Derivative Financial Instruments and Fair Value Measurements (Tables)

3 Months Ended

Mar. 30, 2019

Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

			March 30, 2019
			Fair value
			asset (liability)			Level 1			Level 2			Level 3
			$			$			$			$
Commodity futures contracts(1)
	Unrealized short-term derivative liability		(237	)		(237	)		-			-
Forward foreign currency contracts(2)
	Not designated as hedging instruments		716			-			716			-
Contingent consideration(3)			(4,286	)		-			-			(4,286	)
			December 29, 2018
			Fair value
			asset (liability	)		Level 1			Level 2			Level 3
		$			$			$			$
Commodity futures and forward contracts(1)
	Unrealized short-term derivative asset		620			-			620			-
	Unrealized long-term derivative asset		7			-			7			-
	Unrealized short-term derivative liability		(581	)		(94	)		(487	)		-
	Unrealized long-term derivative liability		(17	)		-			(17	)		-
Forward foreign currency contracts(2)
	Not designated as hedging instruments		583			-			583			-
Contingent consideration(3)			(4,286	)		-			-			(4,286	)
Inventories carried at market(4)			3,239			-			3,239			-

Schedule Of Business Acquisitions By Acquisition Contingent Consideration [Table Text Block]

		Quarter ended
		March 30, 2019		March 31, 2018
		$		$
Balance, beginning of period		(4,286	)	(11,320	)
	Fair value adjustments(1)	-		2,416
Balance, end of period		(4,286	)	(8,904	)

(1)For the quarter ended March 31, 2018, included an adjustment of $2.5 million to reduce the final contingent consideration obligation payable in 2019 based on the results of Citrusource in fiscal 2018.  The parties are in the process of determining the final payment amount under the terms of the Unit Purchase Agreement.