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, 2018
Dec. 31, 2017
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards $ 78.7  
Tax Benefit of Loss Carryovers 78.4 $ 75.9
NOL Carryforwards which Expire 47.8  
NOL Carryforwards which have an Unlimited Life 30.9  
Valuation Allowance [Abstract]    
Deferred Tax Assets, Valuation Allowance (83.4) $ (81.4)
Foreign Jurisdictions [Member]    
Operating Loss Carryforwards [Line Items]    
Tax Benefit of Loss Carryovers 31.8  
Federal Jurisdiction [Member]    
Operating Loss Carryforwards [Line Items]    
Tax Benefit of Loss Carryovers 2.0  
State and Local Jurisdiction [Member]    
Operating Loss Carryforwards [Line Items]    
Tax Benefit of Loss Carryovers 44.9  
United States [Member]    
Valuation Allowance [Abstract]    
Deferred Tax Assets, Valuation Allowance (52.3)  
Foreign Jurisdictions [Member]    
Valuation Allowance [Abstract]    
Deferred Tax Assets, Valuation Allowance $ (31.1)