Derivative Financial Instruments and Fair Value Measurements (Narrative) (Details) € in Thousands, CAD in Thousands, $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Oct. 03, 2015 USD ($)	Oct. 04, 2014 USD ($)	Jul. 04, 2015 USD ($)	Oct. 03, 2015 USD ($)	Oct. 04, 2014 USD ($)		Oct. 03, 2015 CAD bu lots	Oct. 03, 2015 EUR (€) bu lots	Oct. 03, 2015 USD ($) bu lots	Jan. 03, 2015 USD ($)
Business Acquisition Contingent Consideration [Rollforward]
Payments For Proceeds From Previous Acquisition	$ 0	$ 0		$ 253	$ 800
Fair Value of Contingent Consideration	(156)	0		(238)	1,373	[1]
Enchi Corporation [Member] | Convertible Subordinated Debt [Member]
Derivative [Line Items]
Investment, Embedded Accelarated Payment Option									$ 5,100
Fair Value, Inputs, Level 3 [Member]
Derivative [Line Items]
Accretion Expense				317
Business Acquisition Contingent Consideration [Rollforward]
Beginning Balance - Contingent Consideration			$ (396)	(396)
Business Combination, Consideration Transferred, Liabilities Incurred				(22,330)
Payments For Proceeds From Previous Acquisition				253
Fair Value of Contingent Consideration				(238)
Foreign Exchange adjustment to contingent consideration				25
Ending Balance - Contingent Consideration	(22,686)			(22,686)
Fair Value, Inputs, Level 3 [Member] | Enchi Corporation [Member]
Derivative [Line Items]
Embedded Derivative, Fair Value of Embedded Derivative, Net									$ 3,409	$ 3,409
Opta Minerals Inc [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative [Line Items]
Contingent consideration reduction in projected cash flow exlcuding accretion expense				$ 79
Corn [Member]
Derivative [Line Items]
Inventories Carried At Market Unit | bu							206,971	206,971	206,971
Soybean [Member]
Derivative [Line Items]
Inventories Carried At Market Unit | bu							402,194	402,194	402,194
Future And Forward Contracts [Member] | Cocoa [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | lots							287	287	287
Future And Forward Contracts [Member] | Coffee [Member]
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | lots							4	4	4
Interest Rate Swap [Member] | Opta Minerals Inc [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Derivative, Maturity Date				May 01, 2017
Interest Rate Swap [Member] | Opta Minerals Inc [Member] | Fair Value, Inputs, Level 2 [Member] | CAD
Derivative [Line Items]
Derivative, Notional Amount | CAD							CAD 33,350
Interest Rate Swap [Member] | Maximum [Member] | Opta Minerals Inc [Member] | Fair Value, Inputs, Level 2 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Derivative, Fixed Interest Rate							2.02%	2.02%	2.02%
Debt Instrument, Basis Spread on Variable Rate				3.50%
Interest Rate Swap [Member] | Minimum [Member] | Opta Minerals Inc [Member] | Fair Value, Inputs, Level 2 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative [Line Items]
Derivative, Fixed Interest Rate							1.85%	1.85%	1.85%
Debt Instrument, Basis Spread on Variable Rate				2.00%
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	1,088	(1,802)		$ 534	(2,021)
Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Opta Minerals Inc [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Expense [Member]
Derivative [Line Items]
Interest Expense on Interest Rate Swaps	68	62		(105)	15
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax	$ (489)	$ 1,038		$ (1,074)	$ 1,597
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 2 [Member] | USD
Derivative [Line Items]
Derivative, Notional Amount									$ 26,731
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Fair Value, Inputs, Level 2 [Member] | EUR
Derivative [Line Items]
Derivative, Notional Amount | €								€ 23,712
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Opta Minerals Inc [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Other Comprehensive Income Loss Reclassification Adjustment From AOCI On Derivatives Tax			119
Other Comprehensive Income Loss Reclassification Adjustment From AOCI On Derivatives Before Tax			$ (458)

[1] Fair value of contingent consideration For the three quarters ended October 4, 2014 , the Company recorded a gain of $1,373 in connection with the settlement of the remaining earn-out related to the acquisition of Edner of Nevada, Inc. (“ Edner ”) on December 14, 2010 . In addition, the Company made a payment of $800 to the former owners of E dner in connection with this settlement.