Notes to Consolidated Financial Statements

For the years ended December 31, 2014 and 2013

16. Other liabilities

  2015  2014 
Deferred sales $132,904  $123,298 
Derivatives [note 27] 168,236  67,916 
Accrued pension and post-retirement benefit liability [note 26] 64,135  61,670 
Other 7,980  7,033 
  373,255  259,917 
Less current portion (241,113) (87,883)
Net $132,142  $172,034 

Deferred sales includes $110,749,000 ($80,021,000 (US)) of performance obligations relating to financing arrangements entered into by NUKEM (note 8).