Goodwill (Tables)

9 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amount of goodwill attributable to each reportable segment are as follows:

Goodwill	Rubber		Specialty		Total
	(In millions)
Balance as of January 1, 2024	$	30.5	$	45.6	$	76.1
Foreign currency impact	(1.9)		(2.7)		(4.6)
Balance as of December 31, 2024	28.6		42.9		71.5
Impairment	(32.3)		(48.5)		(80.8)
Foreign currency impact	3.7		5.6		9.3
Balance as of September 30, 2025 1	$	—	$	—	$	—

1 At September 30, 2025, accumulated goodwill impairment was $80.8 million.