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4. Accounts Receivable (Tables)
9 Months Ended
Oct. 28, 2018
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   

October 28,

   

January 28,

 
   

2018

   

2018

 
                 

Trade accounts receivable

  $ 91,356     $ 98,592  

Other accounts receivable allowances

    (3,472

)

    (5,117

)

Allowance for doubtful accounts

    (906

)

    (1,014

)

   Accounts receivable

  $ 86,978     $ 92,461