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Marketable Debt Securities - Available-for-Sale Marketable Securities (Detail) - USD ($) $ in Thousands | May 07, 2022 | Aug. 28, 2021
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-For-Sale Marketable Securities, Amortized Cost Basis | $ 121,790 | $ 113,169
Available-For-Sale Marketable Securities, Gross Unrealized Gains | 42 | 768
Available-For-Sale Marketable Securities, Gross Unrealized Losses | (2,423) | (19)
Available-For-Sale Marketable Securities, Fair Value | 119,409 | 113,918
Corporate debt securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-For-Sale Marketable Securities, Amortized Cost Basis | 16,724 | 23,650
Available-For-Sale Marketable Securities, Gross Unrealized Gains | 11 | 329
Available-For-Sale Marketable Securities, Gross Unrealized Losses | (264) | (2)
Available-For-Sale Marketable Securities, Fair Value | 16,471 | 23,977
Government bonds |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-For-Sale Marketable Securities, Amortized Cost Basis | 82,988 | 65,416
Available-For-Sale Marketable Securities, Gross Unrealized Gains | 12 | 338
Available-For-Sale Marketable Securities, Gross Unrealized Losses | (1,672) | (2)
Available-For-Sale Marketable Securities, Fair Value | 81,328 | 65,752
Mortgage-backed securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-For-Sale Marketable Securities, Amortized Cost Basis | 5,120 | 6,552
Available-For-Sale Marketable Securities, Gross Unrealized Gains | 18 | 58
Available-For-Sale Marketable Securities, Gross Unrealized Losses | (227) | (8)
Available-For-Sale Marketable Securities, Fair Value | 4,911 | 6,602
Asset-backed securities and other |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-For-Sale Marketable Securities, Amortized Cost Basis | 16,958 | 17,551
Available-For-Sale Marketable Securities, Gross Unrealized Gains | 1 | 43
Available-For-Sale Marketable Securities, Gross Unrealized Losses | (260) | (7)
Available-For-Sale Marketable Securities, Fair Value | $ 16,699 | $ 17,587

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 + Details
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