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Marketable Debt Securities | 12 Months Ended
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Aug. 27, 2022
Marketable Debt Securities |
Marketable Debt Securities | ​ ​ Note F – Marketable Debt Securities The Company’s basis for determining the cost of a security sold is the “Specific Identification Model.” Unrealized gains (losses) on marketable debt securities are recorded in Accumulated Other Comprehensive Loss. The Company’s available-for-sale marketable debt securities consisted of the following:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | August 27, 2022
​ |  | Amortized |  | Gross |  | Gross |  | ​
​ | ​ | Cost | ​ | Unrealized | ​ | Unrealized | ​ | Fair
(in thousands) | ​ | Basis | ​ | Gains | ​ | Losses | ​ | Value
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Corporate debt securities | ​ | $ | 15,293 | ​ | $ | 1 | ​ | $ | (298) | ​ | $ | 14,996
Government bonds | ​ |  | 88,903 | ​ |  | — | ​ |  | (1,963) | ​ |  | 86,940
Mortgage-backed securities | ​ |  | 4,600 | ​ |  | — | ​ |  | (243) | ​ |  | 4,357
Asset-backed securities and other | ​ |  | 6,531 | ​ |  | — | ​ |  | (279) | ​ |  | 6,252
​ | ​ | $ | 115,327 | ​ | $ | 1 | ​ | $ | (2,783) | ​ | $ | 112,545
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | August 28, 2021
​ |  | Amortized |  | Gross |  | Gross |  | ​
​ | ​ | Cost | ​ | Unrealized | ​ | Unrealized | ​ | Fair
(in thousands) | ​ | Basis | ​ | Gains | ​ | Losses | ​ | Value
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Corporate debt securities | ​ | $ | 23,650 | ​ | $ | 329 | ​ | $ | (2) | ​ | $ | 23,977
Government bonds | ​ |  | 65,416 | ​ |  | 338 | ​ |  | (2) | ​ |  | 65,752
Mortgage-backed securities | ​ |  | 6,552 | ​ |  | 58 | ​ |  | (8) | ​ |  | 6,602
Asset-backed securities and other | ​ |  | 17,551 | ​ |  | 43 | ​ |  | (7) | ​ |  | 17,587
​ | ​ | $ | 113,169 | ​ | $ | 768 | ​ | $ | (19) | ​ | $ | 113,918
​ The marketable debt securities held at August 27, 2022, had effective maturities ranging from less than one year to approximately three years. The Company did not realize any material gains or losses on its marketable debt securities during fiscal 2022, 2021 or 2020. In evaluating whether a credit loss exists for the marketable debt securities, the Company considers factors such as the severity of the loss position, the credit worthiness of the investee, the term to maturity and the intent and ability to hold the investments until maturity or recovery of fair value. An allowance for credit losses was deemed unnecessary given consideration of the factors above. Included above in total marketable debt securities are $91.1 million and $62.5 million of marketable debt securities transferred by the Company’s insurance captive to a trust account to secure its obligations to an insurance company related to future workers’ compensation and casualty losses as of August 27, 2022 and August 28, 2021, respectively.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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