Goodwill and Other Intangibles Resulting from Business Acquisitions - Schedule of Changes in Net Carrying Amount of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($)
Changes in the net carrying amount of goodwill
Goodwill as of December 31, 2025	$ 2,272.5
Acquisition adjustments	0.2
Translation adjustments	(9.7)
Goodwill as of March 31, 2026	2,263.0
Materials Group
Changes in the net carrying amount of goodwill
Goodwill as of December 31, 2025	886.0
Acquisition adjustments	0.2
Translation adjustments	(5.3)
Goodwill as of March 31, 2026	880.9
Solutions Group
Changes in the net carrying amount of goodwill
Goodwill as of December 31, 2025	1,386.5
Acquisition adjustments	0.0
Translation adjustments	(4.4)
Goodwill as of March 31, 2026	$ 1,382.1