INCENTIVE COMPENSATION (Narrative) (Details) - USD ($) shares in Millions	9 Months Ended
	Sep. 24, 2017	Sep. 25, 2016
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Fair value of awards vested	$ 8,600,000	$ 0
Total unrecognized compensation cost related to all nonvested awards	$ 8,500,000
Weighted average period unrecognized compensation cost is expected to be recognized	2 years 22 days
STIP
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Accrued costs related to the STIP	$ 20,700,000
Reserved shares of common stock for future issuance under the LTIP (in shares)	4.8
JFC LTIP
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Accrued costs related to the STIP	$ 3,400,000
Moy Park Incentive Plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Accrued costs related to the STIP	$ 600,000