INCOME TAXES (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Effective tax rate	26.10%	25.70%	26.90%
Impact on effective tax rate for change in reserve for unrecognized tax benefits	2.60%
Increase in valuation allowance	$ 7,400
Valuation allowance	33,522	$ 26,150
Valuation allowance, U.S. foreign tax credits	11,700
Valuation Allowance, state operating losses	1,000
Other comprehensive income, tax expense (benefit)	(733)	(1,627)	$ 3,715
Tax effect from excess tax benefits	(800)
Unrecognized tax benefits	12,776	$ 12,412	$ 11,866
Amount of tax benefits that, if recognized, would reduce effective tax rate	1,200
Liability for interest and penalties	2,300
Increase in accrued interest and penalty amounts related to uncertain tax positions	800
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards	79,800
Tax credit carry forwards	3,700
Moy Park
Operating Loss Carryforwards [Line Items]
Valuation allowance, business combinations	12,600
Tulip Ltd. and Subsidiaries
Operating Loss Carryforwards [Line Items]
Valuation allowance, business combinations	8,200
Mexican Tax Authority | Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards	10,200
U.K. Tax Authority | Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carry forwards	$ 175,200