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Warranties
 6 Months Ended
Jul. 31, 2019
Product Warranties Disclosures [Abstract]  
Warranties WARRANTIES

Accruals necessary for product warranties are estimated based on historical warranty costs and average time elapsed between purchases and returns for each division. Additional accruals are made for any significant, discrete warranty issues. Changes in the warranty accrual were as follows:
 
Three Months Ended
 
Six Months Ended
 
July 31,
2019
 
July 31,
2018
 
July 31,
2019
 
July 31,
2018
Beginning balance
$
1,391

 
$
1,097

 
$
890

 
$
1,163

Change in provision
1,032

 
329

 
1,854

 
486

Settlements made
(684
)
 
(289
)
 
(1,005
)
 
(512
)
Ending balance
$
1,739

 
$
1,137

 
$
1,739

 
$
1,137