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10. Employee Benefit Plans (Tables) | 9 Months Ended
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Oct. 29, 2017
Retirement Benefits [Abstract] |
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 |  |  | Thirty-Nine Weeks Ended |
|  | October 29, |  |  | October 30, |  |  | October 29, |  |  | October 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Net periodic benefit costs |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  |  | 76 |  |  |  | 94 |  |  |  | 228 |  |  |  | 282 |
Interest cost |  |  | 280 |  |  |  | 295 |  |  |  | 839 |  |  |  | 885 |
Actuarial loss (gain) |  |  | 15 |  |  |  | (18 | ) |  |  | 45 |  |  |  | (54 | )
Expected return on pension plan assets |  |  | (234 | ) |  |  | (197 | ) |  |  | (700 | ) |  |  | (591 | )
Expected administrative expenses |  |  | 70 |  |  |  | 70 |  |  |  | 210 |  |  |  | 210 |
Consolidated net periodic benefit costs |  | $ | 207 |  |  | $ | 244 |  |  | $ | 622 |  |  | $ | 732 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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