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Investments (Tables) | 9 Months Ended
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Oct. 28, 2018
Investments [Abstract] |
Summary Of Investments | The following table summarizes the Company’s available-for-sale securities:
| October 28, 2018 |  | January 28, 2018
(in thousands) | Market Value |  | Adjusted Cost |  | Gross Unrealized Gain |  | Market Value |  | Adjusted Cost |  | Gross Unrealized Gain
Convertible debt | $ | 3,105 |  |  | $ | 3,105 |  |  | $ | — |  |  | $ | 1,960 |  |  | $ | 1,960 |  |  | $ | — |
Total other assets | $ | 3,105 |  |  | $ | 3,105 |  |  | $ | — |  |  | $ | 1,960 |  |  | $ | 1,960 |  |  | $ | — |
Schedule Of Investments, Classified By Maturity Period | The following table summarizes the maturities of the Company’s available-for-sale securities:
| October 28, 2018 |  | January 28, 2018
(in thousands) | Market Value |  | Adjusted Cost |  | Market Value |  | Adjusted Cost
Within 1 year | $ | 2,000 |  |  | $ | 2,000 |  |  | $ | 1,960 |  |  | $ | 1,960 |
After 1 year through 5 years | 1,105 |  |  | 1,105 |  |  | — |  |  | — |
Total investments | $ | 3,105 |  |  | $ | 3,105 |  |  | $ | 1,960 |  |  | $ | 1,960 |

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