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EMPLOYEE BENEFITS OBLIGATIONS - Expected Employer Contributions (Details) $ in Millions | 12 Months Ended
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Mar. 31, 2021 CAD ($)
Funded |
Disclosure of defined benefit plans [line items] |
Estimate of contributions expected to be paid to plan for next annual reporting period | $ 24.6
Unfunded |
Disclosure of defined benefit plans [line items] |
Estimate of contributions expected to be paid to plan for next annual reporting period | 4.2
Canada | Funded |
Disclosure of defined benefit plans [line items] |
Estimate of contributions expected to be paid to plan for next annual reporting period | 22.3
Canada | Unfunded |
Disclosure of defined benefit plans [line items] |
Estimate of contributions expected to be paid to plan for next annual reporting period | 3.5
Foreign | Funded |
Disclosure of defined benefit plans [line items] |
Estimate of contributions expected to be paid to plan for next annual reporting period | 2.3
Foreign | Unfunded |
Disclosure of defined benefit plans [line items] |
Estimate of contributions expected to be paid to plan for next annual reporting period | $ 0.7

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- Definition The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 147 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_147_b&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 148 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_148_d_iii&doctype=Standard -URIDate 2020-01-01 + Details
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