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ACQUISITIONS: Narrative (Details) $ in Thousands |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Feb. 17, 2021 USD ($) numberOfExerciseMultiple | Jul. 16, 2020 USD ($) | Jul. 02, 2019 USD ($) numberOfExerciseMultiple | Apr. 02, 2019 USD ($) | Mar. 31, 2021 USD ($) numberOfExerciseMultiple | Mar. 31, 2020 USD ($) numberOfExerciseMultiple
Consideration Holdback |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Contingent consideration arrangements, number of annual increments | numberOfExerciseMultiple |  |  |  |  |  | 3
DataFleets, Ltd |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Net purchase price allocated | $ 67,164 |  |  |  |  |
Restricted cash held in escrow | 8,900 |  |  |  |  |
Total fair value of the replacement stock options issued | 2,900 |  |  |  | $ 2,900 |
DataFleets, Ltd | Consideration Holdback |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business combination, contingent consideration arrangements, range of outcomes, value, high | $ 18,100 |  |  |  |  |
Contingent consideration arrangements, number of annual increments | numberOfExerciseMultiple | 3 |  |  |  | 3 |
Contingent consideration arrangements, earning period | 3 years |  |  |  |  |
Acuity Data |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business combination, contingent consideration arrangements, range of outcomes, value, high |  | $ 5,100 |  |  |  |
Payments to acquire businesses, gross |  | $ 2,900 |  |  |  |
Business combination, contingent consideration arrangements, performance period |  | 3 years |  |  |  |
Data Plus Math Corporation |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Net purchase price allocated |  |  | $ 118,001 |  |  |
Restricted cash held in escrow |  |  | 14,815 |  |  |
Total fair value of the replacement stock options issued |  |  | 7,400 |  |  | $ 7,400
Escrow deposit |  |  | 14,800 |  |  |
Fair value of replacement stock options considered a component of purchase price |  |  | 2,300 |  |  | 2,300
Share-based payment arrangement, amount capitalized |  |  | 5,100 |  |  | $ 5,100
Data Plus Math Corporation | Consideration Holdback |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Business combination, contingent consideration arrangements, range of outcomes, value, high |  |  | $ 24,700 |  |  |
Contingent consideration arrangements, number of annual increments | numberOfExerciseMultiple |  |  | 3 |  |  |
Contingent consideration arrangements, earning period |  |  | 3 years |  |  |
Faktor B. V. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire businesses, gross |  |  |  | $ 4,500 |  |

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