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Deferred Compensation and Other Benefits - Schedule of Net Periodic Pension Cost (Details) - Belgium Pension Plan [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2017
Sep. 29, 2017
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 70 $ 210
Interest cost 39 117
Expected return on assets (79) (238)
Net periodic pension cost $ 30 $ 89