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Nature of Operations and Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 181,341 $ 170,697  
Less: Accumulated Depreciation and Amortization 95,309 90,540  
Property, plant and equipment, at cost, net 86,032 80,157  
Property, plant, and equipment and finance lease right-of-use asset, depreciation and amortization expense 12,236 9,386 $ 7,418
Land      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 7,347 7,614  
Buildings      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 58,509 58,866  
Machinery, Equipment, and Leasehold Improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 112,655 100,453  
Construction in Progress      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 2,830 $ 3,764  
Minimum | Machinery and Equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, useful life (years) 2 years    
Minimum | Buildings      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, useful life (years) 10 years    
Maximum | Machinery and Equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, useful life (years) 10 years    
Maximum | Buildings      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, useful life (years) 40 years