.0	0.0
Loss from discontinued operations	(0.1)	0.0
Net income	$ 69.3	$ 37.9
Earnings per share – Basic:
Income from continuing operations (in dollars per share)	$ 1.75	$ 0.91
Loss from discontinued operations (in dollars per share)	0	0
Net income (in dollars per share)	1.75	0.91
Earnings per share – Diluted:
Income from continuing operations (in dollars per share)	1.73	0.90
Loss from discontinued operations (in dollars per share)	0	0
Net income (in dollars per share)	$ 1.73	$ 0.90
Average shares outstanding:
Weighted Average Number of Shares Outstanding - Basic	39.7	41.5
Weighted Average Number of Shares Outstanding - Diluted	40.1	42.1