CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales	$ 746.9	$ 747.4	$ 2,144.4	$ 2,217.8
Cost of goods and services sold	482.2	459.1	1,419.5	1,366.8
Gross profit	264.7	288.3	724.9	851.0
Research and development	15.5	16.4	50.6	50.0
Selling, general and administrative expenses	83.5	89.0	253.2	263.4
Other expense (income) (Note 14)	4.4	5.6	10.8	22.5
Operating profit	161.3	177.3	410.3	515.1
Interest expense, net	0.7	2.9	3.8	7.8
Interest income	(4.6)	(8.8)	(14.8)	(18.6)
Other nonoperating expense (income)	0.7	(3.8)	0.7	(3.9)
Income before income taxes and equity in net income of affiliated companies	164.5	187.0	420.6	529.8
Income tax expense	32.4	29.4	70.7	87.8
Equity in net income of affiliated companies	(3.9)	(3.7)	(12.7)	(14.4)
Net income	$ 136.0	$ 161.3	$ 362.6	$ 456.4
Net income per share:
Basic (in dollars per share)	$ 1.87	$ 2.17	$ 4.96	$ 6.13
Diluted (in dollars per share)	$ 1.85	$ 2.14	$ 4.91	$ 6.05
Weighted average shares outstanding:
Basic (in shares)	72.8	74.3	73.1	74.4
Diluted (in shares)	73.4	75.3	73.8	75.5