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Pension Plans and Other Retirement Benefits - Fair Value for Pension Assets Measured at Fair Value on Recurring Basis (Details) - Funded Plan - USD ($)
$ in Thousands
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 1,686,735 $ 1,562,274 $ 1,245,335
Total      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 736,852 819,539  
Total | Short-term investments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 8,598 109,953  
Total | Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 174,691 231,607  
Total | Corporate and government bond funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 548,667 480,519  
Total | Futures Contracts      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 4,896 (2,540)  
Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 183,289 341,560  
Level 1 | Short-term investments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 8,598 109,953  
Level 1 | Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 174,691 231,607  
Level 1 | Corporate and government bond funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Level 1 | Futures Contracts      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 553,563 477,979  
Level 2 | Short-term investments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Level 2 | Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Level 2 | Corporate and government bond funds      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 548,667 480,519  
Level 2 | Futures Contracts      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 4,896 (2,540)  
Assets measured at net asset value      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 949,883 $ 742,735