v3.25.4
Overview, Basis of Presentation and Significant Accounting Policies - Components of Company's Property, Plant and Equipment (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Property Plant And Equipment [Line Items]    
Property, plant and equipment, gross $ 71.6 $ 71.4
Less: Accumulated depreciation (62.8) (62.5)
Total 8.8 8.9
Land    
Property Plant And Equipment [Line Items]    
Property, plant and equipment, gross 0.3 0.3
Buildings    
Property Plant And Equipment [Line Items]    
Property, plant and equipment, gross 13.2 15.1
Machinery and Equipment    
Property Plant And Equipment [Line Items]    
Property, plant and equipment, gross $ 58.1 $ 56.0