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Fair Value Measurements - Additional Information (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Aug. 28, 2021 | Aug. 29, 2020
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Short-term marketable debt securities | $ 46,007 | $ 76,118
Long-term marketable debt securities | $ 67,911 | $ 71,121

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