CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 747.4	$ 686.9	$ 2,217.8	$ 2,178.2
Cost of goods and services sold	459.1	418.9	1,366.8	1,304.1
Gross profit	288.3	268.0	851.0	874.1
Research and development	16.4	13.6	50.0	42.6
Selling, general and administrative expenses	89.0	66.3	263.4	231.2
Other expense (income) (Note 15)	5.6	1.9	22.5	(4.0)
Operating profit	177.3	186.2	515.1	604.3
Interest expense	2.9	2.2	7.8	6.2
Interest income	(8.8)	(1.5)	(18.6)	(2.2)
Other nonoperating (income) expense	(3.8)	49.3	(3.9)	49.1
Income before income taxes and equity in net income of affiliated companies	187.0	136.2	529.8	551.2
Income tax expense	29.4	20.4	87.8	85.8
Equity in net income of affiliated companies	(3.7)	(4.8)	(14.4)	(17.5)
Net income	$ 161.3	$ 120.6	$ 456.4	$ 482.9
Net income per share:
Basic (in dollars per share)	$ 2.17	$ 1.62	$ 6.13	$ 6.49
Diluted (in dollars per share)	$ 2.14	$ 1.59	$ 6.05	$ 6.36
Weighted average shares outstanding:
Basic (in shares)	74.3	74.4	74.4	74.4
Diluted (in shares)	75.3	75.7	75.5	75.9