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Employee Benefit Plans - Target Asset Allocation (Details) - Noncontributory Pension Plan
Feb. 03, 2018
Jan. 28, 2017
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 100.00%  
Percentage of plan assets 100.00% 100.00%
Equity Securities    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 60.00%  
Percentage of plan assets 65.70% 60.10%
Debt Securities    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 38.00%  
Percentage of plan assets 31.70% 37.70%
Cash    
Defined Benefit Plan Disclosure [Line Items]    
Target allocation 2.00%  
Percentage of plan assets 2.60% 2.20%