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Financial Instruments - Summary of Designated and Non-designated Cash Flow Hedges (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Derivative Financial Instruments    
Investment grade bonds $ 19.7 $ 19.8
Cash    
Derivative Financial Instruments    
Deferred compensation, Rabbi Trust 4.3 4.0
Short-term Investments    
Derivative Financial Instruments    
Deferred compensation, Rabbi Trust 10.6 8.1
Foreign Exchange Forward | Designated hedges    
Derivative Financial Instruments    
Fair value 0.0 0.7
Notional Value $ 15.7 17.5
Foreign Exchange Forward | Designated hedges | Cash Flow Hedging    
Derivative Financial Instruments    
Maturity term (less than) 1 year  
Foreign Exchange Forward | Non-designated hedges    
Derivative Financial Instruments    
Fair value $ 0.3 (0.2)
Notional Value $ 51.4 $ 49.1
Maturity term (less than) 1 year