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8. Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($)
$ in Thousands
Oct. 30, 2016
[1]
Jan. 31, 2016
Assets measured at fair value    
Company-owned life insurance $ 22,197 $ 21,888
Pension plan assets 11,585 0
Fair Value, Inputs, Level 1 [Member]    
Assets measured at fair value    
Company-owned life insurance 0 0
Pension plan assets 11,585 0
Fair Value, Inputs, Level 2 [Member]    
Assets measured at fair value    
Company-owned life insurance 22,197 21,888
Pension plan assets 0 0
Fair Value, Inputs, Level 3 [Member]    
Assets measured at fair value    
Company-owned life insurance 0 0
Pension plan assets $ 0 $ 0
[1] February 2, 2016 for Pension plan assets