Condensed Consolidated Statements of Earnings and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income
Revenues	$ 1,236.1	$ 983.9	$ 2,220.8	$ 1,757.9
Cost of goods sold	903.9	697.4	1,639.2	1,245.3
Selling and administrative expenses	159.9	127.0	308.5	251.9
Research and development expenses	14.2	13.1	28.1	25.1
Other operating (income) expense, net	(1.6)	0.1	(9.4)	(0.2)
Operating income	159.7	146.3	254.4	235.8
Interest expense, net	14.2	7.0	28.7	13.6
Other non-operating (income) expense, net	(0.7)	(0.4)	1.2	(1.8)
Income from continuing operations before income taxes	146.2	139.7	224.5	224.0
Provision for income taxes	31.5	45.0	51.9	71.4
Income from continuing operations	114.7	94.7	172.6	152.6
Discontinued operations:
(Loss) income before income taxes	(1.3)	12.1	297.7	18.3
(Benefit) provision for income taxes	(0.3)	4.5	47.0	6.8
(Loss) income from discontinued operations	(1.0)	7.6	250.7	11.5
Net income	$ 113.7	$ 102.3	$ 423.3	$ 164.1
Basic earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	$ 1.88	$ 1.47	$ 2.80	$ 2.35
(Loss) income from discontinued operations (in dollars per share)	(0.02)	0.12	4.07	0.18
Basic earnings per share (in dollars per share)	1.86	1.59	6.87	2.53
Diluted earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	1.87	1.46	2.78	2.34
(Loss) income from discontinued operations (in dollars per share)	(0.02)	0.12	4.04	0.18
Diluted earnings per share (in dollars per share)	$ 1.85	$ 1.58	$ 6.82	$ 2.52
Average shares outstanding (in thousands):
Basic (in shares)	60,641	63,746	61,159	64,048
Diluted (in shares)	61,059	64,140	61,593	64,473
Dividends declared and paid per share (in dollars per share)	$ 0.37	$ 0.35	$ 0.74	$ 0.70
Comprehensive Income
Net income	$ 113.7	$ 102.3	$ 423.3	$ 164.1
Other comprehensive income (loss)
Foreign currency translation	(35.4)	19.8	(13.2)	31.2
Accrued post-retirement benefit liability, net of tax	1.1	0.4	2.0	0.8
Other, net of tax	0.3	(0.6)	0.5	(0.7)
Other comprehensive income (loss)	(34.0)	19.6	(10.7)	31.3
Comprehensive income	$ 79.7	$ 121.9	$ 412.6	$ 195.4