Segment Information (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014	Dec. 31, 2014
Segment Information
Sales to External Customers:	$ 1,427,886	$ 1,694,591	$ 2,880,244	$ 3,174,227
Operating Income (Loss):	31,662	134,339	59,501	199,542
Income (Loss) from Affiliates:	12,257	8,120	23,036	15,401
Total Assets:	3,738,346		3,738,346		$ 3,691,758
Investment in and Advances to Affiliates:	605,014		605,014		543,411
Pork
Segment Information
Sales to External Customers:	331,259	466,735	652,147	848,825
Operating Income (Loss):	18,537	110,213	34,933	170,690
Income (Loss) from Affiliates:	3,836		6,489
Total Assets:	812,570		812,570		821,172
Investment in and Advances to Affiliates:	85,105		85,105		79,832
Commodity Trading and Milling segment
Segment Information
Sales to External Customers:	778,688	914,114	1,599,276	1,703,504
Operating Income (Loss):	7,380	18,263	11,862	30,193
Income (Loss) from Affiliates:	(15,947)	(2,170)	(25,196)	(2,205)
Total Assets:	976,396		976,396		1,103,461
Investment in and Advances to Affiliates:	197,797		197,797		178,344
Marine
Segment Information
Sales to External Customers:	241,679	210,960	478,339	411,424
Operating Income (Loss):	5,451	(3,057)	12,230	(10,449)
Income (Loss) from Affiliates:	413		1,066
Total Assets:	301,484		301,484		283,276
Investment in and Advances to Affiliates:	18,106		18,106		17,333
Sugar
Segment Information
Sales to External Customers:	45,107	46,986	90,366	97,342
Operating Income (Loss):	993	9,654	4,992	16,415
Income (Loss) from Affiliates:	111	443	527	748
Total Assets:	179,423		179,423		198,271
Investment in and Advances to Affiliates:	3,351		3,351		2,994
Power
Segment Information
Sales to External Customers:	27,510	53,033	52,641	106,881
Operating Income (Loss):	4,342	6,129	6,976	4,445
Income (Loss) from Affiliates:	573	317	125	954
Total Assets:	232,928		232,928		219,604
Investment in and Advances to Affiliates:	30,473		30,473		20,348
Turkey
Segment Information
Income (Loss) from Affiliates:	23,271	9,530	40,025	15,904
Total Assets:	427,404		427,404		393,425
Investment in and Advances to Affiliates:	270,182		270,182		244,560
All Other
Segment Information
Sales to External Customers:	3,643	2,763	7,475	6,251
Operating Income (Loss):	235	(8)	343	329
Total Assets:	5,909		5,909		5,887
Segment Totals
Segment Information
Operating Income (Loss):	36,938	141,194	71,336	211,623
Total Assets:	2,936,114		2,936,114		3,025,096
Corporate Items
Segment Information
Operating Income (Loss):	(5,276)	$ (6,855)	(11,835)	$ (12,081)
Total Assets:	$ 802,232		$ 802,232		$ 666,662