Goodwill (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill

Schedule of Changes in Carrying Amount of Goodwill

	Operating segment
			Component
	Chemicals		Products		Total
	(In millions)
Balance at December 31, 2022 and 2023	$	352.6	$	27.1	$	379.7
LPC Acquisition		2.6		—		2.6
Balance at December 31, 2024	$	355.2	$	27.1	$	382.3