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Goodwill and Other Intangible Assets - Future Estimated Amortization Expense Related to Amortizable Intangible Assets (Detail) - USD ($)
$ in Thousands
Apr. 30, 2020
Jan. 31, 2020
For fiscal years ending January 31    
2020 $ 1,312  
2021 1,201  
2022 1,051  
2023 949  
2024 710  
Thereafter 2,480  
Net Carrying Amount $ 7,703 $ 8,161