Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 2,034.3	$ 1,774.7
Less: accumulated depreciation	964.7	809.7
Net property, plant and equipment	1,069.6	965.0
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	29.5	28.2
Land rights and buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	157.1	139.9
Plant and machinery
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	1,494.9	1,339.7
Other equipment, furniture and fixtures, including Asset retirement
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	60.6	51.0
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 292.2	$ 215.9