Notes to Consolidated Financial Statements

For the years ended December 31, 2014 and 2013

17. Other liabilities

  2014  2013 
Deferred sales $123,298  $55,126 
Derivatives [note 28] 67,916  30,923 
Accrued pension and post-retirement benefit liability [note 27] 61,670  45,931 
Other 7,033  8,085 
  259,917  140,065 
Less current portion (87,883) (60,685)
Net $172,034  $79,380 

Deferred sales includes $92,299,000 (US) (2013 – $36,725,000 (US)) of performance obligations relating to financing arrangements entered into by NUKEM (note 9).