Sale of Soy and Corn Business (Narrative) (Details) - Sunopta Grains And Foods Inc [Member] - USD ($) $ in Millions	1 Months Ended	3 Months Ended
Feb. 22, 2019	Mar. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of business	$ 66.5
Other income		$ 45.6
Revenue	10.3
Earnings (loss) before income taxes	$ (0.2)

Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

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