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Income Taxes - Significant Categories of Deferred Taxes (Details) - USD ($) $ in Thousands | Dec. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets |  |
Inventory | $ 5,588 | $ 5,872
Accruals not currently deductible | 6,680 | 8,627
Equity-based compensation expense | 2,580 | 2,746
Property and equipment | 771 | 922
Intangible assets | 6,359 | 6,680
Foreign currency translation | 1,760 | 1,448
Capitalized R&D expenses | 13,537 | 9,618
Tax credit carry forwards | 134,205 | 115,539
Net operating losses | 1,956 | 1,720
Other | 3,237 | 3,223
Gross deferred tax assets | 176,673 | 156,395
Valuation allowance | (137,252) | (118,136)
Net deferred tax assets | 39,421 | 38,259
Deferred tax liabilities |  |
Property and equipment | (5,897) | (5,723)
Prepaid expenses | (1,819) | (2,990)
Intangible assets | (6,359) | (6,680)
Withholding tax on unremitted earnings | (11,673) | (11,639)
Other | (4,941) | (5,499)
Gross deferred tax liabilities | (30,689) | (32,531)
Net deferred taxes | 8,732 | 5,728
Net deferred tax assets | 13,284 | 9,799
Net deferred tax liabilities | $ (4,552) | $ (4,071)

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