Derivatives Derivative Effect of Derivatives Not Designated As Hedges (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	$ 1,766	$ 2,346
Foreign Exchange Contract [Member] | Foreign Currency Gain (Loss) [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	1,871	1,654
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	873	489
Foreign Exchange Contract [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	296	0
Foreign Exchange Contract [Member] | Cost of Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(245)	0
Corn options and futures [Member] | Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	350	(309)
Corn options and futures [Member] | Cost of Sales [Member]
Derivative [Line Items]
Loss or (Gain) Recognized in Income on Derivatives Not Designated as Hedges	(873)	512
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	$ (506)	$ 0