Annual report pursuant to Section 13 and 15(d)

Income Taxes, Valuation Allowances and NOL Carryforwards (Details)

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Income Taxes, Valuation Allowances and NOL Carryforwards (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards $ 60.3  
Tax Benefit of Loss Carryovers 59.9 $ 56.8
NOL Carryforwards which Expire 43.1  
NOL Carryforwards which have an Unlimited Life 17.2  
Valuation Allowance [Abstract]    
Deferred Tax Assets, Valuation Allowance (71.3) $ (52.8)
Foreign Jurisdictions [Member]    
Operating Loss Carryforwards [Line Items]    
Tax Benefit of Loss Carryovers 35.2  
Federal Jurisdiction [Member]    
Operating Loss Carryforwards [Line Items]    
Tax Benefit of Loss Carryovers 1.1  
State and Local Jurisdiction [Member]    
Operating Loss Carryforwards [Line Items]    
Tax Benefit of Loss Carryovers 24.0  
United States [Member]    
Valuation Allowance [Abstract]    
Deferred Tax Assets, Valuation Allowance (50.2)  
Foreign Jurisdictions [Member]    
Valuation Allowance [Abstract]    
Deferred Tax Assets, Valuation Allowance $ (21.1)