Goodwill and Other Intangibles Resulting from Business Acquisitions (Tables)

3 Months Ended

Mar. 31, 2026

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Net Carrying Amount of Goodwill

Changes in the net carrying amount of goodwill for the three months ended March 31, 2026 by reportable segment are shown below.

(In millions)	Materials Group		Solutions Group		Total
Goodwill as of December 31, 2025	$	886.0	$	1,386.5	$	2,272.5
Acquisition adjustments(1)	.2		—		.2
Translation adjustments	(5.3)		(4.4)		(9.7)
Goodwill as of March 31, 2026	$	880.9	$	1,382.1	$	2,263.0

(1) Measurement period adjustments related to the purchase price allocation for our 2025 acquisition of W.F. Taylor Holdings, Inc.

Schedule of Estimated Amortization Expense for Finite-Lived Intangible Assets

Estimated future amortization expense related to existing finite-lived intangible assets for the remainder of fiscal year 2026 and for each of the next four fiscal years and thereafter is shown below.

(In millions)	Estimated Amortization Expense
2026 (remainder of year)	$	76.2
2027	101.6
2028	93.6
2029	78.4
2030	76.4
Thereafter	200.5