Derivative Financial Instruments and Fair Value Measurements (Narrative) (Details) $ in Thousands, € in Millions, MXN in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2017 USD ($)	Jul. 02, 2016 USD ($)	Jul. 01, 2017 USD ($)	Jul. 02, 2016 USD ($)	Jul. 01, 2017 EUR (€) bu lots	Jul. 01, 2017 MXN bu lots	Jul. 01, 2017 USD ($) bu lots	Dec. 31, 2016 USD ($)	Aug. 29, 2014 USD ($)	Aug. 05, 2011 USD ($)
Business Acquisition Contingent Consideration [Rollforward]
Payments For Proceeds From Previous Acquisition	$ 4,330	$ 4,554	$ 4,330	$ 4,554
Fair Value of Contingent Consideration	(84)	1,603	(204)	1,405
Reclassification Out Of Accumulated Other Comprehensive Income Member
Derivative [Line Items]
Foreign Currency Cash Flow Hedge Gain Loss Reclassified To Earnings Net	800		800
Gain Loss On Components Excluded From Assessment Of Foreign Currency Cash Flow Hedge Effectiveness	900		900
Business Acquisition Contingent Consideration [Rollforward]
Foreign Currency Cash Flow Hedge Gain Loss To Be Reclassified During Next 12 Months							$ 300
Niagara Natural [Member]
Business Acquisition Contingent Consideration [Rollforward]
Fair Value of Contingent Consideration		1,700		1,700
Enchi Corporation [Member]
Derivative [Line Items]
Investment Owned At Cost									$ 900	$ 500
Enchi Corporation [Member] | Convertible Subordinated Debt [Member]
Derivative [Line Items]
Investment, Embedded Accelarated Payment Option							5,100
Fair Value, Inputs, Level 3 [Member]
Business Acquisition Contingent Consideration [Rollforward]
Beginning Balance - Contingent Consideration	(15,130)	(21,208)	(15,279)	(21,010)
Business Combination, Consideration Transferred, Liabilities Incurred	0	0	0	0
Payments For Proceeds From Previous Acquisition	4,061	4,554	4,330	4,554
Fair Value of Contingent Consideration	(84)	1,603	(204)	1,405
Ending Balance - Contingent Consideration	(11,153)	(15,051)	(11,153)	(15,051)
Fair Value, Inputs, Level 3 [Member] | Enchi Corporation [Member]
Derivative [Line Items]
Embedded Derivative, Fair Value of Embedded Derivative, Net							$ 2,700	$ 2,900
Corn [Member]
Derivative [Line Items]
Inventories Carried At Market Unit | bu					377,303	377,303	377,303
Soybean [Member]
Derivative [Line Items]
Inventories Carried At Market Unit | bu					294,468	294,468	294,468
Future And Forward Contracts [Member] | Cocoa [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | lots					102	102	102
Future And Forward Contracts [Member] | Coffee [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | lots					8	8	8
Not Designated as Hedging Instrument [Member] | Future And Forward Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ 400	$ 300	$ 400	$ 500
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Derivative, Notional Amount					€ 32.3		$ 35,500
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Derivative, Notional Amount						MXN 56.5	$ 1,900