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Accrued Expenses (Details) - USD ($) $ in Thousands | Sep. 26, 2020 | Dec. 28, 2019
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Accounts Payable, Current [Abstract] |  |
Accrued compensation and benefits | $ 18,858 | $ 13,331
Accrued warranty | 14,661 | 13,856
Accrued bonus | 23,575 | 12,541
Current portion of operating lease liabilities | 6,343 | 6,843
Accrued direct fulfillment costs | 4,330 | 10,582
Accrued sales and other indirect taxes payable | 10,239 | 12,440
Accrued federal and state income taxes | 6,511 | 3,378
Accrued other | 10,252 | 8,797
Accrued expenses | $ 94,769 | $ 81,768

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