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Property, Equipment and Leasehold Improvements (Detail) - USD ($)
$ in Thousands
Dec. 30, 2022
Dec. 31, 2021
Property:    
Land $ 18,339 $ 18,339
Buildings 69,600 64,854
Construction in progress 1,381 526
Equipment:    
Machinery and equipment 54,476 50,835
Office furniture and equipment 10,632 10,126
Leasehold improvements 14,145 13,687
Property, Plant and Equipment, Gross, Total 168,573 158,367
Less accumulated depreciation and amortization 103,034 98,396
Property, equipment and leasehold improvements, net $ 65,539 $ 59,971