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Investments (Tables) | 12 Months Ended
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Jan. 28, 2018
Investments [Abstract] |
Summary of available-for-sale securities | The following table summarizes the Company’s available-for-sale securities:
| January 28, 2018 |  | January 29, 2017
(in thousands) | Market Value |  | Adjusted Cost |  | Gross Unrealized Gain |  | Market Value |  | Adjusted Cost |  | Gross Unrealized Gain
Convertible debt | $ | 1,960 |  |  | $ | 1,960 |  |  | $ | — |  |  | $ | 1,425 |  |  | $ | 1,425 |  |  | $ | — |
Total other assets | $ | 1,960 |  |  | $ | 1,960 |  |  | $ | — |  |  | $ | 1,425 |  |  | $ | 1,425 |  |  | $ | — |
Schedule of available-for-sale securities, classified by maturity period | The following table summarizes the maturities of the Company’s available-for-sale securities:
| January 28, 2018 |  | January 29, 2017
(in thousands) | Market Value |  | Adjusted Cost |  | Market Value |  | Adjusted Cost
Within 1 year | $ | 1,960 |  |  | $ | 1,960 |  |  | $ | 1,425 |  |  | $ | 1,425 |
After 1 year through 5 years | — |  |  | — |  |  | — |  |  | — |
Total investments | $ | 1,960 |  |  | $ | 1,960 |  |  | $ | 1,425 |  |  | $ | 1,425 |

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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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