XML 61 R46.htm IDEA: XBRL DOCUMENT v3.19.1
Significant Accounting Policies - Schedule of Warranty Liability, Included in Accrued Liabilities in Consolidated Balance Sheets and Activity (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
Schedule of warranty liability      
Balance, beginning of year $ 3,288 $ 2,728 $ 2,556
Provision charged to operations 2,249 2,845 2,092
Settlements made (2,834) (2,285) (1,920)
Balance, end of year $ 2,703 $ 3,288 $ 2,728