Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 688.9	$ 732.6
Cost of goods sold	453.3	479.3
Gross profit	235.6	253.3
Selling, general and administrative	147.3	141.8
Research and development	20.7	18.8
Operating income	67.6	92.7
Other (income) expense:
Loss on sale of business	(3.5)	5.3
Net interest expense	7.3	13.5
Other Income	0.6
Other expense		0.4
Income from continuing operations before income taxes	63.2	73.5
Provision for income taxes	10.8	15.1
Net income from continuing operations	52.4	58.4
(Loss) income from discontinued operations, net of tax	(1.1)	44.5
Net income	51.3	102.9
Comprehensive income, net of tax
Net income	51.3	102.9
Changes in cumulative translation adjustment	(1.6)	2.4
Changes in market value of derivative financial instruments, net of tax	4.3	(3.8)
Comprehensive income	$ 54.0	$ 101.5
Earnings (loss) Per Share, Basic
Continuing operations (in dollars per share)	$ 0.31	$ 0.33
Discontinued operations (in dollars per share)	(0.01)	0.24
Basic earnings (loss) per ordinary share (in dollars per share)	0.30	0.57
Earnings (loss) Per Share, Diluted
Continuing operations (in dollars per share)	0.30	0.32
Discontinued operations (in dollars per share)	0.00	0.25
Diluted earnings (loss) per ordinary share (in dollars per share)	$ 0.30	$ 0.57
Weighted average ordinary shares outstanding
Basic (shares)	171.6	179.2
Diluted (shares)	172.5	181.5