INCENTIVE COMPENSATION (Narrative) (Details) - USD ($) shares in Millions	3 Months Ended
	Apr. 01, 2018	Mar. 26, 2017
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Fair value of awards vested	$ 0	$ 9,200,000
Total unrecognized compensation cost related to all nonvested awards	$ 17,200,000
Weighted average period unrecognized compensation cost is expected to be recognized	1 year 9 months 4 days
STIP
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Accrued costs related to the STIP	$ 0
Reserved shares of common stock for future issuance under the LTIP (in shares)	4.5
JFC LTIP
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Accrued costs related to the STIP	$ 2,200,000
Moy Park Incentive Plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Accrued costs related to the STIP	$ 700,000