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Inventories (Tables)
3 Months Ended
Apr. 30, 2016
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consist of the following (in thousands):
 
Apr 30, 2016
 
Jan 30, 2016
Raw materials
$
2,251

 
$
2,043

Work in progress
116

 
92

Finished goods
355,824

 
309,569

 
$
358,191

 
$
311,704