Commitments and Contingencies	3 Months Ended
Mar. 28, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies [Text Block]	12. Commitments and Contingencies Product Recall On November 20, 2017, Treehouse Foods, Inc., several of its related entities, and its insurer filed a lawsuit against the Company in the Circuit Court of Cook County, Illinois titled Treehouse Foods, Inc. et al. v. SunOpta Grains and Food, Inc. The Company was served with the Summons and Complaint on January 24, 2018. After the Company removed the case to the United States District Court for the Northern District of Illinois, the plaintiffs filed an Amended Complaint on April 23, 2018, and a second Amended Complaint on October 12, 2018. The plaintiffs allege economic damages resulting from the Company's 2016 voluntary recall of certain roasted sunflower kernel products due to the potential for listeria monocytogenes contamination. The plaintiffs brought claims for breach of contract, express and implied warranties and product guarantees, negligence, strict liability, negligent misrepresentation, and indemnity seeking $16.2 million in damages. There are no allegations of personal injury. On March 29, 2019, the court dismissed the plaintiffs' claims for negligence, strict liability, negligent misrepresentation, and common law indemnity. The Company is vigorously defending itself against the remaining contract and warranty-based claims. The Company cannot reasonably predict the outcome of this claim, nor can it estimate the amount of loss, or range of loss, if any, that may result from this claim. Other Claims In addition, various claims and potential claims arising in the normal course of business are pending against the Company. It is the opinion of management that these claims or potential claims are without merit and the amount of potential liability, if any, to the Company is not determinable. Management believes the final determination of these claims or potential claims will not materially affect the financial position or results of the Company.

12. Commitments and Contingencies

Product Recall

On November 20, 2017, Treehouse Foods, Inc., several of its related entities, and its insurer filed a lawsuit against the Company in the Circuit Court of Cook County, Illinois titled Treehouse Foods, Inc. et al. v. SunOpta Grains and Food, Inc. The Company was served with the Summons and Complaint on January 24, 2018. After the Company removed the case to the United States District Court for the Northern District of Illinois, the plaintiffs filed an Amended Complaint on April 23, 2018, and a second Amended Complaint on October 12, 2018. The plaintiffs allege economic damages resulting from the Company's 2016 voluntary recall of certain roasted sunflower kernel products due to the potential for listeria monocytogenes contamination. The plaintiffs brought claims for breach of contract, express and implied warranties and product guarantees, negligence, strict liability, negligent misrepresentation, and indemnity seeking $16.2 million in damages. There are no allegations of personal injury. On March 29, 2019, the court dismissed the plaintiffs' claims for negligence, strict liability, negligent misrepresentation, and common law indemnity. The Company is vigorously defending itself against the remaining contract and warranty-based claims. The Company cannot reasonably predict the outcome of this claim, nor can it estimate the amount of loss, or range of loss, if any, that may result from this claim.

Other Claims

In addition, various claims and potential claims arising in the normal course of business are pending against the Company. It is the opinion of management that these claims or potential claims are without merit and the amount of potential liability, if any, to the Company is not determinable. Management believes the final determination of these claims or potential claims will not materially affect the financial position or results of the Company.