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v3.24.1

Share Capital (Share Capital) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Reconciliation of number of shares outstanding [abstract] |  |
Beginning balance | $ 2,721.1 |
Shares issued through: |  |
Shares repurchased and cancelled (in shares) | 0 | (1,100,000)
Exercise of Manitou warrants (in shares) | 60,983 |
Ending balance | $ 2,923.5 | $ 2,721.1
Issued capital [member] |  |
Reconciliation of number of shares outstanding [abstract] |  |
Number of shares outstanding | 393,806,489 | 391,889,733
Beginning balance | $ 3,703.8 | $ 3,692.9
Shares issued through: |  |
Share-based employment compensation plans (in shares) | 1,425,024 | 1,198,125
Share-based compensation plans | $ 12.3 | $ 7.6
Shares repurchased and cancelled (in shares) |  | (1,100,000)
Shares repurchased and cancelled (i) | 0.0 | $ (10.4)
Flow-through share financing (in shares) |  | 922,483
Flow-through share financing | $ 0.0 | $ 6.9
Stock Issued During Period, Share, Acquisition | 1,045,593 |
Dividend reinvestment plan and share purchase plan (in shares) | 353,084 | 527,770
DRIP (ii) | $ 4.1 | $ 4.1
Shares issued through share purchase plan (in shares) | 469,566 | 373,806
ESPP (iii) | $ 5.6 | $ 2.7
Exercise of Manitou warrants (note 8) | 0.9 | 0.0
Issuance of shares related to Manitou acquisition (note 8) | 13.4 | 0.0
Cancellation of unexchanged shares | $ (1.5) | $ 0.0
Cancellation of unexchanged shares (in shares) | (203,755) | (5,428)
Number of shares outstanding | 396,956,984 | 393,806,489
Ending balance | $ 3,738.6 | $ 3,703.8

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