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8. Fair Value Measurements (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis - USD ($)
$ in Thousands
May. 01, 2016
Jan. 31, 2016
Assets measured at fair value    
Company-owned life insurance $ 22,246 $ 21,888
Mortgage note receivable 1,573 1,575
Pension plan assets 11,585 [1] 0
Fair Value, Inputs, Level 1 [Member]    
Assets measured at fair value    
Company-owned life insurance 0 0
Mortgage note receivable 0 0
Pension plan assets 11,585 [1] 0
Fair Value, Inputs, Level 2 [Member]    
Assets measured at fair value    
Company-owned life insurance 22,246 21,888
Mortgage note receivable 0 0
Pension plan assets 0 [1] 0
Fair Value, Inputs, Level 3 [Member]    
Assets measured at fair value    
Company-owned life insurance 0 0
Mortgage note receivable 1,573 1,575
Pension plan assets $ 0 [1] $ 0
[1] February 2, 2016 for Pension plan assets