Annual report pursuant to Section 13 and 15(d)

Retirement Benefit Plans Retirement Benefit Plans (Accumulated Benefit Obligation) (Details)

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Retirement Benefit Plans Retirement Benefit Plans (Accumulated Benefit Obligation) (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Payment for Settlement $ 153,000 $ 174,000  
Accumulated benefit obligation 3,200,000 2,900,000  
Fair value of plan assets 3,467,000 3,163,000 $ 3,528,000
Supplemental Employee Retirement Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Current Portion of Pension Plan Liability Accrued 27,000 30,000  
Defined Benefit Plan, Plan Assets, Payment for Settlement 0 0  
Accumulated benefit obligation 130,000 141,000  
Fair value of plan assets $ 0 $ 0 $ 0