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8. Fair Value Measurements (Details) - USD ($)
$ in Thousands
May. 01, 2016
Jan. 31, 2016
8. Fair Value Measurements (Details) [Line Items]    
Long-term Debt, Fair Value $ 17,200  
Line of Credit Facility, Maximum Borrowing Capacity 90,000  
Notes Receivable, Fair Value Disclosure 1,573 $ 1,575
Employee-related Liabilities, Current 4,771 $ 4,834
Pension Plan [Member]    
8. Fair Value Measurements (Details) [Line Items]    
Defined Benefit Pension Plan, Liabilities 6,200  
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 1,200  
Employee-related Liabilities, Current $ 5,000