Goodwill and Other Intangible Assets - Changes in Goodwill (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill and Other Intangible Assets
Goodwill	$ 173,000,000	$ 173,000,000	$ 173,000,000
Additions	0	0
Impairment	0	0
Specialty Products and Solutions
Goodwill and Other Intangible Assets
Goodwill	49,300,000	49,300,000	49,300,000
Additions	0	0
Impairment	0	0
Performance Brands
Goodwill and Other Intangible Assets
Goodwill	123,700,000	123,700,000	$ 123,700,000
Additions	0	0
Impairment	$ 0	$ 0