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Intangible Assets (Tables) | 6 Months Ended
--- | ---
Jul. 31, 2022
Intangible Assets |
Schedule of intangible asset | ​
​ | ​ | ​ | ​ | ​
​ |  | July 31, |  | January 31,
​ | ​ | 2022 | ​ | 2022
Cost |  |  |  |
Customer agreements and relationships |  | 266,481 |  | 251,402
Existing technology |  | 355,275 |  | 326,411
Trade names |  | 8,990 |  | 9,038
Non-compete covenants |  | 13,791 |  | 12,306
​ |  | 644,537 |  | 599,157
Accumulated amortization |  |  |  |
Customer agreements and relationships |  | 141,408 |  | 135,380
Existing technology |  | 234,197 |  | 218,953
Trade names |  | 6,894 |  | 6,677
Non-compete covenants |  | 9,473 |  | 8,538
​ |  | 391,972 |  | 369,548
Net |  | 252,565 |  | 229,609

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