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EMPLOYEE BENEFITS OBLIGATIONS - Future Mortality Rate (Details) | 12 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Male | at age 45 | Canada | CPM private tables |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 23 years 8 months 12 days | 23 years 7 months 6 days
Male | at age 45 | Germany | Heubeck RT2018G |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 23 years 4 months 24 days | 23 years 2 months 12 days
Male | at age 45 | United Kingdom | S2PxA CMI 2020 |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 22 years 7 months 6 days | 23 years 1 month 6 days
Male | at age 45 | United States | CPM private tables |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 24 years 10 months 24 days | 24 years 10 months 24 days
Male | at age 65 | Canada | CPM private tables |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 22 years 2 months 12 days | 22 years 1 month 6 days
Male | at age 65 | Germany | Heubeck RT2018G |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 20 years 7 months 6 days | 20 years 6 months
Male | at age 65 | United Kingdom | S2PxA CMI 2020 |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 21 years 7 months 6 days | 22 years 1 month 6 days
Male | at age 65 | United States | CPM private tables |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 23 years 6 months | 23 years 4 months 24 days
Female | at age 45 | Canada | CPM private tables |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 26 years 1 month 6 days | 25 years 8 months 12 days
Female | at age 45 | Germany | Heubeck RT2018G |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 26 years 3 months 18 days | 26 years 2 months 12 days
Female | at age 45 | United Kingdom | S2PxA CMI 2020 |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 24 years 7 months 6 days | 25 years 2 months 12 days
Female | at age 45 | United States | CPM private tables |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 26 years 4 months 24 days | 26 years 4 months 24 days
Female | at age 65 | Canada | CPM private tables |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 24 years 9 months 18 days | 24 years 4 months 24 days
Female | at age 65 | Germany | Heubeck RT2018G |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 24 years | 23 years 10 months 24 days
Female | at age 65 | United Kingdom | S2PxA CMI 2020 |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 23 years 4 months 24 days | 24 years
Female | at age 65 | United States | CPM private tables |  |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Employee life expectancy | 25 years 1 month 6 days | 25 years

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- Definition The life expectancy after retirement used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_144&doctype=Standard -URIDate 2022-03-24 + Details
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