Segment Information (Details 2) (USD $)	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014	Dec. 31, 2014
Segment Information
Sales to External Customers:	$ 1,452,358,000us-gaap_Revenues	$ 1,479,636,000us-gaap_Revenues
Operating Income (Loss):	27,839,000us-gaap_OperatingIncomeLoss	65,203,000us-gaap_OperatingIncomeLoss
Income (Loss) from Affiliates:	11,227,000	6,644,000
Total Assets:	3,714,664,000us-gaap_Assets		3,677,320,000us-gaap_Assets
Investment in and Advances to Affiliates:	539,004,000		523,063,000
Allocation to individual segments of general corporate management oversight costs	0
Pork
Segment Information
Sales to External Customers:	320,888,000	382,090,000
Operating Income (Loss):	16,396,000	60,477,000
Income (Loss) from Affiliates:	2,653,000
Total Assets:	849,841,000		821,172,000
Investment in and Advances to Affiliates:	80,769,000		79,832,000
Commodity Trading and Milling segment
Segment Information
Sales to External Customers:	820,588,000	789,390,000
Operating Income (Loss):	4,482,000	11,930,000
Income (Loss) from Affiliates:	(9,249,000)	(35,000)
Total Assets:	1,005,576,000		1,103,461,000
Investment in and Advances to Affiliates:	182,914,000		178,344,000
Marine
Segment Information
Sales to External Customers:	236,660,000	200,464,000
Operating Income (Loss):	6,779,000	(7,392,000)
Income (Loss) from Affiliates:	653,000
Total Assets:	295,184,000		283,276,000
Investment in and Advances to Affiliates:	17,729,000		17,333,000
Sugar
Segment Information
Sales to External Customers:	45,259,000	50,356,000
Operating Income (Loss):	3,999,000	6,761,000
Income (Loss) from Affiliates:	416,000	305,000
Total Assets:	185,184,000		198,271,000
Investment in and Advances to Affiliates:	3,339,000		2,994,000
Power
Segment Information
Sales to External Customers:	25,131,000	53,848,000
Operating Income (Loss):	2,634,000	(1,684,000)
Total Assets:	204,904,000		199,256,000
Turkey
Segment Information
Income (Loss) from Affiliates:	16,754,000	6,374,000
Total Assets:	407,234,000		393,425,000
Investment in and Advances to Affiliates:	254,253,000		244,560,000
All Other
Segment Information
Sales to External Customers:	3,832,000	3,488,000
Operating Income (Loss):	108,000	337,000
Total Assets:	5,324,000		5,887,000
Segment Totals
Segment Information
Operating Income (Loss):	34,398,000	70,429,000
Total Assets:	2,953,247,000		3,004,748,000
Corporate Items
Segment Information
Operating Income (Loss):	(6,559,000)	(5,226,000)
Total Assets:	$ 761,417,000		$ 672,572,000

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