Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income
Revenues	$ 984.7	$ 774.0
Cost of goods sold	735.3	547.9
Selling and administrative expenses	148.6	124.9
Research and development expenses	13.9	12.0
Other operating (income) expense, net	(7.8)	(0.3)
Operating income	94.7	89.5
Interest expense, net	14.5	6.6
Other non-operating (income) expense, net	1.9	(1.4)
Income from continuing operations before income taxes	78.3	84.3
Provision for income taxes	20.4	26.4
Income from continuing operations	57.9	57.9
Discontinued operations:
Income before income taxes	299.0	6.2
Provision for income taxes	47.3	2.3
Income from discontinued operations	251.7	3.9
Net income	$ 309.6	$ 61.8
Basic earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	$ 0.93	$ 0.89
Income from discontinued operations (in dollars per share)	4.05	0.06
Basic earnings per share (in dollars per share)	4.98	0.95
Diluted earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	0.92	0.88
Income from discontinued operations (in dollars per share)	4.02	0.06
Diluted earnings per share (in dollars per share)	$ 4.94	$ 0.94
Average shares outstanding (in thousands):
Basic (in shares)	61,684	64,353
Diluted (in shares)	62,164	64,848
Dividends declared and paid per share (in dollars per share)	$ 0.37	$ 0.35
Comprehensive Income
Net income	$ 309.6	$ 61.8
Other comprehensive income (loss)
Foreign currency translation	22.2	11.4
Accrued post-retirement benefit liability, net of tax	0.9	0.4
Other, net of tax	0.2	(0.1)
Other comprehensive income	23.3	11.7
Comprehensive income	$ 332.9	$ 73.5