Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income
Net sales	$ 991.0	$ 973.1	$ 2,781.9	$ 2,667.0
Cost of goods sold	667.4	677.6	1,891.7	1,913.1
Selling and administrative expenses	135.6	121.7	391.2	345.4
Research and development expenses	12.3	11.3	35.6	31.0
Impairment charges	141.5		141.5
Other (income) expens, net	(2.2)	0.7	(4.0)	1.3
Earnings before interest and income taxes	36.4	161.8	325.9	376.2
Interest expense, net	7.5	8.7	24.1	25.6
Earnings before income taxes from continuing operations	28.9	153.1	301.8	350.6
Income tax expense	38.4	49.5	127.5	112.7
(Loss) income from continuing operations	(9.5)	103.6	174.3	237.9
Discontinued operations:
Loss before income taxes	(0.6)		(0.7)
Income tax benefit	(0.3)		(0.3)
Loss from discontinued operations	(0.3)		(0.4)
Net (loss) income	$ (9.8)	$ 103.6	$ 173.9	$ 237.9
Basic earnings per share attributable to common shares:
(Loss) income from continuing operations	$ (0.15)	$ 1.59	$ 2.69	$ 3.64
Basic (loss) earnings per share	(0.15)	1.59	2.69	3.64
Diluted earnings per share attributable to common shares:
(Loss) income from continuing operations	(0.15)	1.56	2.66	3.58
Diluted (loss) earnings per share	$ (0.15)	$ 1.56	$ 2.66	$ 3.58
Average shares outstanding (in thousands):
Basic (in shares)	64,353	64,970	64,206	64,952
Diluted (in shares)	64,353	65,987	64,879	66,052
Dividends declared and paid	$ 22.8	$ 19.6	$ 61.8	$ 52.7
Dividends declared and paid per share (in dollars per share)	$ 0.35	$ 0.30	$ 0.95	$ 0.80
Comprehensive Income
Net (loss) income	$ (9.8)	$ 103.6	$ 173.9	$ 237.9
Other comprehensive (loss) income:
Change in foreign currency translation	(0.5)	(9.2)	(5.3)	(17.7)
Change in accrued post-retirement benefit liability, net of tax	0.3	0.8	1.1	2.4
Other, net of tax	(0.1)	(0.1)	(0.4)	(0.3)
Other comprehensive loss	(0.3)	(8.5)	(4.6)	(15.6)
Comprehensive (loss) income	$ (10.1)	$ 95.1	$ 169.3	$ 222.3