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Net Employee Defined Benefit Liability - Additional Information (Detail) CAD in Millions | 12 Months Ended
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Dec. 31, 2017 CAD yr Trustee
Disclosure of defined benefit plans [abstract] |
Number of employer-appointed trustee | 4
Number of professional trustee | 1
Number of member nominated trustee | 2
Amount expected to contribute to pension plan by company | CAD | CAD 14.9
Percentage of plans' assets invested in mutual funds and exchange-traded funds or held in cash | 40.00%
Percentage of plans' assets held in annuity policies | 30.00%
Weighted average duration of defined benefit obligation | yr | 15

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- References No definition available. + Details
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- Definition The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 147 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_147_b&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 148 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_148_d_iii&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The weighted average duration of a defined benefit obligation. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 147 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_147_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Number of employer appointed trustee. + References No definition available. + Details
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- Definition Number of member nominated trustee. + References No definition available. + Details
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- Definition Number of professional trustee. + References No definition available. + Details
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- Definition Percentage of plan asset in annuity policies. + References No definition available. + Details
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- Definition Percentage of plan asset in securities or held in cash. + References No definition available. + Details
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