EXIT OR DISPOSAL ACTIVITIES (Schedule of Components of Administrative Restructuring Charges) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 23, 2012	Sep. 29, 2013	Sep. 23, 2012
EXIT OR DISPOSAL ACTIVITIES [Abstract]
Asset impairment costs (Note 6. Property, Plant and Equipment)	$ 3,095		$ 3,095	$ 1,342
Loss on egg sales and flock depletion expensed as incurred				509
Other restructuring costs	563	2,647	1,527	4,070
Total administrative restructuring charges	$ 3,658	$ 2,647	$ 4,622	$ 5,921