Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 1,948.8	$ 1,963.7	$ 1,483.4
Cost of goods sold	(1,357.7)	(1,377.0)	(1,048.5)
Gross profit	591.1	586.7	434.9
Operating expenses:
Selling, general and administrative	(387.8)	(360.7)	(267.2)
Research and development	(41.7)	(38.7)	(37.4)
Profit on disposal	0.0	0.0	1.8
Total operating expenses	(429.5)	(399.4)	(302.8)
Operating income	161.6	187.3	132.1
Other income/(expense), net	10.5	(1.6)	3.8
Interest income/(expense), net	2.3	(1.1)	(1.5)
Income before income tax expense	174.4	184.6	134.4
Income tax expense	(35.3)	(51.6)	(41.3)
Net income	$ 139.1	$ 133.0	$ 93.1
Earnings per share:
Basic	$ 5.6	$ 5.37	$ 3.78
Diluted	$ 5.56	$ 5.32	$ 3.75
Weighted average shares outstanding (in thousands):
Basic	24,851	24,787	24,647
Diluted	25,022	24,982	24,854