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v3.20.1

Available-for-sale securities (Tables) | 3 Months Ended
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Apr. 26, 2020
Investments [Abstract] |
Summary Of Investments | The following table summarizes the values of the Company’s available-for-sale securities:
| April 26, 2020 |  | January 26, 2020
(in thousands) | Fair Value |  | Amortized Cost |  | Gross Unrealized Gain/(Loss) |  | Fair Value |  | Amortized Cost |  | Gross Unrealized Gain/(Loss)
Convertible debt | $ | 9,481 |  |  | $ | 9,519 |  |  | $ | (38 | ) |  | $ | 10,700 |  |  | $ | 8,715 |  |  | $ | 1,985 |
Total available-for-sale securities | $ | 9,481 |  |  | $ | 9,519 |  |  | $ | (38 | ) |  | $ | 10,700 |  |  | $ | 8,715 |  |  | $ | 1,985 |
Schedule Of Investments, Classified By Maturity Period | The following table summarizes the maturities of the Company’s available-for-sale securities:
| April 26, 2020 |  | January 26, 2020
(in thousands) | Fair Value |  | Amortized Cost |  | Fair Value |  | Amortized Cost
Within 1 year | $ | 9,016 |  |  | $ | 8,760 |  |  | $ | 10,200 |  |  | $ | 8,215 |
After 1 year through 5 years | 465 |  |  | 759 |  |  | 500 |  |  | 500 |
Total available-for-sale securities | $ | 9,481 |  |  | $ | 9,519 |  |  | $ | 10,700 |  |  | $ | 8,715 |

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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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