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Warranties
 3 Months Ended
Apr. 30, 2016
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,
2016
 
April 30,
2015
Beginning balance
$
1,835

 
$
3,120

Accrual for warranties
824

 
359

Settlements made
(343
)
 
(1,194
)
Ending balance
$
2,316

 
$
2,285