STOCKHOLDERS' EQUITY (Schedule of Reclassification from Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Total reclassification for the period	$ (60)	$ 16
Amount Reclassified from Accumulated Other Comprehensive Loss [Member]
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Realized gain on sale of securities	82	40
Total before tax	(97)	26
Tax benefit (expense)	37	(10)
Total reclassification for the period	(60)	16
Amount Reclassified from Accumulated Other Comprehensive Loss [Member] | Union Plan [Member]
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Amortization of defined benefit pension and other postretirement plan actuarial losses	(6)	0
Amount Reclassified from Accumulated Other Comprehensive Loss [Member] | Legacy Gold Kist Plans [Member]
Amortization of defined benefit pension and other postretirement plan actuarial losses:
Amortization of defined benefit pension and other postretirement plan actuarial losses	$ (173)	$ (14)