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Income Taxes - Schedule of temporary differences comprising the net deferred income tax liability (Details) - USD ($) $ in Thousands | Oct. 03, 2021 | Sep. 27, 2020
--- | --- | ---
Deferred Tax Assets: |  |
State taxes | $ 1,342 | $ 1,146
Reserves and contingent liabilities | 6,662 | 6,262
Accounts receivable including the allowance for doubtful accounts | 5,917 | 6,283
Accrued liabilities | 41,657 | 28,223
Lease liabilities, operating leases | 60,181 | 66,941
Stock-based compensation | 3,560 | 5,905
Loss carry-forwards | 54,825 | 43,475
Valuation allowance | (13,040) | (24,395)
Total deferred tax assets | 161,104 | 133,840
Deferred Tax Liabilities: |  |
Unbilled revenue | (5,595) | (14,451)
Prepaid expense | (8,136) | (5,967)
Right-of-use assets, operating leases | (60,181) | (66,941)
Intangibles | (40,121) | (29,130)
Undistributed earnings | (3,136) | 0
Property and equipment | (85) | (1,615)
Total deferred tax liabilities | (117,254) | (118,104)
Net deferred tax assets | $ 43,850 | $ 15,736

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