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Goodwill | 12 Months Ended
--- | ---
Jan. 31, 2022
Notes to Financial Statements |
Goodwill | Note 10 – Goodwill Goodwill is recorded when the consideration paid for an acquisition of a business exceeds the fair value of identifiable net tangible and intangible assets acquired. The following table summarizes the changes in goodwill since January 31, 2020: ​
​ | ​ | ​ | ​ | ​
​ |  | January 31, |  | January 31,
​ | ​ | 2022 | ​ | 2021
Balance at beginning of period |  | 565,177 |  | 523,690
Acquisition of Peoplevox |  | — |  | 15,182
Acquisition of Kontainers |  | — |  | 3,461
Acquisition of ShipTrack |  | — |  | 10,327
Acquisition of QuestaWeb |  | 21,691 |  | —
Acquisition of Portrix |  | 15,032 |  | —
Acquisition of GreenMile |  | 12,968 |  | —
Adjustments on account of foreign exchange |  | (6,107) |  | 12,517
Balance at end of period |  | 608,761 |  | 565,177
​

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- Definition The entire disclosure for goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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