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Employee Benefit Plans - Total Plan Expense, Other Amounts, and Other Changes Recognized in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 28, 2023 | Jan. 29, 2022 | Jan. 30, 2021
Noncontributory Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Interest cost on projected benefit obligation | $ 414 | $ 373 | $ 430
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest Income (Expense), Net | Interest Income (Expense), Net | Interest Income (Expense), Net
Expected return on plan assets | $ (723) | $ (728) | $ (737)
Amortization of unrecognized loss | $ 270 | $ 314 | $ 989
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Depreciation, Depletion and Amortization, Nonproduction | Depreciation, Depletion and Amortization, Nonproduction | Depreciation, Depletion and Amortization, Nonproduction
Net pension cost | $ (39) | $ (41) | $ 682
Other changes recognized in other comprehensive loss, before taxes |  |  |
Unrecognized losses at the beginning of the year | 6,132 | 6,914 | 7,206
Net periodic pension cost | 39 | 41 | (682)
Employer contribution | 524 | 622 | 611
Change in benefit obligations | (1,205) | (1,445) | (221)
Unrecognized losses at the end of year | 5,490 | 6,132 | 6,914
Supplemental Executive Retirement Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Interest cost on projected benefit obligation | $ 14 | $ 12 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest Income (Expense), Net | Interest Income (Expense), Net |
Net pension cost | $ 17 | $ 16 | 15
Other changes recognized in other comprehensive loss, before taxes |  |  |
Unrecognized losses at the beginning of the year | 95 | 120 | 82
Net periodic pension cost | (17) | (16) | (15)
Employer contribution | 40 | 40 | 38
Change in benefit obligations | (87) | (49) | 15
Unrecognized losses at the end of year | $ 31 | $ 95 | $ 120

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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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