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Warranties
 3 Months Ended
Apr. 30, 2017
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
 
 
April 30,
2017
 
April 30,
2016
Beginning balance
 
$
1,547

 
$
1,835

Accrual for warranties
 
1,377

 
824

Settlements made
 
(519
)
 
(343
)
Ending balance
 
$
2,405

 
$
2,316