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STOCK-BASED COMPENSATION - Schedule of Stock-Based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Stock-Based Compensation Plans        
Stock-based compensation $ 25,694 $ 18,093 $ 44,063 $ 34,494
Cost of revenue — recurring        
Stock-Based Compensation Plans        
Stock-based compensation 933 562 1,458 991
Cost of revenue — nonrecurring        
Stock-Based Compensation Plans        
Stock-based compensation 818 864 1,458 1,697
Research and development, net        
Stock-Based Compensation Plans        
Stock-based compensation 4,419 2,027 6,838 3,800
Selling, general and administrative        
Stock-Based Compensation Plans        
Stock-based compensation $ 19,524 $ 14,640 $ 34,309 $ 28,006