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11. Employee Benefit Plans (Tables) | 6 Months Ended
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Jul. 31, 2016
Compensation and Retirement Disclosure [Abstract] |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] | The consolidated liability for our pension plan obligations at July 31, 2016 and January 31, 2016 were $16.8 million and $8.2 million, respectively, and are shown in our condensed consolidated balance sheets as follows:
|  | July 31, |  |  | January 31, |
|  | 2016 |  |  | 2016 |
Accrued salaries, wages and benefits (current portions) |  |  |  |
SRIP |  | $ | 354 |  |  | $ | 354 |
SERP |  |  | 261 |  |  |  | - |
Pension |  |  | 1,191 |  |  |  | - |
Total current portion |  | $ | 1,806 |  |  | $ | 354 |
Long-term portions |  |  |  |  |  |  |  |
SRIP |  | $ | 8,009 |  |  | $ | 7,799 |
SERP |  |  | 2,123 |  |  |  | - |
Total deferred compensation* |  |  | 10,132 |  |  |  | 7,799 |
Pension Plan |  |  | 4,881 |  |  |  | - |
Total deferred compensation and pension plans |  |  | 15,013 |  |  | $ | 7,799 |
Consolidated pension liabilities |  | $ | 16,819 |  |  | $ | 8,153 |
Schedule of Net Benefit Costs [Table Text Block] | Components of net periodic benefit cost for the SRIP, SERP and pension plans are included in our condensed consolidated statements of income under selling and administrative expenses.
|  | Thirteen Weeks Ended |  |  | Twenty-Six Weeks Ended |
|  | July 31, |  |  | August 2, |  |  | July 31, |  |  | August 2, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Net periodic benefit costs |  |  |  |  |  |  |  |  |  |  |  |
SRIP: |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 94 |  |  | $ | 101 |  |  | $ | 187 |  |  | $ | 202 |
Interest cost |  |  | 85 |  |  |  | 72 |  |  |  | 170 |  |  |  | 144 |
Actuarial loss (gain) |  |  | (18 | ) |  |  | 45 |  |  |  | (35 | ) |  |  | 90 |
Total SRIP |  |  | 161 |  |  |  | 218 |  |  |  | 322 |  |  |  | 436 |
SERP: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest cost |  |  | 22 |  |  |  | - |  |  |  | 44 |  |  |  | - |
Total SERP |  |  | 22 |  |  |  | - |  |  |  | 44 |  |  |  | - |
Pension Plan: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest cost |  |  | 187 |  |  |  | - |  |  |  | 376 |  |  |  | - |
Expected return on pension plan assets |  |  | (197 | ) |  |  | - |  |  |  | (395 | ) |  |  | - |
Expected administrative expenses |  |  | 70 |  |  |  | - |  |  |  | 140 |  |  |  | - |
Total Pension Plan |  |  | 60 |  |  |  | - |  |  |  | 121 |  |  |  | - |
Consolidated net periodic benefit costs |  | $ | 243 |  |  | $ | 218 |  |  |  | 487 |  |  | $ | 436 |

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