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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Apr. 01, 2018
Income Tax Disclosure [Abstract]    
Income tax expense $ 6.4 $ 6.4
Effecting income tax rate, percent 22.20% 18.80%
United Kingdom    
Valuation Allowance [Line Items]    
Valuation allowance $ 14.7  
Germany    
Valuation Allowance [Line Items]    
Valuation allowance $ 3.8