XML 71 R48.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Share-based compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Share-Based Payment Arrangements [Abstract] |
Schedule of changes in number and exercise prices of other equity instruments | SARs and TSARs units outstanding at December 31, 2024 and 2023 are as follows:
| SARs |  | TSARs
| Number of units | Exercise price USD |  | Number of units | Exercise price USD
Outstanding at December 31, 2022 | 407,687 |  | $ | 44.67 |  |  | 2,188,359 |  | $ | 42.68 |
Granted | 51,160 |  | 50.49 |  | 169,190 |  | 50.49
Exercised | (50,715) |  | 33.85 |  | (336,535) |  | 31.88
Cancelled | (5,600) |  | 53.69 |  | (13,544) |  | 51.36
Outstanding at December 31, 2023 | 402,532 |  | $ | 46.65 |  |  | 2,007,470 |  | $ | 45.10 |
Granted | 83,840 |  | 43.13 |  | 255,540 |  | 42.58
Exercised | (30,557) |  | 37.10 |  | (185,957) |  | 33.49
Cancelled | (2,421) |  | 51.94 |  |  | (20,893) |  | 50.74 |
Expired | (87,120) |  | 50.15 |  |  | (236,062) |  | 50.17 |
Outstanding at December 31, 2024 | 366,274 |  | $ | 45.77 |  |  | 1,820,098 |  | $ | 45.21 |
Deferred, restricted and performance share units (old plan and new plan) outstanding as at December 31, 2024 and 2023 are as follows:
| Number of deferred share units |  | Number of restricted share units |  |  | Number of performance share units (new plan)
Outstanding at December 31, 2022 | 155,761 |  |  | 340,929 |  |  |  | 744,887 |
Granted | 18,417 |  |  | 104,980 |  |  |  | 179,340 |
Performance factor impact on redemption 1 | — |  |  | — |  |  |  | 143,065 |
Granted in lieu of dividends | 2,484 |  |  | 5,267 |  |  |  | 10,411 |
Redeemed | (18,962) |  |  | (131,398) |  |  |  | (435,035) |
Cancelled | — |  |  | (8,924) |  |  |  | (11,546) |
Outstanding at December 31, 2023 | 157,700 |  |  | 310,854 |  |  |  | 631,122 |
Granted | 28,159 |  |  | 134,080 |  |  |  | 234,430 |
Performance factor impact on redemption 1 | — |  |  | — |  |  |  | 47,473 |
Granted in lieu of dividends | 2,827 |  |  | 5,468 |  |  |  | 10,113 |
Redeemed | (33,892) |  |  | (118,135) |  |  |  | (297,331) |
Cancelled | — |  |  | (16,912) |  |  |  | (24,305) |
Outstanding at December 31, 2024 | 154,794 |  |  | 315,355 |  |  |  | 601,502 |
1 The number of performance share units that ultimately vest are determined by performance factors as described below. The performance factors impact relates to performance share units redeemed in the quarter ended March 31, 2024 and the quarter ended March 31, 2023.
Schedule of number and weighted average remaining contractual life of SARs and TSARs outstanding and exercisable | Information regarding the SARs and TSARs outstanding as at December 31, 2024 is as follows:
| Units outstanding at December 31, 2024 |  | Units exercisable at December 31, 2024
Range of exercise prices | Weighted average remaining contractual life (years) | Number of units outstanding | Weighted average exercise price |  | Number of units exercisable | Weighted average exercise price
SARs |  |  |  |  |  |
$29.27 to $38.79 | 2.53 | 90,318 | $ | 32.73 |  | 90,318 | $ | 32.73
$42.34 to $50.49 | 5.53 | 161,896 | 46.32 |  | 34,360 | 49.41
$54.65 to $78.59 | 0.40 | 114,060 | 55.33 |  | 114,060 | 55.33
| 3.19 | 366,274 | $ | 45.77 |  | 238,738 | $ | 45.93
TSARs |  |  |  |  |  |
$29.27 to $38.79 | 2.59 | 606,205 | $ | 33.30 |  | 606,205 | $ | 33.30
$42.34 to $50.49 | 5.18 | 666,483 | 46.77 |  | 221,562 | 48.97
$54.65 to $78.59 | 0.66 | 547,410 | 56.50 |  | 547,410 | 56.50
| 2.96 | 1,820,098 | $ | 45.21 |  | 1,375,177 | $ | 45.06
Schedule of SARs and TSARs outstanding and exercisable by range of exercise prices | Information regarding the SARs and TSARs outstanding as at December 31, 2024 is as follows:
| Units outstanding at December 31, 2024 |  | Units exercisable at December 31, 2024
Range of exercise prices | Weighted average remaining contractual life (years) | Number of units outstanding | Weighted average exercise price |  | Number of units exercisable | Weighted average exercise price
SARs |  |  |  |  |  |
$29.27 to $38.79 | 2.53 | 90,318 | $ | 32.73 |  | 90,318 | $ | 32.73
$42.34 to $50.49 | 5.53 | 161,896 | 46.32 |  | 34,360 | 49.41
$54.65 to $78.59 | 0.40 | 114,060 | 55.33 |  | 114,060 | 55.33
| 3.19 | 366,274 | $ | 45.77 |  | 238,738 | $ | 45.93
TSARs |  |  |  |  |  |
$29.27 to $38.79 | 2.59 | 606,205 | $ | 33.30 |  | 606,205 | $ | 33.30
$42.34 to $50.49 | 5.18 | 666,483 | 46.77 |  | 221,562 | 48.97
$54.65 to $78.59 | 0.66 | 547,410 | 56.50 |  | 547,410 | 56.50
| 2.96 | 1,820,098 | $ | 45.21 |  | 1,375,177 | $ | 45.06
Schedule of weighted average assumptions of outstanding SARs and TSARs | The fair value of each outstanding SARs and TSARs grant was estimated on December 31, 2024 and 2023 using the Black-Scholes option pricing model with the following weighted average assumptions:
| 2024 | 2023
Risk-free interest rate | 4.2% | 4.5%
Expected dividend yield | 1.5% | 1.6%
Expected life of SARs and TSARs (years) | 1.5 | 1.4
Expected volatility | 35% | 38%
Expected forfeitures | 0% | 0%
Weighted average fair value (USD per unit) | $ | 12.16 |  | $ | 10.75 |

X
- Definition The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's other equity instruments (ie other than share options). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedOtherEquityInstrumentsGrantedDuringPeriodExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the number and weighted average exercise prices of other equity instruments (ie other than share options). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Number And Weighted Average Remaining Contractual Life Of Outstanding Other Equity Instruments [Table Text Block] + References No definition available. + Details
Name: | mx_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingOtherEquityInstrumentsTableTextBlock
Namespace Prefix: | mx_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Range Of Exercise Prices Of Outstanding Other Equity Instruments [Table Text Block] + References No definition available. + Details
Name: | mx_DisclosureOfRangeOfExercisePricesOfOutstandingOtherEquityInstrumentsTableTextBlock
Namespace Prefix: | mx_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-Based Payment Arrangements [Abstract] + References No definition available. + Details
Name: | mx_ShareBasedPaymentArrangementsAbstract
Namespace Prefix: | mx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration