Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues	$ 1,450.6	$ 1,307.0	$ 2,547.1	$ 2,199.6
Cost of goods sold	881.7	829.8	1,579.3	1,451.2
Selling and administrative expenses	189.3	163.7	356.1	305.9
Research and development expenses	9.3	6.7	18.5	13.5
Other operating income, net	(7.2)	(1.8)	(9.5)	(0.3)
Operating income	377.5	308.6	602.7	429.3
Interest expense, net	18.8	18.8	37.4	37.6
Interest income	(13.8)	(4.4)	(21.7)	(8.9)
Other non-operating income, net	(0.1)	(0.8)	(0.4)	(1.8)
Income from continuing operations before income taxes	372.6	295.0	587.4	402.4
Provision for income taxes	87.4	68.3	131.3	92.1
Income from continuing operations	285.2	226.7	456.1	310.3
Discontinued operations:
Income (loss) before income taxes	480.2	(44.2)	502.1	(23.0)
Provision for (benefit from) income taxes	53.0	(12.1)	53.5	(9.0)
Income (loss) from discontinued operations	427.2	(32.1)	448.6	(14.0)
Net income	$ 712.4	$ 194.6	$ 904.7	$ 296.3
Basic earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	$ 6.02	$ 4.46	$ 9.58	$ 6.08
Income (loss) from discontinued operations (in dollars per share)	9.01	(0.63)	9.42	(0.27)
Basic earnings per share (in dollars per share)	15.03	3.83	19.00	5.81
Diluted earnings per share attributable to common shares:
Income from continuing operations (in dollars per share)	5.94	4.42	9.45	6.02
Income (loss) from discontinued operations (in dollars per share)	8.90	(0.63)	9.30	(0.27)
Diluted earnings per share (in dollars per share)	$ 14.84	$ 3.79	$ 18.75	$ 5.75
Average shares outstanding:
Basic (in shares)	47.3	50.7	47.5	50.9
Diluted (in shares)	47.9	51.2	48.2	51.4
Comprehensive income:
Net income	$ 712.4	$ 194.6	$ 904.7	$ 296.3
Other comprehensive income (loss):
Foreign currency gains (losses)	5.0	1.1	(4.7)	14.1
Amortization of unrecognized net periodic benefit costs, net of tax	0.4	0.3	0.9	0.6
Other, net of tax	0.9	(2.3)	1.9	(0.4)
Other comprehensive income (loss)	6.3	(0.9)	(1.9)	14.3
Comprehensive income	$ 718.7	$ 193.7	$ 902.8	$ 310.6