Annual report pursuant to Section 13 and 15(d)

Income Taxes Income Taxes - Schedule of Valuation Allowance (Details)

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Income Taxes Income Taxes - Schedule of Valuation Allowance (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items]    
Valuation allowance $ 29.7 $ 29.7
Federal    
Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items]    
Valuation allowance 9.4 0.1
State    
Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items]    
Valuation allowance 2.8 6.1
Foreign    
Valuation Allowance for Impairment of Recognized Servicing Assets [Line Items]    
Valuation allowance $ 17.5 $ 23.5