Segmented Information (Disclosure of Segment Depreciation and Amortization) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Total depreciation and amortization	$ 8,751	$ 8,186	$ 17,673	$ 16,488
Global Ingredients [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total depreciation and amortization	1,096	1,337	2,293	2,806
Plant-Based Foods And Beverages [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total depreciation and amortization	2,380	1,526	4,748	3,003
Fruit-Based Foods And Beverages [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total depreciation and amortization	4,110	4,166	8,246	8,394
Total Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total depreciation and amortization	7,586	7,029	15,287	14,203
Corporate Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total depreciation and amortization	$ 1,165	$ 1,157	$ 2,386	$ 2,285