Intangible assets - Disclosure of changes in amortization due to revised estimated useful lives (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2028	Mar. 31, 2027	Mar. 31, 2026
Computer software and customer relationships \| Change in future amortization due to change in useful lives of intangibles
Disclosure of detailed information about intangible assets [line items]
Increase (decrease) in amortization of intangible assets other than goodwill due to changes in useful lives	$ (2,354)	$ (45,577)	$ 47,931

The increase (decrease) in an accounting estimate that has an effect in the current period or is expected to have an effect in future periods.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2025-01-01
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-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 184
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_184&doctype=Standard
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 184
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_184&doctype=Standard
-URIDate 2025-03-27

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