v3.26.1
Property, Plant and Equipment, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 27, 2025
Dec. 28, 2024
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 206,063 $ 209,219
Accumulated depreciation (176,909) (175,472)
Property, plant and equipment, net 29,154 33,747
Depreciation 5,160 6,366
Land and improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 3,434 3,434
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 41,589 41,619
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 160,838 163,839
Assets under construction    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 202 $ 327