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Available-for-sale securities (Tables) | 9 Months Ended
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Oct. 26, 2025
Investments [Abstract] |
Summary of Investments | The following table summarizes the values of the Company's available-for-sale securities:
| October 26, 2025 |  | January 26, 2025
(in thousands) | Fair Value |  | Amortized Cost |  | Gross Unrealized Loss |  | Fair Value |  | Amortized Cost |  | Gross Unrealized Loss
Convertible debt investments | $ | 9,520 |  |  | $ | 14,725 |  |  | $ | (5,205) |  |  | $ | 12,715 |  |  | $ | 14,725 |  |  | $ | (2,010) |
Total available-for-sale securities | $ | 9,520 |  |  | $ | 14,725 |  |  | $ | (5,205) |  |  | $ | 12,715 |  |  | $ | 14,725 |  |  | $ | (2,010) |

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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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