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Income Taxes (Details) - USD ($)
$ in Millions
Oct. 01, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]    
Unrecognized tax benefits that would impact effective tax rate $ 2.2 $ 3.0
Unrecognized tax benefits that would affect the effective tax rate if recognized 1.8 2.9
Deferred tax assets, valuation allowance $ 2.9 $ 3.0