Segment Information (Details)		1 Months Ended			3 Months Ended		6 Months Ended		12 Months Ended
	Jan. 01, 2014 USD ($)	Jul. 04, 2015 USD ($) MW	Sep. 27, 2014 USD ($)	Sep. 28, 2013 USD ($)	Jul. 04, 2015 USD ($) MW	Jun. 28, 2014 USD ($)	Jul. 04, 2015 USD ($) item MW	Jun. 28, 2014 USD ($)	Dec. 31, 2014 USD ($) item	Sep. 03, 2014 MW	Jun. 29, 2013 USD ($)	Dec. 31, 2006 USD ($)
Segment Information
Notes receivable from affiliates		$ 191,778,000			$ 191,778,000		$ 191,778,000		$ 197,270,000
Loss from affiliates					(12,257,000)	$ (8,120,000)	(23,036,000)	$ (15,401,000)
Total investment in affiliate		605,014,000			605,014,000		605,014,000		543,411,000
Pork
Segment Information
Loss from affiliates					(3,836,000)		(6,489,000)
Total investment in affiliate		85,105,000			85,105,000		85,105,000		79,832,000
Commodity Trading and Milling segment
Segment Information
Loss from affiliates					15,947,000	2,170,000	25,196,000	2,205,000
Total investment in affiliate		197,797,000			197,797,000		197,797,000		$ 178,344,000
Commodity Trading and Milling segment | Democratic Republic of Congo
Segment Information
Percentage of ownership interest accounted as equity method investment									50.00%
Payment received from interest bearing long-term notes		0
Power
Segment Information
Capacity of power facility leased (in megawatts) | MW										72
Loss from affiliates					(573,000)	(317,000)	(125,000)	(954,000)
Total investment in affiliate		$ 30,473,000			$ 30,473,000		$ 30,473,000		$ 20,348,000
Power | Dominican Republic
Segment Information
Percentage of ownership interest accounted as equity method investment		29.90%			29.90%		29.90%
Amount invested for acquiring non-controlling interest					$ 10,000,000		$ 10,000,000
Capacity of power facility leased (in megawatts) | MW		300			300		300
Amount investment under cost method		$ 5,910,000			$ 5,910,000		$ 5,910,000					$ 5,910,000
Power | Dominican Republic | Change in accounting method
Segment Information
Increase in investment in affiliates	$ 12,691,000
Turkey
Segment Information
Loss from affiliates					(23,271,000)	(9,530,000)	(40,025,000)	(15,904,000)
Total investment in affiliate		270,182,000			270,182,000		270,182,000		244,560,000
Marine
Segment Information
Loss from affiliates					(413,000)		(1,066,000)
Total investment in affiliate		18,106,000			18,106,000		18,106,000		17,333,000
Butterball, LLC | Long-term note receivable
Segment Information
Notes receivable from affiliates		149,691,000			149,691,000		149,691,000
Butterball, LLC | Turkey
Segment Information
Net sales					390,739,000	375,668,000	788,437,000	731,431,000
Operating income (loss)					51,362,000	28,682,000	93,959,000	49,430,000
Total assets		1,040,435,000			1,040,435,000		1,040,435,000		1,021,182,000
Bakery business | Democratic Republic of Congo
Segment Information
Total investment in affiliate		57,708,000			57,708,000		$ 57,708,000
Bakery business | Democratic Republic of Congo | Supplier concentration risk
Segment Information
Number of suppliers | item							1
Bakery business | Commodity Trading and Milling segment | Democratic Republic of Congo
Segment Information
Due from affiliates		34,556,000			34,556,000		$ 34,556,000
Flour production in Brazil | Flour | Long-term note receivable
Segment Information
Interest received in cash (as a percent)				50.00%
Interest receivable in kind (as a percent)				50.00%
Flour production in Brazil | Flour | Brazil
Segment Information
Percentage of ownership interest accounted as equity method investment				50.00%
Amount contributed as additional equity to provide additional working capital to equity method investee							5,554,000		3,886,000
Amount invested for acquiring non-controlling interest				$ 17,000,000
Loss from affiliates					10,247,000		21,913,000
Proportionate share of deferred income tax asset allowance from affiliates						$ 5,846,000		$ 5,846,000			$ 5,846,000
Amount of investment		0			0		0
Reserve on remaining portion of advances and long-term notes receivable					9,345,000
Third party debt		27,300,000			27,300,000		27,300,000
Due from affiliates		16,480,000			16,480,000		16,480,000		13,969,000
Total investment in affiliate									11,669,000
Reserve for receivable from affiliates		$ 3,000,000			3,000,000		3,000,000
Flour production in Brazil | Flour | Brazil | Advances And Notes Receivable
Segment Information
Loss from affiliates					$ 7,194,000		$ 7,194,000
Flour production in Brazil | Flour | Brazil | Long-term note receivable
Segment Information
Notes receivable from affiliates				$ 13,000,000					$ 13,849,000
Cargo terminal operator in Jamaica | Marine
Segment Information
Percentage of ownership interest accounted as equity method investment			21.00%
Amount invested for acquiring non-controlling interest			$ 17,333,000
Daily's
Segment Information
Number of processing units | item									2
Daily's | Pork
Segment Information
Percentage of ownership interest accounted as equity method investment			50.00%
Divestiture of a 50% interest in Daily's | Triumph | Pork
Segment Information
Percentage of ownership interest sold			50.00%