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Consolidated Statements of Changes in Equity - USD ($) $ in Millions | Total | SHARE CAPITAL | CONTRIBUTED SURPLUS | ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME | ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME Equity securities | ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME Currency hedging instruments | ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME Fuel Hedging Instruments | DEFICIT
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2021 |  | $ 3,692.9 | $ 89.5 |  | $ (2.5) | $ 4.0 | $ 0.4 | $ (1,048.7)
Changes in equity [abstract] |  |  |  |  |  |  |  |
Issuance of shares related to Manitou acquisition (note 8) |  | 0.0 |  |  |  |  |  |
Shares repurchased and cancelled (i) |  | (10.4) |  |  |  |  |  | 2.2
Issuance of shares related to share-based compensation |  | 5.3 |  |  |  |  |  |
Issuance of shares for dividend reinvestment and share purchase plan ("DRIP") |  | 4.1 |  |  |  |  |  |
Issuance of shares for employee share purchase plan ("ESPP") |  | 2.7 |  |  |  |  |  |
Transfer from contributed surplus of share-based compensation redeemed |  | 2.3 | (2.3) |  |  |  |  |
Issuance of shares through flow-through share agreements |  | 6.9 |  |  |  |  |  |
Exercise of Manitou warrants (note 8) |  | 0.0 |  |  |  |  |  |
Cancellation of unexchanged shares |  | 0.0 |  |  |  |  |  | 0.0
Share-based compensation |  |  | 5.5 |  |  |  |  |
Distribution of share-based compensation | $ 8.5 |  | (2.0) |  |  |  |  |
Net change in fair value of currency hedging instruments, net of taxes | (5.9) |  |  |  |  | (5.9) |  |
Net change in fair value of fuel hedging instruments, net of tax | (0.3) |  |  |  |  |  | (0.3) |
Reclassification of realized loss on sale of equity securities, net of tax |  |  |  |  | 0.0 |  |  |
Unrealized loss on equity securities, net of tax of nil | 20.5 |  |  |  | (20.5) |  |  |
Dividends (note 13(d)) | (35.1) | (4.1) |  |  |  |  |  | (39.2)
Reclassification of realized loss on sale of equity securities, net of tax |  |  |  |  |  |  |  | 0.0
Net earnings | 37.1 |  |  |  |  |  |  | 37.1
Ending balance at Dec. 31, 2022 | 2,721.1 | 3,703.8 | 90.7 | $ (24.8) | (23.0) | (1.9) | 0.1 | (1,048.6)
Changes in equity [abstract] |  |  |  |  |  |  |  |
Issuance of shares related to Manitou acquisition (note 8) |  | 13.4 |  |  |  |  |  |
Shares repurchased and cancelled (i) |  | 0.0 |  |  |  |  |  | 0.0
Issuance of shares related to share-based compensation |  | 8.4 |  |  |  |  |  |
Issuance of shares for dividend reinvestment and share purchase plan ("DRIP") |  | 4.1 |  |  |  |  |  |
Issuance of shares for employee share purchase plan ("ESPP") |  | 5.6 |  |  |  |  |  |
Transfer from contributed surplus of share-based compensation redeemed |  | 3.9 | (3.9) |  |  |  |  |
Issuance of shares through flow-through share agreements |  | 0.0 |  |  |  |  |  |
Exercise of Manitou warrants (note 8) |  | 0.9 |  |  |  |  |  |
Cancellation of unexchanged shares |  | (1.5) |  |  |  |  |  | 1.5
Share-based compensation |  |  | 4.9 |  |  |  |  |
Distribution of share-based compensation | 15.8 |  | (3.1) |  |  |  |  |
Net change in fair value of currency hedging instruments, net of taxes | 8.3 |  |  |  |  | 8.3 |  |
Net change in fair value of fuel hedging instruments, net of tax | (0.2) |  |  |  |  |  | (0.2) |
Reclassification of realized loss on sale of equity securities, net of tax |  |  |  |  | 0.3 |  |  |
Unrealized loss on equity securities, net of tax of nil | 10.5 |  |  |  | (10.5) |  |  |
Dividends (note 13(d)) |  |  |  |  |  |  |  | (39.4)
Reclassification of realized loss on sale of equity securities, net of tax |  |  |  |  |  |  |  | (0.3)
Net earnings | 210.0 |  |  |  |  |  |  | 210.0
Ending balance at Dec. 31, 2023 | $ 2,923.5 | $ 3,738.6 | $ 88.6 | $ (26.9) | $ (33.2) | $ 6.4 | $ (0.1) | $ (876.8)

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