Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 541.2	$ 401.0	$ 1,025.7	$ 761.1
Cost of sales	421.4	290.9	788.0	548.5
Gross profit	119.8	110.1	237.7	212.6
Selling, general and administrative expenses	59.7	55.0	117.2	107.4
Research and development costs	5.9	6.0	11.4	10.7
Gain related to litigation settlement	0.0	(82.9)	0.0	(82.9)
Other (income) expenses, net	1.3	(0.5)	1.6	2.1
Income from operations	52.9	132.5	107.5	175.3
Interest and other financial expense, net	10.5	9.0	18.9	18.9
Reclassification of actuarial losses from AOCI	0.0	1.2	0.0	2.4
Income before earnings in affiliated companies and income taxes	42.4	122.3	88.6	154.0
Income tax expense	12.8	33.5	26.6	41.8
Earnings in affiliated companies, net of tax	0.1	0.3	0.2	0.4
Net income	$ 29.7	$ 89.1	$ 62.2	$ 112.6
Weighted-average shares outstanding (in thousands):
Basic (in shares)	60,807	60,652	60,880	60,649
Weighted average number of diluted ordinary shares (in thousands) (in shares)	61,010	60,743	61,237	60,721
Earnings per share:
Basic (in USD per share)	$ 0.49	$ 1.47	$ 1.02	$ 1.86
Diluted (in USD per share)	$ 0.49	$ 1.47	$ 1.02	$ 1.85