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Restructuring (Tables)
 3 Months Ended
Apr. 30, 2017
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost
Activity under the restructuring plans is summarized in the following table:
(in thousands)
One-time employee termination benefits
 
Contract commitments
 
Total
Balance at January 29, 2017
$
13

 
$
—

 
$
13

Charges
11

 
418

 
429

Cash payments
(11
)
 
—

 
(11
)
Balance at April 30, 2017
$
13

 
$
418

 
$
431