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Share Capital (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Disclosure of share capital, reserves and other equity interest [Abstract] |
Schedule of Common Stock Outstanding Roll Forward |
| Number of Shares | Amount
Outstanding at December 31, 2020 | 392,776,822 |  | $3,702.9 |
Shares issued through: |  |
Share-based compensation plans | 40,000 |  | 0.3 |
Shares repurchased and cancelled | (1,583,562) |  | (14.9) |
Dividend reinvestment and share purchase plan | 656,473 |  | 4.6 |
Outstanding at December 31, 2021 | 391,889,733 |  | $3,692.9 |
Shares issued through: |  |
Share-based compensation plans | 1,198,125 |  | 7.6 |
Shares repurchased and cancelled (i) | (1,100,000) |  | (10.4) |
Flow-through share financing (ii) | 922,483 |  | 6.9 |
Dividend reinvestment plan (iii) | 527,770 |  | 4.1 |
Shares issued through share purchase plan | 373,806 |  | 2.7 |
Cancellation of unexchanged shares | (5,428) |  | — |
Outstanding at December 31, 2022 | 393,806,489 |  | $3,703.8 |
Disclosure of number and weighted average exercise prices of share options | The following is a continuity of the changes in the number of stock options outstanding:
| Number | Weighted average exercise price (CAD$)
Outstanding at December 31, 2020 | 3,476,579 |  | $6.80 |
Granted | 1,165,147 |  | 9.38 |
Exercised | (40,000) |  | 5.16 |
Outstanding at December 31, 2021 | 4,601,726 |  | $7.47 |
Granted | 634,727 |  | 9.53 |
Exercised | (1,198,125) |  | 5.89 |
Forfeited | (113,477) |  | 6.68 |
Outstanding at December 31, 2022 | 3,924,851 |  | $8.32 |
Weighted average fair value assumptions used in the Black-Scholes valuation for stock options | The following table presents the weighted average fair value assumptions used in the Black-Scholes valuation:
For options granted in the year ended: | December 31, 2022 | December 31, 2021
Weighted average share price at grant date (CAD$) | $9.53 |  | $9.38 |
Risk-free rate | 1.48 | % | 0.78 | %
Expected dividend yield | 1.20 | % | 1.30 | %
Expected stock price volatility (based on historical volatility) | 53 | % | 57 | %
Expected life of option (months) | 54 | 54
Weighted average per share fair value of stock options granted (CAD$) | $3.80 | $3.82
Disclosure of number and weighted average remaining contractual life of outstanding share options | Stock options outstanding and exercisable as at December 31, 2022:
|  | Outstanding |  | Exercisable
Range of exercise prices (CAD$) |  | Number of options | Weighted average exercise price (CAD$) | Weighted average remaining contractual life (years) |  | Number of options | Weighted average exercise price (CAD$)
$6.01 - $7.00 |  | 1,092,977 |  | 6.57 |  | 2.82 |  | 1,092,977 |  | 6.57 |
$7.01 - $8.00 |  | 743,126 |  | 7.62 |  | 4.02 |  | 477,026 |  | 7.62 |
$8.01 - $9.00 |  | 15,571 |  | 8.63 |  | 4.16 |  | 6,048 |  | 8.63 |
$9.01 - $11.00 |  | 2,073,177 |  | 9.50 |  | 4.79 |  | 661,684 |  | 9.50 |
|  | 3,924,851 |  | $8.32 |  | 4.09 |  | 2,237,735 |  | $6.67 |
Stock options outstanding and exercisable by range of exercise prices | Stock options outstanding and exercisable as at December 31, 2022:
|  | Outstanding |  | Exercisable
Range of exercise prices (CAD$) |  | Number of options | Weighted average exercise price (CAD$) | Weighted average remaining contractual life (years) |  | Number of options | Weighted average exercise price (CAD$)
$6.01 - $7.00 |  | 1,092,977 |  | 6.57 |  | 2.82 |  | 1,092,977 |  | 6.57 |
$7.01 - $8.00 |  | 743,126 |  | 7.62 |  | 4.02 |  | 477,026 |  | 7.62 |
$8.01 - $9.00 |  | 15,571 |  | 8.63 |  | 4.16 |  | 6,048 |  | 8.63 |
$9.01 - $11.00 |  | 2,073,177 |  | 9.50 |  | 4.79 |  | 661,684 |  | 9.50 |
|  | 3,924,851 |  | $8.32 |  | 4.09 |  | 2,237,735 |  | $6.67 |
Continuity of the changes in the number of other long-term incentive plans (LTIP) outstanding | The following is a continuity of the changes in the number of other long-term incentive plans ("LTI") outstanding for the years ended December 31, 2022 and 2021:
| Restricted share units ("RSU") |  | Deferred share units ("DSU") | Performance share units ("PSU")
Outstanding units, December 31, 2020 | 1,968,591 |  |  | 864,845 |  | 1,234,018 |
Granted | 724,984 |  |  | 165,772 |  | 490,034 |
Forfeited | (56,302) |  |  | — |  | (59,162) |
Settled | (469,089) |  |  | (119,189) |  | (335,235) |
Outstanding units, December 31, 2021 | 2,168,184 |  |  | 911,428 |  | 1,329,655 |
Granted | 905,058 |  |  | 143,178 |  | 497,895 |
Forfeited | (296,907) |  |  | — |  | (72,522) |
Settled | (641,786) |  |  | — |  | (404,603) |
Outstanding units, December 31, 2022 | 2,134,549 |  |  | 1,054,606 |  | 1,350,425 |
Schedule of Earnings (loss) per share |
|  | For the year ended
|  |  | December 31, 2022 | December 31, 2021
Net earnings (loss) |  |  | $37.1 |  | ($66.7) |
Weighted average number of common shares outstanding (in thousands) |  |  | 392,172 |  | 392,649 |
Basic earnings per share |  |  | $0.09 |  | ($0.17) |
Dilutive effect of potential common share equivalents (in thousands) |  |  | 2,336 |  | — |
Diluted weighted average number of common shares outstanding (in thousands) |  |  | 394,508 |  | 392,649 |
Diluted earnings per share |  |  | $0.09 |  | ($0.17) |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | The following table lists the equity securities that were excluded from the computation of diluted earnings per share. The securities were excluded as the exercise price related to the particular security exceeded the average market price of the Company's common shares of CAD $10.26 for the year ended December 31, 2022 (2021 - CAD $10.01), or the inclusion of the equity securities had an anti-dilutive effect on net loss. For the periods in which the Company records a net loss, diluted loss per share is calculated using the basic weighted average number of shares outstanding, as using the diluted weighted average number of shares outstanding in the calculation would be anti-dilutive.
Equity securities excluded from calculation of diluted earnings per share: |  | For the years ended December 31,
(in thousands) |  |  | 2022 | 2021
Stock options |  |  | 30 |  | 4,601 |

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