XML 71 R48.htm IDEA: XBRL DOCUMENT
v3.19.1

Retirement plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Employee Benefits [Abstract] |
Disclosure of net defined benefit liability (asset) | Information concerning the Company’s defined benefit pension plans, in aggregate, is as follows:
As at | Dec 31 2018 |  | Dec 31 2017 |
Accrued benefit obligations: |  |
Balance, beginning of year | $ | 65,393 |  | $ | 60,771 |
Current service cost | 1,981 |  | 1,879 |
Past service cost | 1,279 |  | 812 |
Interest cost on accrued benefit obligations | 2,247 |  | 2,242 |
Benefit payments | (3,558 | ) | (5,280 | )
Actuarial (gain) loss | (652 | ) | 166 |
Foreign exchange (gain) loss | (6,072 | ) | 4,803 |
Balance, end of year | 60,618 |  | 65,393 |
Fair values of plan assets: |  |
Balance, beginning of year | 46,991 |  | 44,230 |
Interest income on assets | 1,420 |  | 1,522 |
Contributions | 2,452 |  | 1,970 |
Benefit payments | (3,558 | ) | (5,280 | )
Return (loss) on plan assets | (2,846 | ) | 1,330 |
Foreign exchange gain (loss) | (3,504 | ) | 3,219 |
Balance, end of year | 40,955 |  | 46,991 |
Unfunded status | 19,663 |  | 18,402 |
Minimum funding requirement | — |  | — |
Defined benefit obligation, net | $ | 19,663 |  | $ | 18,402 |
Expense recognized in the income statement | The Company’s net defined benefit pension plan expense charged to the consolidated statements of income for the years ended December 31, 2018 and 2017 is as follows:
For the years ended December 31 | 2018 |  | 2017 |
Net defined benefit pension plan expense: |  |
Current service cost | $ | 1,981 |  | $ | 1,879 |
Past service cost | 1,279 |  | 812 |
Net interest cost | 827 |  | 720 |
| $ | 4,087 |  | $ | 3,411 |
Expense recognized in other comprehensive income | The Company’s current year actuarial gains (losses), recognized in the consolidated statements of comprehensive income for the years ended December 31, 2018 and 2017, are as follows:
For the years ended December 31 | 2018 |  | 2017 |
Actuarial gain (loss) | $ | (1,483 | ) | $ | 564 |
Disclosure of fair value of plan assets | The asset allocation for the defined benefit pension plan assets as at December 31, 2018 and 2017 is as follows:
As at | Dec 31 2018 |  | Dec 31 2017 |
Equity securities | 20 | % | 46 | %
Debt securities | 57 | % | 29 | %
Cash and other short-term securities | 23 | % | 25 | %
Total | 100 | % | 100 | %

X
- Definition The disclosure of the fair value of defined benefit plan assets. [Refer: Plan assets [member]; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 142 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_142&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_140_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Defined Benefit Plan Expense Recognized In Other Comprehensive Income Explanatory [Table Text Block] + References No definition available. + Details
Name: | mx_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock
Namespace Prefix: | mx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Defined Benefit Plan Expense Recognized In Profit Or Loss Explanatory [Table Text Block] + References No definition available. + Details
Name: | mx_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock
Namespace Prefix: | mx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Employee Benefits [Abstract] + References No definition available. + Details
Name: | mx_EmployeeBenefitsAbstract
Namespace Prefix: | mx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration