Restructuring and Other Items - Restructuring Charges by Segment (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Oct. 01, 2023	Jul. 02, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring and Other Items [Abstract]
Asset write-downs			$ 4.7	$ 0.0	$ 71.7
Severance and other employee costs	$ 0.3	$ 6.6	10.3	0.0	6.9
Total restructuring and other items			15.0	0.0	78.6
Operating Segments [Member]
Restructuring and Other Items [Abstract]
Asset write-downs					71.7
Operating Segments [Member] | Consumer & Specialties [Member]
Restructuring and Other Items [Abstract]
Asset write-downs			3.0	0.0	71.7
Severance and other employee costs			6.5	0.0	0.9
Operating Segments [Member] | Engineered Solutions [Member]
Restructuring and Other Items [Abstract]
Asset write-downs			1.7	0.0	0.0
Severance and other employee costs			1.6	0.0	3.2
Corporate [Member]
Restructuring and Other Items [Abstract]
Severance and other employee costs			$ 2.2	$ 0.0	$ 2.8