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Income Taxes - Tax Credit Carryforward (Details) - Research & Experimentation
$ in Millions
Dec. 31, 2015
USD ($)
Foreign  
Tax Credit Carryforward [Line Items]  
Tax credit carryforwards $ 2.1
Federal  
Tax Credit Carryforward [Line Items]  
Tax credit carryforwards 2.3
State  
Tax Credit Carryforward [Line Items]  
Tax credit carryforwards $ 6.7