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8. Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($)
$ in Thousands
Oct. 28, 2018
Jan. 28, 2018
Assets measured at fair value    
Company-owned life insurance $ 23,499 $ 23,622
Pension Plan assets [1] 8,757 8,757
Fair Value, Inputs, Level 1 [Member]    
Assets measured at fair value    
Company-owned life insurance 0 0
Pension Plan assets [1] 8,757 8,757
Fair Value, Inputs, Level 2 [Member]    
Assets measured at fair value    
Company-owned life insurance 23,499 23,622
Pension Plan assets [1] 0 0
Fair Value, Inputs, Level 3 [Member]    
Assets measured at fair value    
Company-owned life insurance 0 0
Pension Plan assets [1] $ 0 $ 0
[1] as of January 28, 2018 for Pension Plan assets.