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Long-Term Debt (Schedule of Long-term Debt) (Details) - USD ($)
$ in Thousands
Mar. 28, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Other debt $ 115 $ 149
Deferred financing costs (421) (112)
Total long-term debt 40,714 44,533
Less: current portion 115 44,516
Long-term debt, less current portion 40,599 17
Revolving Credit Facility | Credit Agreement 2020    
Debt Instrument [Line Items]    
Secured debt 41,020 0
Revolving Credit Facility | Credit Agreement 2015    
Debt Instrument [Line Items]    
Secured debt 0 34,000
U.S. Closing Date Term Facility | Credit Agreement 2015    
Debt Instrument [Line Items]    
Secured debt 0 2,038
U.S. Delayed Draw Term Facility | Credit Agreement 2015    
Debt Instrument [Line Items]    
Secured debt 0 4,982
Canadian Term Facilities | Credit Agreement 2015    
Debt Instrument [Line Items]    
Secured debt $ 0 $ 3,476