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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Sep. 27, 2019 | Sep. 28, 2018
--- | --- | ---
Deferred tax assets (liabilities): |  |
Federal and foreign net operating losses and credits | $ 263,199 | $ 321,982
Intangible assets | 9,887 |
Intangible assets |  | (94,929)
Property and equipment | (1,473) | (6,293)
Other non-current deferred tax assets | 16,933 | 13,850
Deferred compensation | 0 | 3,810
Deferred gain | 0 | 6,575
Interest | 7,170 | 0
Valuation allowance | (252,536) | (243,112)
Total deferred tax asset | $ 43,180 | $ 1,883

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