Segment Information-Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Dec. 31, 2014
Segment Information
Sales to External Customers:	$ 1,410,773	$ 1,622,641	$ 4,291,017	$ 4,796,868
Operating Income (Loss):	22,951	96,086	82,452	295,628
Income (Loss) from Affiliates:	16,026	9,892	39,062	25,293
Total Assets:	3,804,233		3,804,233		$ 3,691,758
Investment in and Advances to Affiliates:	635,949		635,949		543,411
Pork
Segment Information
Sales to External Customers:	347,137	454,927	999,284	1,303,752
Operating Income (Loss):	25,895	70,400	60,828	241,090
Income (Loss) from Affiliates:	2,087		8,576
Total Assets:	809,716		809,716		821,172
Investment in and Advances to Affiliates:	101,592		101,592		79,832
Commodity Trading and Milling
Segment Information
Sales to External Customers:	755,750	858,497	2,355,026	2,562,001
Operating Income (Loss):	(4,463)	13,309	7,399	43,502
Income (Loss) from Affiliates:	(18,720)	(4,729)	(43,916)	(6,934)
Total Assets:	972,480		972,480		1,103,461
Investment in and Advances to Affiliates:	196,736		196,736		178,344
Marine
Segment Information
Sales to External Customers:	230,328	205,260	708,667	616,684
Operating Income (Loss):	(2,314)	(4,564)	9,916	(15,013)
Income (Loss) from Affiliates:	504		1,570
Total Assets:	299,547		299,547		283,276
Investment in and Advances to Affiliates:	18,356		18,356		17,333
Sugar
Segment Information
Sales to External Customers:	48,938	47,786	139,304	145,128
Operating Income (Loss):	3,024	6,280	8,016	22,695
Income (Loss) from Affiliates:	87	(112)	614	636
Total Assets:	186,371		186,371		198,271
Investment in and Advances to Affiliates:	3,328		3,328		2,994
Power
Segment Information
Sales to External Customers:	25,078	51,622	77,719	158,503
Operating Income (Loss):	3,121	15,044	10,097	19,489
Income (Loss) from Affiliates:	1,971	400	2,096	1,354
Total Assets:	231,599		231,599		219,604
Investment in and Advances to Affiliates:	32,444		32,444		20,348
Turkey
Segment Information
Income (Loss) from Affiliates:	30,097	14,333	70,122	30,237
Total Assets:	445,024		445,024		393,425
Investment in and Advances to Affiliates:	283,493		283,493		244,560
All Other
Segment Information
Sales to External Customers:	3,542	4,549	11,017	10,800
Operating Income (Loss):	673	531	1,016	860
Total Assets:	6,695		6,695		5,887
Segment Totals
Segment Information
Operating Income (Loss):	25,936	101,000	97,272	312,623
Total Assets:	2,951,432		2,951,432		3,025,096
Corporate Items
Segment Information
Operating Income (Loss):	(2,985)	$ (4,914)	(14,820)	$ (16,995)
Total Assets:	$ 852,801		$ 852,801		$ 666,662