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Fair Value Measurements (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Financial instruments and financial liabilities    
Transfer of assets from level 1 to level 2 $ 0.0 $ 0.0
Transfer of assets from level 2 to level 1 0.0 0.0
Transfer of liabilities from level 1 to level 2 0.0 0.0
Transfer of liabilities from level 2 to level 1 0.0 0.0
Transfer of assets into level 3 0.0 0.0
Transfer of assets out of level 3 0.0 0.0
Transfer of liabilities into level 3 0.0 0.0
Transfer of liabilities out of level 3 $ 0.0 $ 0.0
Recurring    
Financial instruments and financial liabilities    
Long-Term Debt, Fair Value by Fair Value Hierarchy Level us-gaap:FairValueInputsLevel2Member us-gaap:FairValueInputsLevel2Member
Long-term debt $ 661.7 $ 699.2