Consolidated Statements of Earnings and Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements of Earnings and Comprehensive Income
Net sales	$ 3,675.4	$ 3,543.2	$ 3,204.0
Cost of goods sold	2,518.1	2,536.5	2,384.5
Selling and administrative expenses	532.0	461.9	379.0
Research and development expenses	48.1	42.8	33.8
Impairment charges	141.5
Other (income) expense, net	(5.4)	0.1	(1.6)
Earnings before interest and income taxes	441.1	501.9	408.3
Interest expense, net	30.6	34.0	32.2
Earnings before income taxes from continuing operations	410.5	467.9	376.1
Income tax expense	159.7	148.3	124.4
Income from continuing operations	250.8	319.6	251.7
Discontinued operations
(Loss) income before income taxes	(1.1)	0.1	(2.1)
Income tax benefit	(0.4)		(1.7)
(Loss) income from discontinued operations	(0.7)	0.1	(0.4)
Net income	$ 250.1	$ 319.7	$ 251.3
Basic earnings (loss) per share attributable to common shares:
Income from continuing operations	$ 3.87	$ 4.89	$ 3.89
Loss from discontinued operations	(0.01)
Basic earnings per share	3.86	4.89	3.89
Diluted earnings (loss) per share attributable to common shares:
Income from continuing operations	3.83	4.82	3.83
Loss from discontinued operations	(0.01)		(0.01)
Diluted earnings per share	$ 3.82	$ 4.82	$ 3.82
Comprehensive Income
Net income	$ 250.1	$ 319.7	$ 251.3
Other comprehensive income (loss) (Note )
Change in foreign currency translation	(36.7)	(29.6)	(26.1)
Change in accrued post-retirement benefit liability, net of tax	1.0	4.6	(3.8)
Other, net of tax	0.6	(0.3)	(0.4)
Other comprehensive income	(35.1)	(25.3)	(30.3)
Comprehensive income	$ 215.0	$ 294.4	$ 221.0