Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 31, 2013
Segment Information
Sales to External Customers:	$ 1,694,591	$ 1,684,039	$ 3,174,227	$ 3,266,335
Operating Income (Loss):	134,339	53,549	199,542	117,007
Income (Loss) from Affiliates:	7,803	(4,547)	14,447	(7,397)
Total Assets:	3,435,883		3,435,883		3,418,048
Investment in and Advances to Affiliates:	417,652		417,652		406,900
Allocation to individual segments of general corporate management oversight costs			0
Pork
Segment Information
Sales to External Customers:	466,735	416,850	848,825	826,102
Operating Income (Loss):	110,213	23,634	170,690	55,898
Total Assets:	793,538		793,538		773,641
Commodity Trading and Milling
Segment Information
Sales to External Customers:	914,114	894,762	1,703,504	1,695,516
Operating Income (Loss):	18,263	8,610	30,193	20,938
Income (Loss) from Affiliates:	(2,170)	(2,278)	(2,205)	(188)
Total Assets:	1,114,690		1,114,690		1,056,930
Investment in and Advances to Affiliates:	191,799		191,799		197,036
Marine
Segment Information
Sales to External Customers:	210,960	226,725	411,424	456,881
Operating Income (Loss):	(3,057)	(4,114)	(10,449)	(7,380)
Total Assets:	263,238		263,238		271,012
Sugar
Segment Information
Sales to External Customers:	46,986	67,890	97,342	134,054
Operating Income (Loss):	9,654	11,578	16,415	28,119
Income (Loss) from Affiliates:	443	24	748	117
Total Assets:	179,876		179,876		226,245
Investment in and Advances to Affiliates:	2,853		2,853		2,768
Power
Segment Information
Sales to External Customers:	53,033	74,812	106,881	147,779
Operating Income (Loss):	6,129	15,037	4,445	27,976
Total Assets:	244,382		244,382		267,431
Turkey
Segment Information
Income (Loss) from Affiliates:	9,530	(2,293)	15,904	(7,326)
Total Assets:	365,199		365,199		342,083
Investment in and Advances to Affiliates:	223,000		223,000		207,096
All Other
Segment Information
Sales to External Customers:	2,763	3,000	6,251	6,003
Operating Income (Loss):	(8)	18	329	138
Total Assets:	7,531		7,531		6,428
Segment Totals
Segment Information
Operating Income (Loss):	141,194	54,763	211,623	125,689
Total Assets:	2,968,454		2,968,454		2,943,770
Corporate Items
Segment Information
Operating Income (Loss):	(6,855)	(1,214)	(12,081)	(8,682)
Total Assets:	$ 467,429		$ 467,429		$ 474,278