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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

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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