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Share Capital (Tables)

12 Months Ended

Dec. 31, 2024

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, 2022			393,806,489			$3,703.8
Shares issued through:
Share-based compensation plans			1,425,024			12.3
Manitou acquisition (Note 9)			1,045,593			13.4
DRIP (iii)			353,084			4.1
ESPP (iv)			469,566			5.6
Exercise of warrants			60,983			0.9
Cancellation of unexchanged shares			(203,755)			(1.5)
Outstanding at December 31, 2023			396,956,984			$3,738.6
Shares issued through:
Argonaut acquisition (Note 6)			20,423,051			360.1
Share-based compensation plans			1,006,149			8.6
Orford acquisition (Note 9)			908,689			13.3
Flow-through share financing (ii)			451,990			6.5
DRIP (iii)			349,088			5.8
ESPP (iv)			401,537			6.3
Exercise of Manitou and Orford warrants and stock options			88,308			1.4
Cancellation of unexchanged shares			(220,745)			(2.1)
Outstanding at December 31, 2024			420,365,051			$4,138.5

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, 2022			3,924,851			$8.32
Granted			481,449			14.10
Exercised			(1,424,916)			8.01
Forfeited			(215,007)			10.40
Outstanding at December 31, 2023			2,766,377			$9.32
Granted			471,177			16.07
Exercised			(1,006,149)			7.94
Outstanding at December 31, 2024			2,231,405			$11.37

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, 2024			December 31, 2023
Weighted average share price at grant date (CAD$)			$16.07			$14.10
Average risk-free rate			3.77%			3.87		%
Average expected dividend yield			0.78%			0.96		%
Expected stock price volatility (based on historical volatility)			40%			48		%
Expected life of option (months)			42			42
Weighted average per share fair value of stock options granted (CAD$)			$5.08			$4.94

Disclosure of number and weighted average remaining contractual life of outstanding share options

Stock options outstanding and exercisable as at December 31, 2024:

						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						54,167			6.58			1.20						54,167			6.58
$7.01 - $8.00						313,745			7.63			2.02						313,745			7.63
$8.01 - $11.00						985,661			9.47			3.60						803,759			9.42
$11.01 - $14.05						399,125			14.05			5.18						117,766			14.05
$14.06 - $23.83						478,707			16.08			4.79						—			—
						2,231,405			$11.37			4.09						1,289,437			$9.29

Stock options outstanding and exercisable by range of exercise prices

Stock options outstanding and exercisable as at December 31, 2024:

						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						54,167			6.58			1.20						54,167			6.58
$7.01 - $8.00						313,745			7.63			2.02						313,745			7.63
$8.01 - $11.00						985,661			9.47			3.60						803,759			9.42
$11.01 - $14.05						399,125			14.05			5.18						117,766			14.05
$14.06 - $23.83						478,707			16.08			4.79						—			—
						2,231,405			$11.37			4.09						1,289,437			$9.29

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, 2024 and 2023:

			Restricted share units ("RSU")						Deferred share units ("DSU")			Performance share units ("PSU")
Outstanding units, December 31, 2022			2,134,549						1,054,606			1,350,425
Granted			747,993						112,653			369,589
Forfeited			(383,686)						—			(134,563)
Settled			(587,118)						(154,025)			(426,163)
Outstanding units, December 31, 2023			1,911,738						1,013,234			1,159,288
Granted			719,978						93,546			348,474
Forfeited/expired			(195,159)						—			(63,254)
Settled			(524,965)						—			(412,713)
Outstanding units, December 31, 2024			1,911,592						1,106,780			1,031,795

Schedule of Earnings (loss) per share

									For the years ended
									December 31, 2024			December 31, 2023
Net earnings									$284.3			$210.0
Weighted average number of common shares outstanding (in thousands)									408,165			395,509
Basic earnings per share									$0.70			$0.53
Dilutive effect of potential common share equivalents (in thousands)									2,381			2,560
Diluted weighted average number of common shares outstanding (in thousands)									410,546			398,069
Diluted earnings per share									$0.69			$0.53

Share units excluded from calculation of diluted earnings per share for the years ended:

(in thousands)

December 31, 2024

December 31, 2023

Stock options

5

4

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