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Accumulated Other Comprehensive Loss
 6 Months Ended
Jun. 30, 2015
Equity [Abstract]  
Accumulated Other Comprehensive Loss
14.

Accumulated Other Comprehensive Loss

As at June 30, 2015 and December 31, 2014, the Company’s accumulated other comprehensive loss consisted of the following components:

 

     June 30,      December 31,  
     2015      2014  
     $      $  

Unrealized loss on qualifying cash flow hedging instruments

      (365 )       (468 ) 

Pension adjustments, net of tax recoveries

      (30,073 )       (29,888 ) 

Unrealized loss on marketable securities

      (430 )       —    

Foreign exchange gain on currency translation

      1,405        2,058  
  

 

 

     

 

 

  
     (29,463 )       (28,298 )