Consolidated Statements of Earnings and Comprehensive Income - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Consolidated Statements of Earnings and Comprehensive Income
Net sales		$ 3,543.2	$ 3,204.0	$ 2,943.0
Cost of goods sold		2,536.5	2,384.5	2,197.4
Selling and administrative expenses		461.9	379.0	353.7
Research and development expenses		42.8	33.8	29.3
Other (income) expense, net		0.1	(1.6)	(4.2)
Earnings before interest and income taxes		501.9	408.3	366.8
Interest expense, net		34.0	32.2	33.8
Earnings before income taxes from continuing operations		467.9	376.1	333.0
Income tax expense (Note 6)		148.3	124.4	97.8
Income from continuing operations		319.6	251.7	235.2
Discontinued operations (Note 4)
Income (loss) before income taxes		0.1	(2.1)	(60.5)
Income tax benefit			(1.7)	(35.0)
Income (loss) from discontinued operations		0.1	(0.4)	(25.5)
Net income		$ 319.7	$ 251.3	$ 209.7
Basic earnings (loss) per share attributable to common shares(1)
Income from continuing operations		$ 4.89	$ 3.89	$ 3.69
Loss from discontinued operations	[1]			(0.40)
Basic earnings per share	[1]	4.89	3.89	3.29
Diluted earnings (loss) per share attributable to common shares(1)
Income from continuing operations		4.82	3.83	3.61
Loss from discontinued operations	[1]		(0.01)	(0.39)
Diluted earnings per share	[1]	$ 4.82	$ 3.82	$ 3.22
Comprehensive Income
Net income		$ 319.7	$ 251.3	$ 209.7
Other comprehensive income (loss) (Note 18)
Change in foreign currency translation		(29.6)	(26.1)	(1.6)
Change in accrued post-retirement benefit liability, net of tax		4.6	(3.8)	5.9
Loss on hedging activities, net of tax		(0.3)	(0.4)	(0.3)
Other comprehensive income (loss)		(25.3)	(30.3)	4.0
Comprehensive income		$ 294.4	$ 221.0	$ 213.7

[1] Earning per share calculated based on the twoclass method. See Note 7 for detailed calculations.