Segment Information - Financial Information, Including Significant Expenses, by Reportable Segment (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) segment	Sep. 30, 2024 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			2
Segment Information
Revenue	$ 1,346.9	$ 1,333.6	$ 3,892.2	$ 3,880.7
Selling and administrative expenses	177.9	191.8	568.8	547.9
Research and development expenses	12.4	8.1	34.2	26.6
Other operating expense (income), net	1.0	(1.9)	(3.5)	(11.4)
Operating income	293.9	316.4	812.5	919.1
Interest expense	21.3	18.6	50.8	56.0
Interest income	(6.8)	(22.6)	(14.6)	(44.3)
Other non-operating expense (income), net	1.6	(1.1)	(0.1)	(1.5)
Income from continuing operations before income taxes	277.8	321.5	776.4	908.9
Operating Segments
Segment Information
Revenue	1,346.9	1,333.6	3,892.2	3,880.7
Cost of goods sold	862.2	817.9	2,479.0	2,395.6
Selling and administrative expenses	159.8	156.8	488.2	452.8
Research and development expenses	12.4	8.1	34.2	26.6
Other operating expense (income), net	2.6	1.0	3.6	(3.5)
Operating income	309.9	349.8	887.2	1,009.2
Corporate
Segment Information
Operating income	16.0	33.4	74.7	90.1
CCM
Segment Information
Revenue	1,000.8	998.2	2,894.9	2,870.7
CCM | Operating Segments
Segment Information
Revenue	1,000.8	998.2	2,894.9	2,870.7
Cost of goods sold	615.5	592.5	1,781.5	1,724.1
Selling and administrative expenses	97.0	97.4	292.0	272.4
Research and development expenses	8.4	5.1	23.6	18.3
Other operating expense (income), net	(0.4)	0.2	(1.1)	(5.1)
Operating income	280.3	303.0	798.9	861.0
CWT
Segment Information
Revenue	346.1	335.4	997.3	1,010.0
CWT | Operating Segments
Segment Information
Revenue	346.1	335.4	997.3	1,010.0
Cost of goods sold	246.7	225.4	697.5	671.5
Selling and administrative expenses	62.8	59.4	196.2	180.4
Research and development expenses	4.0	3.0	10.6	8.3
Other operating expense (income), net	3.0	0.8	4.7	1.6
Operating income	$ 29.6	$ 46.8	$ 88.3	$ 148.2