XML 50 R38.htm IDEA: XBRL DOCUMENT v3.20.2
Basis of Presentation and Principles of Consolidation (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2020
USD ($)
Jul. 31, 2020
USD ($)
Divisions
Jul. 31, 2019
USD ($)
Jan. 31, 2020
Organization, Consolidation and Presentation of Financial Statements Line Items [Line Items]        
Number of operating units | Divisions   3    
Payments to redeem minority non-controlling Interest $ 17,853 $ 17,853 $ 0  
Related Party Transaction, Amounts of Transaction 199 1,954    
Due to Affiliate, Current $ 0 $ 0    
Dot Technology Corp. [Member]        
Organization, Consolidation and Presentation of Financial Statements Line Items [Line Items]        
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners       36.00%