v3.26.1
Financial Instruments and Contingent Consideration (Estimated Fair Value of Financial Instruments) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Carrying Amount [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total long-term debt, including current portion $ (492.0) $ (406.7)
Acquisition-related contingent consideration (3.2) (3.4)
Estimated Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total long-term debt, including current portion (492.0) (406.7)
Acquisition-related contingent consideration (3.2) (3.4)
Interest Rate Swap Contracts [Member] | Carrying Amount [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest rate swap contracts (0.5) (3.4)
Interest Rate Swap Contracts [Member] | Estimated Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Interest rate swap contracts $ (0.5) $ (3.4)