Revenue and expenses (Tables)
|
12 Months Ended |
Dec. 31, 2025 |
| Analysis of income and expense [abstract] |
|
| Disclosure of detailed information about revenue [Table Text Block] |
| |
|
Year ended December 31, |
|
| |
|
2025 |
|
|
2024 |
|
| Copper |
$ |
1,161.5 |
|
$ |
1,154.8 |
|
| Gold |
|
794.4 |
|
|
673.6 |
|
| Zinc |
|
43.5 |
|
|
71.1 |
|
| Silver |
|
53.6 |
|
|
51.5 |
|
| Molybdenum |
|
63.9 |
|
|
60.1 |
|
| Other |
|
- |
|
|
1.7 |
|
| Revenue from contracts |
|
2,116.9 |
|
|
2,012.8 |
|
| Non-cash streaming arrangement items: 1 |
|
|
|
|
|
|
| Amortization of deferred revenue - gold |
|
31.3 |
|
|
40.7 |
|
| Amortization of deferred revenue - silver |
|
33.8 |
|
|
33.6 |
|
| Amortization of deferred revenue - variable consideration adjustments - prior periods |
|
9.9 |
|
|
(3.8 |
) |
| |
|
75.0 |
|
|
70.5 |
|
| Pricing and volume adjustments 2 |
|
47.5 |
|
|
35.2 |
|
| |
|
2,239.4 |
|
|
2,118.5 |
|
| Treatment and refining charges |
|
(28.4 |
) |
|
(97.3 |
) |
| |
$ |
2,211.0 |
|
$ |
2,021.2 |
|
|
| Disclosure of depreciation and amortization expense [Table Text Block] |
| |
|
Year ended December 31, |
|
| |
|
2025 |
|
|
2024 |
|
| Cost of sales |
$ |
439.7 |
|
$ |
426.6 |
|
| Selling and administrative expenses |
|
1.5 |
|
|
1.4 |
|
| |
$ |
441.2 |
|
$ |
428.0 |
|
|
| Disclosure of detailed information about share-based compensation expenses (recoveries) [Table Text Block] |
| |
|
Cash-settled |
|
|
|
|
|
Total share-
based
compensation
expense
|
|
| |
RSUs |
|
|
DSUs |
|
|
PSUs |
|
|
Stock options |
|
| Year ended December 31, 2025 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| Cost of sales |
$ |
5.9 |
|
$ |
- |
|
$ |
- |
|
$ |
- |
|
$ |
5.9 |
|
| Selling and administrative |
|
12.9 |
|
|
13.9 |
|
|
24.6 |
|
|
2.5 |
|
|
53.9 |
|
| Other expenses |
|
1.5 |
|
|
- |
|
|
- |
|
|
- |
|
|
1.5 |
|
| |
$ |
20.3 |
|
$ |
13.9 |
|
$ |
24.6 |
|
$ |
2.5 |
|
$ |
61.3 |
|
| Year ended December 31, 2024 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Cost of sales |
$ |
2.0 |
|
$ |
- |
|
$ |
- |
|
$ |
- |
|
$ |
2.0 |
|
| Selling and administrative |
|
4.0 |
|
|
6.3 |
|
|
4.2 |
|
$ |
2.1 |
|
|
16.6 |
|
| Other expenses |
|
0.7 |
|
|
- |
|
|
- |
|
|
- |
|
|
0.7 |
|
| |
$ |
6.7 |
|
$ |
6.3 |
|
$ |
4.2 |
|
$ |
2.1 |
|
$ |
19.3 |
|
|
| Disclosure of detailed information about employee benefits expense [Table Text Block] |
| |
|
Year ended December 31, |
|
| |
|
2025 |
|
|
2024 |
|
| Current employee benefits |
$ |
239.4 |
|
$ |
239.2 |
|
| Profit-sharing plan expense |
|
82.1 |
|
|
51.1 |
|
| Share-based compensation (notes 6c, 22, 26) |
|
|
|
|
|
|
| Equity settled stock options |
|
2.5 |
|
|
2.1 |
|
| Cash-settled restricted share units |
|
20.3 |
|
|
6.7 |
|
| Cash-settled deferred share units |
|
13.9 |
|
|
6.3 |
|
| Cash-settled performance share units |
|
24.6 |
|
|
4.2 |
|
| Employee share purchase plan |
|
2.1 |
|
|
1.8 |
|
| Post-employee pension benefits |
|
|
|
|
|
|
| Defined benefit plans |
