Segment Information (Details) (USD $)							3 Months Ended			3 Months Ended
	Mar. 29, 2014	Dec. 31, 2013	Mar. 30, 2013	Mar. 29, 2014 Butterball, LLC Long-term note receivable	Dec. 31, 2012 Butterball, LLC Long-term note receivable	Mar. 30, 2013 Pork	Mar. 29, 2014 Turkey Butterball, LLC	Mar. 30, 2013 Turkey Butterball, LLC	Dec. 31, 2013 Turkey Butterball, LLC	Mar. 29, 2014 Power item
Segment Information
One-time Federal blender's credits recognized as revenue			$ 11,260,000			$ 11,260,000
Capacity of power facility leased (in megawatts)										72
Portion of sales price remaining in escrow										1,500,000
Estimated future gain on sale of assets										4,500,000
Net sales							355,763,000	370,570,000
Operating income (loss)							20,748,000	(2,103,000)
Proportionate share of impairment charges of fixed assets recognized in loss from affiliate								(2,704,000)
Total assets							985,913,000		907,004,000
Notes receivable from affiliates	$ 184,735,000	$ 180,386,000		$ 129,551,000	$ 81,231,000