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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based payment arrangements [Abstract] |
Schedule of DSU and RSU activity | DSU and RSU Activity (Number of Units in Thousands)
| DSUs | Fair value | RSUs | Fair value
At January 1, 2020 | 476 |  | $8.8 |  | 3,110 |  | $41.5 |
Settled for cash | — |  | — |  | (2,136) |  | (47.3) |
Forfeited | — |  | — |  | (313) |  | (5.7) |
Granted | 85 |  | 2.0 |  | 1,923 |  | 35.2 |
Credits for dividends | — |  | — |  | 39 |  | 0.9 |
Change in value | — |  | 2.0 |  | — |  | 14.0 |
At December 31, 2020 | 561 |  | $12.8 |  | 2,623 |  | $38.6 |
Settled for cash | — |  | — |  | (1,435) |  | (36.2) |
Granted | 117 |  | 2.2 |  | 1,300 |  | 26.4 |
Credits for dividends | — |  | — |  | 30 |  | 0.6 |
Change in value | — |  | (2.4) |  | — |  | 1.6 |
At December 31, 2021 | 678 |  | $12.6 |  | 2,518 |  | $31.0 |
Schedule of employee stock option activity | Employee Stock Option Activity (Number of Shares in Millions)
| 2021 | 2020
| Shares | Average Price | Shares | Average Price
C$ options |  |  |  |
At January 1 | 0.1 |  | $10 |  | 0.2 |  | $10 |
Exercised | (0.1) |  | 10 |  | (0.1) |  | 10 |
At December 31 | — |  | $— |  | 0.1 |  | $10 |
US$ options |  |  |  |
At January 1 | — |  | $— |  | 0.1 |  | $32 |
Cancelled/expired | — |  | — |  | (0.1) |  | 32 |
At December 31 | — |  | $— |  | — |  | $— |

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- Definition Share-based payment arrangements + References No definition available. + Details
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- Definition The disclosure of the number and weighted average exercise prices of other equity instruments (ie other than share options). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of the number and weighted average exercise prices of share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b&doctype=Standard -URIDate 2021-03-24 + Details
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