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Investments (Tables) | 9 Months Ended
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Oct. 29, 2017
Investments [Abstract] |
Summary Of Investments | The following table summarizes the Company’s available-for-sale securities:
| October 29, 2017 |  | January 29, 2017
(in thousands) | Market Value |  | Adjusted Cost |  | Gross Unrealized Gain |  | Market Value |  | Adjusted Cost |  | Gross Unrealized Gain
Convertible debt | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,425 |  |  | $ | 1,425 |  |  | $ | — |
Other current assets | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,425 |  |  | $ | 1,425 |  |  | $ | — |
Schedule Of Investments, Classified By Maturity Period | The following table summarizes the maturities of the Company’s available-for-sale securities:
| October 29, 2017 |  | January 29, 2017
(in thousands) | Market Value |  | Adjusted Cost |  | Market Value |  | Adjusted Cost
Within 1 year | $ | — |  |  | $ | — |  |  | $ | 1,425 |  |  | $ | 1,425 |
After 1 year through 5 years | — |  |  | — |  |  | — |  |  | — |
Other current assets | $ | — |  |  | $ | — |  |  | $ | 1,425 |  |  | $ | 1,425 |

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