Derivatives (Fair Value) (Details) - USD ($) $ in Thousands	Apr. 02, 2016	Jan. 02, 2016
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	$ 5,121	$ 4,458
Liability Derivatives Fair Value	4,895	4,437
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	2,032	3,215
Designated as Hedging Instrument [Member] | Corn Option [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	2,032	3,215
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	3,089	1,243
Liability Derivatives Fair Value	4,895	4,437
Not Designated as Hedging Instrument [Member] | Corn Option [Member] | Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	11	2
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	2,395	644
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	4,884	4,435
Not Designated as Hedging Instrument [Member] | Heating Oil Swaps And Options [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	95	0
Not Designated as Hedging Instrument [Member] | Corn options and futures [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	$ 599	$ 599