BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) lb in Millions, bird / WK in Millions	12 Months Ended
	Dec. 29, 2019 USD ($) employee bird / WK pig / WK state grower country lb	Dec. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 08, 2017 bird / WK
Property, Plant and Equipment [Line Items]
Number of countries to which the company exports products | country	110
Number of states in which entity operates | state	14
Advertising costs | $	$ 26,500,000	$ 20,800,000	$ 18,500,000
Research and development costs | $	5,100,000	4,000,000.0	$ 3,700,000
Impairment of intangible assets | $	$ 0	$ 0
Non-compete agreement
Property, Plant and Equipment [Line Items]
Intangible assets, estimated useful life	3 years
Minimum
Property, Plant and Equipment [Line Items]
Estimated closing costs, percent of asset fair value	4.00%
Minimum | Trade names
Property, Plant and Equipment [Line Items]
Intangible assets, estimated useful life	3 years
Minimum | Non-compete agreement
Property, Plant and Equipment [Line Items]
Intangible assets, estimated useful life	3 years
Minimum | Customer relationships
Property, Plant and Equipment [Line Items]
Intangible assets, estimated useful life	5 years
Minimum | Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	5 years
Minimum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	5 years
Minimum | Automobiles and trucks
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	10 years
Maximum
Property, Plant and Equipment [Line Items]
Estimated closing costs, percent of asset fair value	6.00%
Maximum | Trade names
Property, Plant and Equipment [Line Items]
Intangible assets, estimated useful life	20 years
Maximum | Non-compete agreement
Property, Plant and Equipment [Line Items]
Intangible assets, estimated useful life	20 years
Maximum | Customer relationships
Property, Plant and Equipment [Line Items]
Intangible assets, estimated useful life	16 years
Maximum | Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	33 years
Maximum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, estimated useful life	33 years
Moy Park
Property, Plant and Equipment [Line Items]
Number of employees | employee	10,200
Maximum processing capacity, more than (number of birds per week) | bird / WK				6.1
Percentage of equity acquired				100.00%
JBS S.A.
Property, Plant and Equipment [Line Items]
Ownership percentage	78.31%
Chicken
Property, Plant and Equipment [Line Items]
Number of employees | employee	53,100
Maximum processing capacity, more than (number of birds per week) | bird / WK	45.3
Number of pounds of live product processed annually, more than | lb	13,000.0
Number of contract growers that supply poultry | grower	4,900
Pork
Property, Plant and Equipment [Line Items]
Number of employees | employee	5,400
Maximum processing capacity, more than (number of birds per week) | pig / WK	46,200
Number of pounds of live product processed annually, more than | lb	443.0
Number of contract growers that supply poultry | grower	280