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v3.22.2.2

Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jul. 30, 2022
Accounting Policies [Abstract] |
Debt Securities, Held-to-maturity | Such securities are carried at amortized cost plus accrued interest and consist of the following (in thousands):
|  | As of July 30, 2022
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Market Value
Short-term: |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 110,692 |  |  | $ | — |  |  | $ | 1,104 |  |  | $ | 109,588 |
Municipal bonds |  | 6,623 |  |  | — |  |  | 3 |  |  | 6,620 |
Total |  | $ | 117,315 |  |  | $ | — |  |  | $ | 1,107 |  |  | $ | 116,208 |
|  | As of January 29, 2022
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Market Value
Short-term: |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 236,069 |  |  | $ | — |  |  | $ | 286 |  |  | $ | 235,783 |
Municipal bonds |  | 41,072 |  |  | — |  |  | 44 |  |  | 41,028 |
Total |  | $ | 277,141 |  |  | $ | — |  |  | $ | 330 |  |  | $ | 276,811 |
Long-term: |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 37,717 |  |  | $ | — |  |  | $ | 199 |  |  | $ | 37,518 |
Total |  | $ | 37,717 |  |  | $ | — |  |  | $ | 199 |  |  | $ | 37,518 |
|  | As of July 31, 2021
|  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Market Value
Short-term: |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 234,909 |  |  | $ | — |  |  | $ | 49 |  |  | $ | 234,860 |
Municipal bonds |  | 52,020 |  |  | — |  |  | 6 |  |  | 52,014 |
Total |  | $ | 286,929 |  |  | $ | — |  |  | $ | 55 |  |  | $ | 286,874 |
Long-term: |  |  |  |  |  |  |  |
Municipal bonds |  | 1,104 |  |  | 1 |  |  | — |  |  | 1,105 |
Total |  | $ | 1,104 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1,105 |

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- Definition Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5B -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269825-111563 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 + Details
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