Annual report [Section 13 and 15(d), not S-K Item 405]

PROPERTY AND EQUIPMENT - Cost of Property and Equipment and Estimated Useful Lives (Details)

v3.26.1
PROPERTY AND EQUIPMENT - Cost of Property and Equipment and Estimated Useful Lives (Details) - USD ($)
$ in Thousands
Jan. 03, 2026
Dec. 28, 2024
Property, Plant and Equipment [Line Items]    
Less accumulated depreciation and amortization $ 134,578 $ 130,088
Property and equipment, net 94,383 94,565
Depreciable Property, Plant and Equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 216,513 213,670
Less accumulated depreciation and amortization $ 81,935 83,582
Buildings    
Property, Plant and Equipment [Line Items]    
Useful life 39 years 6 months  
Property, plant and equipment, gross $ 78,585 76,677
Laboratory and production equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 55,387 53,981
Laboratory and production equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Laboratory and production equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life 7 years  
Air transportation equipment    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Property, plant and equipment, gross $ 0 2,952
Computer equipment and software    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 61,126 57,312
Computer equipment and software | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life 3 years  
Computer equipment and software | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 6,649 6,282
Furniture and fixtures | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life 3 years  
Furniture and fixtures | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Automobiles    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 653 637
Automobiles | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life 3 years  
Automobiles | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 10,839 12,611
Leasehold improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life 3 years  
Leasehold improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life 5 years  
Land improvements    
Property, Plant and Equipment [Line Items]    
Useful life 15 years  
Property, plant and equipment, gross $ 3,274 3,218
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 6,650 6,363
Deposits and projects in process    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 5,798 $ 4,620