CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ 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	$ 2,741.4	$ 2,509.9	$ 8,132.1	$ 7,191.1
Cost of sales	2,235.4	2,041.8	6,610.0	5,964.7
Gross income	506.0	468.1	1,522.1	1,226.4
Operating expenses:
Selling, general and administrative	226.4	201.6	643.2	586.1
Amortization of purchased intangibles	13.4	10.0	40.5	18.1
Intangible asset impairments	0.0	0.0	51.6	0.0
Total operating expenses	239.8	211.6	735.3	604.2
Operating income	266.2	256.5	786.8	622.2
Other income (expense):
Interest expense	(33.6)	(19.6)	(88.0)	(46.3)
Interest income	1.9	1.9	5.2	13.3
Miscellaneous, net	3.6	2.6	0.1	13.2
Income before income taxes and losses of unconsolidated affiliates	238.1	241.4	704.1	602.4
Provision for income taxes	56.6	55.3	164.8	145.8
Income before losses of unconsolidated affiliates	181.5	186.1	539.3	456.6
Losses of unconsolidated affiliates	(1.2)	(2.4)	(11.0)	(9.4)
Net income	$ 180.3	$ 183.7	$ 528.3	$ 447.2
Earnings per share:
Basic	$ 2.76	$ 2.81	$ 8.06	$ 6.84
Diluted	2.75	2.79	8.02	6.80
Cash dividends declared per share on Common Stock	$ 0.46	$ 0.41	$ 1.38	$ 1.23