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Net Employee Defined Benefit Liability (Tables) | 12 Months Ended
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Dec. 31, 2017
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Summary of Reconciliation for Net Defined Benefit Liability | The following table shows a reconciliation from the opening balances to the closing balances for the net defined benefit liability and its components:
|  | 2017 |  |  | 2016 |
|  | Defined Benefit Obligation $ |  |  | Fair Value of Plan Assets $ |  |  | Net Defined Benefit Liability $ |  |  | Defined Benefit Obligation $ |  |  | Fair Value of Plan Assets $ |  |  | Net Defined Benefit Liability $ |
Balance, beginning of the year |  |  | 374.6 |  |  |  | (324.1 | ) |  |  | 50.5 |  |  |  | 383.6 |  |  |  | (339.8 | ) |  |  | 43.8 |
Included in profit or loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense (income) |  |  | 10.4 |  |  |  | (8.9 | ) |  |  | 1.5 |  |  |  | 7.5 |  |  |  | (6.7 | ) |  |  | 0.8 |
Administrative expenses paid by the Plans |  |  | - |  |  |  | 1.0 |  |  |  | 1.0 |  |  |  | - |  |  |  | 0.9 |  |  |  | 0.9 |
|  |  | 10.4 |  |  |  | (7.9 | ) |  |  | 2.5 |  |  |  | 7.5 |  |  |  | (5.8 | ) |  |  | 1.7 |
Included in other comprehensive income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Return on the plan assets (excluding interest income) |  |  | - |  |  |  | (30.1 | ) |  |  | (30.1 | ) |  |  | - |  |  |  | (19.5 | ) |  |  | (19.5 | )
Actuarial (gains) losses arising from: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in demographic assumptions |  |  | (8.1 | ) |  |  | - |  |  |  | (8.1 | ) |  |  | (1.3 | ) |  |  | - |  |  |  | (1.3 | )
Changes in financial assumptions |  |  | 29.5 |  |  |  | - |  |  |  | 29.5 |  |  |  | 35.0 |  |  |  | - |  |  |  | 35.0 |
Experience adjustments |  |  | (5.3 | ) |  |  | - |  |  |  | (5.3 | ) |  |  | 3.2 |  |  |  | - |  |  |  | 3.2 |
Effect of movement in exchange rates |  |  | 10.2 |  |  |  | (9.4 | ) |  |  | 0.8 |  |  |  | (45.0 | ) |  |  | 40.1 |  |  |  | (4.9 | )
|  |  | 26.3 |  |  |  | (39.5 | ) |  |  | (13.2 | ) |  |  | (8.1 | ) |  |  | 20.6 |  |  |  | 12.5 |
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Benefits paid |  |  | (13.6 | ) |  |  | 13.6 |  |  |  | - |  |  |  | (8.4 | ) |  |  | 8.4 |  |  |  | - |
Contributions by employer |  |  | - |  |  |  | (21.3 | ) |  |  | (21.3 | ) |  |  | - |  |  |  | (7.5 | ) |  |  | (7.5 | )
|  |  | (13.6 | ) |  |  | (7.7 | ) |  |  | (21.3 | ) |  |  | (8.4 | ) |  |  | 0.9 |  |  |  | (7.5 | )
Balance, end of the year |  |  | 397.7 |  |  |  | (379.2 | ) |  |  | 18.5 |  |  |  | 374.6 |  |  |  | (324.1 | ) |  |  | 50.5 |
Presented in the statement of financial position as:
|  | December 31 2017 $ |  |  | December 31 2016 $ |
Net defined benefit asset |  |  | (12.7 | ) |  |  | - |
Net defined benefit liability |  |  | 31.2 |  |  |  | 50.5 |
|  |  | 18.5 |  |  |  | 50.5 |
Summary of Major Categories of Plan Assets, Measured at Fair Value | The major categories of plan assets, measured at fair value, are as follows:
|  | December 31 2017 $ |  |  | December 31 2016 $ |
Cash and cash equivalents |  |  | 2.9 |  |  |  | 8.8 |
Investments quoted in active markets (mutual funds and exchange-traded funds): |  |  |  |  |  |  |  |
Equities |  |  | 110.1 |  |  |  | 80.8 |
Corporate bonds and fixed income |  |  | 45.0 |  |  |  | 36.1 |
Property funds |  |  | 6.6 |  |  |  | 8.0 |
Unquoted investments (insurance contract): |  |  |  |  |  |  |  |
Annuity policies |  |  | 102.9 |  |  |  | 90.5 |
Equities and property |  |  | 69.5 |  |  |  | 59.0 |
Corporate bonds |  |  | 22.7 |  |  |  | 19.1 |
Cash and cash equivalents |  |  | 19.5 |  |  |  | 21.8 |
Fair Value of the plan assets |  |  | 379.2 |  |  |  | 324.1 |
Summary of Principal Assumptions Used In Determining Pension Benefit Obligations | The principal assumptions used in determining pension benefit obligations for the Plans are shown below (expressed as weighted averages):
|  | December 31 2017 |  |  | December 31 2016 |
Discount rate |  |  | 2.47% |  |  |  | 2.68% |
Rate of increase in salaries |  |  | 3.51% |  |  |  | 4.50% |
Rate of inflation, pre-retirement |  |  | 2.40% |  |  |  | 2.45% |
Rate of increase in future pensions payment |  |  | 3.53% |  |  |  | 3.58% |
Life expectancy at age 65 for current pensioners: |  |  |  |  |  |  |  |
Male |  |  | 22 years |  |  |  | 22 years |
Female |  |  | 24 years |  |  |  | 24 years |
Life expectancy at age 65 for current members aged 40: |  |  |  |  |  |  |  |
Male |  |  | 23 years |  |  |  | 24 years |
Female |  |  | 26 years |  |  |  | 26 years |
Summary of Quantitative Sensitivity Analyses Impact on Defined Benefit Obligation for Significant Assumptions | Quantitative sensitivity analyses showing the impact on the defined benefit obligation for significant assumptions are as follows:
|  | December 31 2017 |  |  | December 31 2016 |
|  | Increase $ |  |  | Decrease $ |  |  | Increase $ |  |  | Decrease $ |
Change in discount rate by 0.25% |  |  | (11.2 | ) |  |  | 11.8 |  |  |  | (10.5 | ) |  |  | 11.0 |
Change in pre-retirement inflation rate by 0.25% |  |  | 3.9 |  |  |  | (3.8 | ) |  |  | 3.5 |  |  |  | (3.3 | )
Change in salary growth by 0.25% |  |  | 0.5 |  |  |  | (0.5 | ) |  |  | 0.8 |  |  |  | (0.6 | )
Change in pension increase assumption by 0.25% |  |  | 6.4 |  |  |  | (6.1 | ) |  |  | 0.8 |  |  |  | (0.8 | )
Increase of one year in the life expectancy |  |  | 6.0 |  |  |  | n/a |  |  |  | 4.6 |  |  |  | n/a |

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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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