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Accrued Expenses (Details) - USD ($) $ in Thousands | Apr. 03, 2021 | Jan. 02, 2021
--- | --- | ---
Accrued Liabilities, Current [Abstract] |  |
Compensation and related expenses | $ 85,209 | $ 123,540
Income taxes payable | 5,251 | 1,927
Performance awards | 2,376 | 2,176
Other professional fees | 1,635 | 1,541
Direct project accruals | 3,116 | 3,988
Accrued leasehold improvements | 40 | 52
Other | 3,131 | 3,152
Total accrued expenses | 100,758 | 136,376
Compensation and related expenses |  |
Accrued bonuses | $ 50,300 | $ 102,600

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