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Warranties
 9 Months Ended
Oct. 31, 2020
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 EndedNine Months Ended
October 31,
2020		October 31,
2019		October 31,
2020		October 31,
2019
Beginning balance$1,609 $1,739 $2,019 $890 
Change in provision
299 1,184 1,299 3,038 
Settlements made
(389)(939)(1,799)(1,944)
Ending balance$1,519 $1,984 $1,519 $1,984