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IMPAIRMENT OF NON-FINANCIAL ASSETS - Changes In Goodwill (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Disclosure of reconciliation of changes in goodwill [line items] |  |
Business combinations (Note 3) | $ 1,812.4 | $ 219.8
Foreign currency exchange differences | (33.5) | (117.9)
Civil Aviation |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Goodwill, start |  | 667.3
Business combinations (Note 3) | 283.4 | 169.0
Foreign currency exchange differences | (25.8) | (47.1)
Defense and Security |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Goodwill, start |  | 300.7
Business combinations (Note 3) | 1,025.6 | 0.0
Foreign currency exchange differences | 0.9 | (21.4)
Healthcare |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Goodwill, start |  | 117.3
Business combinations (Note 3) | 7.8 | 0.0
Foreign currency exchange differences | (0.8) | (12.6)
Goodwill |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Goodwill, start | 1,173.2 | 1,085.3
Business combinations (Note 3) | 1,316.8 | 169.0
Foreign currency exchange differences | (25.7) | (81.1)
Goodwill, end | 2,464.3 | 1,173.2
Goodwill | Civil Aviation |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Goodwill, start | 789.2 |
Goodwill, end | 1,046.8 | 789.2
Goodwill | Defense and Security |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Goodwill, start | 279.3 |
Goodwill, end | 1,305.8 | 279.3
Goodwill | Healthcare |  |
Disclosure of reconciliation of changes in goodwill [line items] |  |
Goodwill, start | 104.7 |
Goodwill, end | $ 111.7 | $ 104.7

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- Definition The increase in intangible assets and goodwill resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 134 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_a&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 135 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_135_a&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in intangible assets and goodwill resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_e_vii&doctype=Standard -URIDate 2021-03-24 + Details
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