XML 156 R128.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Share Capital - Summary of Dividends Declared and Recorded in the Consolidated Financial Statements (Detail) - CAD | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Dividends [line items] |  |
Paid | CAD 0 | CAD 0
Dividends per share one [member] |  |
Disclosure of Dividends [line items] |  |
Dividend per Share | CAD 0.1250 |
Paid | CAD 14,300,000 |
Date Declared | Feb. 22, 2017 |
Record Date | Mar. 31, 2017 |
Payment Date | Apr. 13, 2017 |
Dividends per share two [member] |  |
Disclosure of Dividends [line items] |  |
Dividend per Share | CAD 0.1250 |
Paid | CAD 14,200,000 |
Date Declared | May 10, 2017 |
Record Date | Jun. 30, 2017 |
Payment Date | Jul. 13, 2017 |
Dividends per share three [member] |  |
Disclosure of Dividends [line items] |  |
Dividend per Share | CAD 0.1250 |
Paid | CAD 14,200,000 |
Date Declared | Aug. 08, 2017 |
Record Date | Sep. 29, 2017 |
Payment Date | Oct. 12, 2017 |
Dividends per share four [member] |  |
Disclosure of Dividends [line items] |  |
Dividend per Share | CAD 0.1250 |
Paid | CAD 0 |
Date Declared | Nov. 08, 2017 |
Record Date | Dec. 31, 2017 |
Payment Date | Jan. 11, 2018 |

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