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Securities Available for Sale (Tables) | 6 Months Ended
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Jul. 29, 2017
Investments, Debt and Equity Securities [Abstract] |
Fair Value, Amortized Cost and Gross Unrealized Gains and Losses of the Securities | The fair value, amortized cost and gross unrealized gains and losses of securities available for sale are as follows:
(In thousands) July 29, 2017 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
State and Municipal Obligations |  | $ | 5,130 |  |  | $ | 2 |  |  | $ | (1 | ) |  | $ | 5,131 |
January 31, 2017 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
State and Municipal Obligations |  | $ | 6,732 |  |  | $ | — |  |  | $ | (9 | ) |  | $ | 6,723 |

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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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