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. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	$ 135	$ (1,030)	$ 1,901	$ 1,316
Foreign Exchange Contract [Member] | Foreign Currency Gain (Loss) [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(335)	(3,481)	1,536	(1,827)
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	(351)	2,506	522	2,995
Foreign Exchange Contract [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(234)	0	62	0
Foreign Exchange Contract [Member] | Cost of Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	151	0	(94)	0
Corn options and futures [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(612)	763	(262)	454
Corn options and futures [Member] | Cost of Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	1,516	(818)	643	(306)
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	$ (506)	$ 0