Derivatives Derivative Effect of Derivatives Not Designated As Hedges (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	$ 1,812	$ 135	$ 5,098	$ 1,901
Foreign Exchange Contract [Member] | Foreign Currency Gain (Loss) [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	1,257	(335)	(38)	1,536
Foreign Exchange Contract [Member] | Selling, General and Administrative Expenses [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	1,180	(351)	6,904	522
Foreign Exchange Contract [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(107)	(234)	623	62
Foreign Exchange Contract [Member] | Cost of Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(170)	151	(1,057)	(94)
Corn options and futures [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	935	(612)	1,790	(262)
Corn options and futures [Member] | Cost of Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(1,245)	1,516	(3,086)	643
Heating Oil Swaps And Options [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(38)	0	(38)	0
Heating Oil Swaps And Options [Member] | Cost of Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	$ 0	$ 0	$ 0	$ (506)