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ACQUISITIONS - Narrative (Details) € in Thousands, $ in Thousands, $ in Thousands |  |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |
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Mar. 28, 2023 CAD ($) | Dec. 22, 2022 CAD ($) | Mar. 31, 2024 CAD ($) | Mar. 31, 2025 CAD ($) | Mar. 31, 2025 EUR (€) | Mar. 31, 2024 EUR (€) | Jan. 01, 2024 CAD ($) | Jan. 01, 2024 EUR (€) | Nov. 16, 2023 CAD ($) | Nov. 16, 2023 USD ($) | Jul. 03, 2023 CAD ($) | Jul. 03, 2023 EUR (€) | Jun. 30, 2023 CAD ($) | Jun. 30, 2023 EUR (€) | Mar. 31, 2023 CAD ($) | Mar. 31, 2023 USD ($) | Mar. 28, 2023 USD ($) | Mar. 03, 2023 | Dec. 22, 2022 EUR (€)
Avidity Science, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  |  |  |  | $ 267,649 | $ 195,471 |  |  |  |  |  |  |  |  |
Trade and other receivables recognised as of acquisition date |  |  |  |  |  |  |  |  | $ 17,616 |  |  |  |  |  |  |  |  |  |
Percentage of goodwill and intangible assets not tax deductible |  |  |  |  |  |  |  |  | 17.00% | 17.00% |  |  |  |  |  |  |  |  |
Revenue of acquiree since acquisition date |  |  | $ 38,615 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Profit (loss) of acquiree since acquisition date |  |  | (926) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue of combined entity as if combination occurred at beginning of period |  |  | 64,358 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Profit (loss) of combined entity as if combination occurred at beginning of period |  |  | 1,543 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
IT.ACA. Engineering S.r.l. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  | $ 4,813 |  |  | € 3,290 | $ 12,444 | € 8,507 |  |  |  |  |  |  |  |  |  |  |
Contingent consideration period |  |  | 36 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
IT.ACA. Engineering S.r.l. | Major business combination |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  | $ 7,631 | € 5,217 |  |  |  |  |  |  |  |  |  |  |  |  |  |
IT.ACA. Engineering S.r.l., Odyssey Validation Consultants Limited and Yazzoom B.V. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  |  | 23,363 |  |  |  |  |  |  |  |  |  |  |  |
Trade and other receivables recognised as of acquisition date |  |  |  |  |  |  | $ 3,524 |  |  |  |  |  |  |  |  |  |  |  |
Odyssey Validation Consultants Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |
Cash consideration |  |  |  |  |  |  |  |  |  |  | $ 5,636 | € 3,898 |  |  |  |  |  |  |
Yazzoom B.V. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% | 100.00% |  |  |  |  |
Cash consideration |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,283 | € 3,655 |  |  |  |  |
IPCOS Group N.V., Zi-Argus Australia Pty Ltd. and Zi-Argus Ltd. and Triad Unlimited LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration | $ 58,639 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade and other receivables recognised as of acquisition date | $ 10,464 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Triad Unlimited LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
Cash consideration | $ 20,623 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,166 |  |
Contingent consideration period | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration recognised as of acquisition date | $ 7,953 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,849 |  |
Zi-Argus Australia Pty Ltd. and Zi-Argus Ltd. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |
Cash consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 24,500 | $ 18,015 |  |  |
IPCOS Group N.V. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Cash consideration |  | $ 24,722 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 17,100
Contingent consideration period |  | 36 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration recognised as of acquisition date |  | $ 3,253 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 2,250

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