Segment and Related Information, Sales By Product Category (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Segment and Related Information [Abstract]
Net sales	$ 534.5	$ 546.1
Household & Personal Care [Member]
Segment and Related Information [Abstract]
Net sales	138.4	129.2
Specialty Additives [Member]
Segment and Related Information [Abstract]
Net sales	158.5	168.1
High-Temperature Technologies [Member]
Segment and Related Information [Abstract]
Net sales	177.3	178.6
Environmental & Infrastructure [Member]
Segment and Related Information [Abstract]
Net sales	$ 60.3	$ 70.2