Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenues	$ 5,019.9	$ 5,003.6	$ 4,586.9
Cost of goods sold	3,227.3	3,115.9	2,952.7
Selling and administrative expenses	745.4	722.8	625.2
Research and development expenses	47.1	35.4	28.7
Other operating expense (income), net	(2.4)	(13.6)	(2.5)
Operating income	1,002.5	1,143.1	982.8
Interest expense	78.5	73.3	75.6
Interest income	(25.9)	(60.3)	(20.1)
Other non-operating expense (income), net	1.1	19.2	(3.1)
Income from continuing operations before income taxes	948.8	1,110.9	930.4
Provision for income taxes	206.3	245.8	211.5
Income from continuing operations	742.5	865.1	718.9
Income (loss) from discontinued operations	(1.8)	446.7	48.5
Net income	$ 740.7	$ 1,311.8	$ 767.4
Basic earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	$ 17.31	$ 18.58	$ 14.38
Income (loss) from discontinued operations (in dollars per share)	(0.04)	9.59	0.97
Basic earnings per share (in dollars per share)	17.27	28.17	15.35
Diluted earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	17.16	18.34	14.22
Income (loss) from discontinued operations (in dollars per share)	(0.04)	9.48	0.96
Diluted earnings per share (in dollars per share)	$ 17.12	$ 27.82	$ 15.18
Average shares outstanding:
Basic (in shares)	42.8	46.5	49.9
Diluted (in shares)	43.2	47.1	50.4
Comprehensive income:
Net income	$ 740.7	$ 1,311.8	$ 767.4
Other comprehensive income (loss):
Foreign currency gains (losses)	36.9	(22.9)	46.1
Amortization of unrecognized net periodic benefit costs, net of tax	1.9	20.7	(1.3)
Other, net of tax	1.3	3.2	1.9
Other comprehensive income (loss)	40.1	1.0	46.7
Comprehensive income	$ 780.8	$ 1,312.8	$ 814.1