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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2016
Equity [Abstract] |
Schedule of Accumulated Other comprehensive loss | As at June 30, 2016 and December 31, 2015, the Company’s accumulated other comprehensive loss consisted of the following components:
| June 30, |  | December 31,
| 2016 |  | 2015
| $ |  | $
Unrealized loss on qualifying cash flow hedging instruments | (10,799 | ) |  | (419 | )
Pension adjustments, net of tax recoveries | (15,418 | ) |  | (15,850 | )
Unrealized loss on marketable securities | (454 | ) |  | (463 | )
Foreign exchange gain on currency translation | 1,928 |  |  | 1,841 |
| (24,743 | ) |  | (14,891 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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