|
4.7 |
|
|
4.4 |
|
| Defined contribution plans |
|
2.5 |
|
|
2.1 |
|
| Past service cost (note 22, 23) |
|
- |
|
|
4.3 |
|
| Other post-retirement employee benefits |
|
6.0 |
|
|
7.5 |
|
| Termination benefits |
|
0.7 |
|
|
1.7 |
|
| |
$ |
398.8 |
|
$ |
331.4 |
|
|
| Disclosure of detailed information about other operating expense [Table Text Block] |
| |
|
Year ended
December 31,
|
|
| |
|
2025 |
|
|
2024 |
|
| Regional costs |
$ |
7.7 |
|
$ |
5.4 |
|
| Write-down/loss on disposal of PP&E |
|
3.5 |
|
|
27.4 |
|
| Amortization of community costs (other assets) |
|
7.1 |
|
|
8.5 |
|
| Restructuring |
|
0.1 |
|
|
1.2 |
|
| Wildfire evacuation costs |
|
4.4 |
|
|
- |
|
| Care & maintenance - Manitoba |
|
13.2 |
|
|
14.6 |
|
| Evaluation costs |
|
3.5 |
|
|
1.2 |
|
| Insurance recovery |
|
(25.0 |
) |
|
- |
|
| Reduction of obligation to renounce flow-through share expenditures, net of provisions |
|
(5.5 |
) |
|
(2.0 |
) |
| Option agreement proceeds (Marubeni) |
|
(4.5 |
) |
|
(0.4 |
) |
| Other |
|
3.3 |
|
|
1.5 |
|
| |
$ |
7.8 |
|
$ |
57.4 |
|
|
| Disclosure of detailed information about reversal of impairment loss [Table Text Block] |
| |
|
As at December 31, 2025 |
|
| Pre-tax impairment reversal to: |
|
|
|
| Property, plant & equipment (note 14) |
$ |
(322.3 |
) |
| Tax impact |
|
79.6 |
|
| After-tax impairment reversal |
$ |
(242.7 |
) |
|
| Disclosure of detailed information about finance income and expenses [Table Text Block] |
| |
|
Year ended December 31, |
|
| |
|
2025 |
|
|
2024 |
|
| Net interest expense on long-term debt |
|
|
|
|
|
|
| Net interest expense on long-term debt |
$ |
60.7 |
|
$ |
69.8 |
|
| Accretion on streaming arrangements (note 20) |
|
|
|
|
|
|
| Additions |
|
20.5 |
|
|
24.0 |
|
| Variable consideration adjustments - prior periods |
|
(0.6 |
) |
|
0.2 |
|
| |
|
19.9 |
|
|
24.2 |
|
| Change in fair value of financial instruments |
|
|
|
|
|
|
| Gold prepayment liability |
|
- |
|
|
10.7 |
|
| Unrealized loss on non-quotational pricing hedges |
|
- |
|
|
0.2 |
|
| Realized loss on non-quotational pricing hedges |
|
2.3 |
|
|
8.9 |
|
| Investments at fair value through profit or loss (note 11) |
|
(55.2 |
) |
|
(3.2 |
) |
| |
|
(52.9 |
) |
|
16.6 |
|
| Other net finance (income) expense |
|
|
|
|
|
|
| Net foreign exchange (gain) loss |
|
(18.6 |
) |
|
21.0 |
|
| Accretion on community agreements measured at amortized cost |
|
6.4 |
|
|
4.7 |
|
| Accretion on environmental provisions |
|
11.1 |
|
|
10.5 |
|
| Accretion on Wheaton refund liability |
|
0.6 |
|
|
0.6 |
|
| Accretion on deferred and contingent liability (note 17) |
|
1.4 |
|
|
- |
|
| Withholding taxes |
|
- |
|
|
2.2 |
|
| Loss on disposal of investments |
|
- |
|
|
0.1 |
|
| Interest on equipment financing and leases |
|
9.0 |
|
|
6.7 |
|
| Interest income |
|
(22.3 |
) |
|
(15.7 |
) |
| Other finance expense |
|
4.1 |
|
|
8.0 |
|
| |
|
(8.3 |
) |
|
38.1 |
|
| Net finance expense |
$ |
19.4 |
|
$ |
148.7 |
|
|