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Post-employment benefit obligations (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of defined benefit plans [abstract] |
Schedule of Amounts Recognized in Consolidated Statements of Financial Position | The amounts recognized in the consolidated statements financial position are as follows:
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Present value of funded obligations |  | $ | 26,730 |  |  | $ | 23,910 |
Fair value of plan assets |  |  | 18,112 |  |  |  | 15,794 |
Deficit of funded plans |  | $ | 8,618 |  |  | $ | 8,116 |
Schedule of Movements in Defined Benefit Obligations | The movements in the defined benefit obligations are as follows:
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Obligations, beginning of year |  | $ | 23,910 |  |  | $ | 24,495 |
Current service costs |  |  | 774 |  |  |  | 781 |
Interest costs |  |  | 999 |  |  |  | 1,057 |
Benefits paid |  |  | (901 | ) |  |  | (830 | )
Actuarial loss (gain) |  |  | 1,948 |  |  |  | (1,593 | )
Obligations, end of year |  | $ | 26,730 |  |  | $ | 23,910
Schedule of Fair Value of Plan Assets | The movements in the fair value of plan assets are as follows:
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Assets, beginning of year |  | $ | 15,794 |  |  | $ | 15,205 |
Return on assets |  |  | 678 |  |  |  | 648 |
Actuarial gain |  |  | 1,555 |  |  |  | 13 |
Employer contributions |  |  | 986 |  |  |  | 758 |
Benefits paid |  |  | (901 | ) |  |  | (830 | )
Assets, end of year |  | $ | 18,112 |  |  | $ | 15,794 |
Schedule of Amounts Recognized in Consolidated Statements of Loss and Comprehensive Loss | The amounts recognized in the consolidated statements of loss and comprehensive loss are as follows:
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Current service costs and interest costs |  |  |  |  |  |
included in cost of sales |  | $ | 1,773 |  |  | $ | 1,838 |
Schedule of Principal Actuarial Assumptions | The principal actuarial assumptions are as follows:
|  | December 31, |  |  | December 31, |
T |  | 2017 |  |  | 2016 |
Discount rate (expense) |  |  | 4.25 | % |  |  | 4.25 | %
Discount rate (year end disclosures) |  |  | 3.75 | % |  |  | 4.25 | %
Future salary increases (salaried plan only) |  |  | 5.00 | % |  |  | 5.00 | %

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- Definition The disclosure of additional information about defined benefit plans necessary to meet the objectives of IAS 19. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 137 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_137&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The disclosure of defined benefit plans. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 138 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_138&doctype=Standard -URIDate 2017-03-09 + Details
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- 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
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- 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
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- Definition The disclosure of a sensitivity analysis for significant actuarial assumptions used to determine the present value of a defined benefit obligation. [Refer: Actuarial assumptions [member]; Defined benefit obligation, at present value] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 145 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_145&doctype=Standard -URIDate 2017-03-09 + Details
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