Retirement Benefit Plans (Defined Contribution Plans) (Details)
$ in Millions |
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3 Months Ended |
6 Months Ended |
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May 29, 2020
store
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Aug. 01, 2020
USD ($)
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Aug. 03, 2019
USD ($)
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Aug. 01, 2020
USD ($)
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Aug. 03, 2019
USD ($)
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Apr. 30, 2020
employee
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Feb. 01, 2020 |
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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| Curtailment loss recognized |
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$ 5.0
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$ 0.0
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$ 5.0
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$ 0.0
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| VERP |
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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| Number of associates | employee |
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4,300
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| Number of associates accepted | store |
2,600
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| Total charge |
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$ 94.0
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| Discount rate |
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3.08%
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3.08%
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2.64%
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| Primary Pension Plan | VERP |
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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| Total charge |
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$ 85.0
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| Curtailment loss recognized |
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$ 4.0
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| Benefit obligation period increase (decrease) |
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117.0
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| Benefit plan assets period increase (decrease) |
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$ 74.0
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| Defined benefit plan, funded percentage |
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101.00%
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101.00%
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| Supplemental Pension Plan | VERP |
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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| Total charge |
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$ 9.0
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| Curtailment loss recognized |
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$ 1.0
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| Benefit obligation period increase (decrease) |
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(0.4)
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| Other Benefit Plans |
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
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| Liability, Defined Benefit Plan |
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$ 165.0
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$ 165.0
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