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Restructuring Costs (Tables)
 9 Months Ended
Oct. 31, 2020
Restructuring Costs [Abstract]  
Summary of Significant Components and Activity under the Restructuring Program [Table Text Block]
The following table summarizes the significant components and activity under the restructuring program for the nine-month period ended October 31, 2020:
 
 
Balance at
February 1,
2020
 
Charges
 
Cash Payments
 
Balance at
October 31,
2020
Severance
 
$
3,133,000

 
$
196,000

 
$
(3,306,000
)
 
$
23,000

Other incremental costs
 
127,000

 
68,000

 
(195,000
)
 
—

 
 
$
3,260,000

 
$
264,000

 
$
(3,501,000
)
 
$
23,000