Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 450.2	$ 464.3
Less: Accumulated depreciation	267.3	279.4
Property, plant and equipment, net	182.9	184.9
Land and land improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	8.1	9.0
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	54.1	63.9
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	356.3	362.5
Leased property under finance leases
Property, Plant and Equipment [Line Items]
Leased property under finance leases	$ 31.7	$ 28.9