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Pension Plans and Other Retirement Benefits - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 4 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 03, 2018 | Feb. 02, 2019 | Sep. 30, 2018 | Jan. 30, 2021 | Feb. 01, 2020 | Dec. 31, 2019 | Feb. 02, 2019
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |
Net accrued liability recognized in balance sheet |  |  |  | $ 46,000 | $ 75,000 |  |
Pension plans and other retirement benefits, current liability |  |  |  | 7,000 | 3,000 |  |
Pension plans and other retirement benefits, long-term liability |  |  |  | 106,000 | 102,000 |  |
Pension plans and other retirement benefits, long-term asset |  |  |  | 67,000 | 30,000 |  |
Employer contribution |  |  |  | $ 5,000 | 102,000 |  | $ 106,000
Minimum percentage of pension liability |  |  |  | 80.00% |  |  |
Anticipated employer's contribution to fund current benefit and expense payments under the unfunded plan |  |  |  | $ 4,000 |  |  |
Pension settlement charge |  |  |  | $ 0 | 0 |  | (36,122)
Excess percentage of projected benefit obligation for amortization of unrecognized gains and losses |  |  |  | 10.00% |  |  |
Percentage of employees contribution from eligible pay, maximum |  |  |  | 50.00% |  |  |
Rate of eligible pay for matching employee contributions |  |  |  | 5.00% |  |  |
Employer discretionary contribution, maximum percent of match |  |  |  | 25.00% |  |  |
Deferred compensation plan, enrollment deferral rate |  |  |  | 2.00% |  |  |
Employer pension plan contribution |  |  |  | $ 19,000 | 20,000 |  | 19,000
Employee Savings Plan |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |
Total cost to employer |  |  |  | 61,000 | 59,000 |  | 61,000
Nonqualified Savings Plan |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |
Total cost to employer |  |  |  | 3,000 | 7,000 |  | 6,000
Retirement/Deferred Savings Plan |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |
Total cost to employer |  |  |  | $ 22,000 | 20,000 |  | 15,000
Funded Plan |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |
Percentage of pension contribution |  |  |  |  |  | 5.00% |
Minimum |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |
Range of rates for matching employee contributions |  |  |  | 25.00% |  |  |
Maximum |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |
Range of rates for matching employee contributions |  |  |  | 75.00% |  |  |
Funded Plan |  |  |  |  |  |  |
Pension Plans and Other Retirement Benefits [Line Items] |  |  |  |  |  |  |
Net accrued liability recognized in balance sheet |  |  |  | $ (67,461) | (29,858) |  |
Amount of actual return on assets above estimated return |  |  |  | 63,000 |  |  |
Employer contribution |  |  |  | 100 | 100,000 |  |
Transferred assets to plan | $ 207,000 |  |  |  |  |  |
Pension settlement charge | $ 36,000 |  |  | $ 0 | $ 0 |  | $ (36,122)
Discount rate |  | 4.40% | 4.00% | 3.30% | 4.30% |  |
Expected rate of return on plan assets |  | 6.00% | 6.00% | 5.75% | 6.00% |  |
Discount rate |  |  | 4.40% | 3.20% | 3.30% |  |

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- Definition Rate of the alternative method used to amortize net gains and losses. Any systematic method of amortizing gains or losses may be used in lieu of the minimum specified provided that (a) the minimum is used in any period in which the minimum amortization is greater (reduces the net balance included in accumulated other comprehensive income by more), (b) the method is applied consistently, (c) the method is applied similarly to both gains and losses, and (4) the method used is disclosed. + References No definition available. + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2919-114920 + Details
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