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Income Taxes (Details 3) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Income Taxes    
Uncertain tax position reserves $ 0.3 $ 0.7
Interest expense related to uncertain tax positions 0.0 0.0
Foreign tax authority    
Income Taxes    
Foreign tax credit carryforwards $ 5.6 $ 2.6