Segment and Related Information, Sales By Product Category (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2023	Apr. 03, 2022
Segment and Related Information [Abstract]
Net sales	$ 546.1	$ 519.1
Household & Personal Care [Member]
Segment and Related Information [Abstract]
Net sales	129.2	120.4
Specialty Additives [Member]
Segment and Related Information [Abstract]
Net sales	168.1	163.1
High-Temperature Technologies [Member]
Segment and Related Information [Abstract]
Net sales	178.6	169.9
Environmental & Infrastructure [Member]
Segment and Related Information [Abstract]
Net sales	$ 70.2	$ 65.7