CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Net sales	$ 698.0	$ 695.4
Cost of goods and services sold	466.1	465.2
Gross profit	231.9	230.2
Research and development	16.3	17.6
Selling, general and administrative expenses	88.0	86.7
Other expense (income) (Note 14)	20.6	3.1
Operating profit	107.0	122.8
Interest expense, net	0.4	1.6
Interest income	(4.1)	(6.2)
Other nonoperating expense (income)	0.2	0.0
Income before income taxes and equity in net income of affiliated companies	110.5	127.4
Income tax expense	24.1	16.4
Equity in net income of affiliated companies	(3.4)	(4.3)
Net income	$ 89.8	$ 115.3
Net income per share:
Basic (in dollars per share)	$ 1.24	$ 1.57
Diluted (in dollars per share)	$ 1.23	$ 1.55
Weighted average shares outstanding:
Basic (in shares)	72.5	73.5
Diluted (in shares)	73.0	74.3