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STOCK-BASED COMPENSATION - Restricted and Deferred Share Unit Activity (Details) - shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Restricted share units |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding, beginning of year (in shares) | 2,691,288 | 2,573,894
Granted and reinvested dividends (in shares) | 990,702 | 1,341,801
Exercised (in shares) | (678,634) | (1,041,890)
Forfeited (in shares) | (600,867) | (182,517)
Outstanding, end of year (in shares) | 2,402,489 | 2,691,288
Deferred share units |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding, beginning of year (in shares) | 1,421,342 | 1,619,941
Granted and reinvested dividends (in shares) | 70,692 | 78,939
Exercised (in shares) | (350,803) | (277,439)
Forfeited (in shares) | (1,347) | (99)
Outstanding, end of year (in shares) | 1,139,884 | 1,421,342

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- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_47_b&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
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