v2.4.0.8
Commitments and contingencies (Narrative) (Details) (Colorado Sun Oil Processing [Member], USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 28, 2013
Jul. 13, 2012
Colorado Sun Oil Processing [Member]
   
Loss Contingencies [Line Items]    
Loss Contingency, Lawsuit Filing Date 2010-03-16  
Loss Contingency, Name of Defendant SunOpta Grains and Foods Inc.  
Loss Contingency, Name of Plaintiff Colorado Mills  
Loss Contingency Judgement Amount $ 4,816  
Loss Contingency Judgement Amount Accrued Interest 430  
Loss Contingency Bond Amount   $ 6,875
Loss Contingency Bond Percentage   125.00%
Loss Contingency Judgement Date 2012-01-04