Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income
Net sales	$ 1,089.1	$ 991.0	$ 3,018.1	$ 2,781.9
Cost of goods sold	777.6	667.4	2,144.9	1,891.7
Selling and administrative expenses	152.2	135.6	433.5	391.2
Research and development expenses	13.5	12.3	40.2	35.6
Impairment charges	0.0	141.5	0.0	141.5
Other expense (income), net	2.9	(2.2)	1.1	(4.0)
Earnings before interest and income taxes	142.9	36.4	398.4	325.9
Interest expense, net	7.7	7.5	21.4	24.1
Earnings before income taxes from continuing operations	135.2	28.9	377.0	301.8
Income tax expense	48.8	38.4	126.8	127.5
Income (loss) from continuing operations	86.4	(9.5)	250.2	174.3
Discontinued operations:
(Loss) income before income taxes	(0.1)	(0.6)	0.3	(0.7)
Income tax (benefit) expense	0.0	(0.3)	0.1	(0.3)
(Loss) income from discontinued operations	(0.1)	(0.3)	0.2	(0.4)
Net income (loss)	$ 86.3	$ (9.8)	$ 250.4	$ 173.9
Basic earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	$ 1.38	$ (0.15)	$ 3.91	$ 2.69
Income from discontinued operations (in dollars per share)	0	0	0	0
Basic earnings per share (in dollars per share)	1.38	(0.15)	3.91	2.69
Diluted earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	1.37	(0.15)	3.89	2.66
Income from discontinued operations (in dollars per share)	0	0	0	0
Diluted earnings per share (in dollars per share)	$ 1.37	$ (0.15)	$ 3.89	$ 2.66
Average shares outstanding (in thousands):
Basic (in shares)	62,432	64,353	63,503	64,206
Diluted (in shares)	62,797	64,353	63,916	64,879
Dividends declared and paid	$ 23.2	$ 22.8	$ 69.0	$ 61.8
Dividends declared and paid per share (in dollars per share)	$ 0.37	$ 0.35	$ 1.07	$ 0.95
Comprehensive Income
Net income	$ 86.3	$ (9.8)	$ 250.4	$ 173.9
Other comprehensive income (loss)
Foreign currency translation	13.4	(0.5)	44.6	(5.3)
Accrued post-retirement benefit liability, net of tax	0.4	0.3	1.2	1.1
Other, net of tax	(0.2)	(0.1)	(0.9)	(0.4)
Other comprehensive income (loss)	13.6	(0.3)	44.9	(4.6)
Comprehensive income (loss)	$ 99.9	$ (10.1)	$ 295.3	$ 169.3