Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Net sales	$ 1,269.7	$ 1,183.5
Cost of goods sold	807.7	761.2
Gross profit	462.0	422.3
Selling, general and administrative	279.6	251.7
Research and development	30.1	30.0
Operating income	152.3	140.6
Other (income) expense:
Loss on sale of business	5.3	0.0
Net interest expense	13.8	35.0
Other expense	1.4	2.0
Income from continuing operations before income taxes	131.8	103.6
Provision for income taxes	27.6	22.9
Net income from continuing operations	104.2	80.7
(Loss) income from discontinued operations, net of tax	(1.3)	7.1
Net income	102.9	87.8
Comprehensive income, net of tax
Net income	102.9	87.8
Changes in cumulative translation adjustment	2.4	75.7
Changes in market value of derivative financial instruments, net of tax	(3.8)	1.6
Comprehensive income	$ 101.5	$ 165.1
Earnings (loss) Per Share, Basic
Continuing operations (in dollars per share)	$ 0.58	$ 0.44
Discontinued operations (in dollars per share)	(0.01)	0.04
Basic earnings (loss) per ordinary share (in dollars per share)	0.57	0.48
Earnings (loss) Per Share, Diluted
Continuing operations (in dollars per share)	0.58	0.44
Discontinued operations (in dollars per share)	(0.01)	0.04
Diluted earnings (loss) per ordinary share (in dollars per share)	$ 0.57	$ 0.48
Weighted average ordinary shares outstanding
Basic (shares)	179.2	182.0
Diluted (shares)	181.5	184.0
Cash dividends paid per ordinary share	$ 0.35	$ 0.345