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EMPLOYEE BENEFITS OBLIGATIONS - Significant Assumptions Weighted (Details)	Mar. 31, 2022	Mar. 31, 2021
Canadian
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Discount rate (in percent)	4.14%	3.32%
Compensation rate increases (in percent)	3.65%	3.65%
Discount rate (in percent)	3.32%	3.96%
Compensation rate increases (in percent)	3.65%	3.66%
Foreign
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Discount rate (in percent)	2.41%	1.06%
Compensation rate increases (in percent)	2.66%	3.01%
Discount rate (in percent)	1.06%	1.46%
Compensation rate increases (in percent)	2.06%	2.92%

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- Definition

Actuarial Assumption Of Discount Rates, Net Pension Cost

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- Definition

Actuarial Assumption Of Expected Rates Of Salary Increases, Net Pension Cost

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- Definition

The discount rate used as the 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
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- Definition

The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [member]; Defined benefit obligation, at present value; Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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