Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Dec. 31, 2013
Segment Information
Sales to External Customers:	$ 1,479,636	$ 1,582,296
Operating Income (Loss):	65,203	63,458
Income (loss) from affiliates	6,644	(2,850)
Total Assets:	3,339,814		3,418,048
Investment in and Advances to Affiliates:	408,643		406,900
Allocation to individual segments of general corporate management oversight costs	0
Pork
Segment Information
Sales to External Customers:	382,090	409,252
Operating Income (Loss):	60,477	32,264
Total Assets:	785,617		773,641
Commodity Trading and Milling
Segment Information
Sales to External Customers:	789,390	800,754
Operating Income (Loss):	11,930	12,328
Income (loss) from affiliates	(35)	2,090
Total Assets:	1,013,417		1,056,930
Investment in and Advances to Affiliates:	192,697		197,036
Marine
Segment Information
Sales to External Customers:	200,464	230,156
Operating Income (Loss):	(7,392)	(3,266)
Total Assets:	270,362		271,012
Sugar
Segment Information
Sales to External Customers:	50,356	66,164
Operating Income (Loss):	6,761	16,541
Income (loss) from affiliates	305	93
Total Assets:	169,306		226,245
Investment in and Advances to Affiliates:	2,476		2,768
Power
Segment Information
Sales to External Customers:	53,848	72,967
Operating Income (Loss):	(1,684)	12,939
Total Assets:	216,728		267,431
Turkey
Segment Information
Income (loss) from affiliates	6,374	(5,033)
Total Assets:	351,926		342,083
Investment in and Advances to Affiliates:	213,470		207,096
All Other
Segment Information
Sales to External Customers:	3,488	3,003
Operating Income (Loss):	337	120
Total Assets:	7,045		6,428
Segment Totals
Segment Information
Operating Income (Loss):	70,429	70,926
Total Assets:	2,814,401		2,943,770
Corporate Items
Segment Information
Operating Income (Loss):	(5,226)	(7,468)
Total Assets:	$ 525,413		$ 474,278