RELATED PARTY TRANSACTIONS (Schedule of Related Party Transactions) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 29, 2019
Related Party Transaction [Line Items]
Sales to related party	$ 4,835	$ 3,949	$ 13,106	$ 11,364
Cost of goods purchased from related parties	30,518	38,631	107,652	110,970
Expenditures paid by related party on behalf of Pilgrim's Pride Corporation	6,432	7,919	28,407	26,041
Expenditures paid on behalf of related parties	6,689	1,675	13,315	5,654
Accounts receivable from related parties	616		616		$ 944
Accounts payable to related parties	5,752		5,752		3,819
JBS USA Food Company
Related Party Transaction [Line Items]
Sales to related party	3,768	3,799	10,315	10,968
Cost of goods purchased from related parties	27,657	31,270	100,467	94,511
Expenditures paid by related party on behalf of Pilgrim's Pride Corporation	6,429	7,919	28,402	26,028
Expenditures paid on behalf of related parties	6,689	1,675	13,315	5,654
Accounts receivable from related parties	531		531		643
Accounts payable to related parties	4,778		4,778		2,826
Goods in transit	1,300		1,300
JBS Global (U.K.) Ltd.
Related Party Transaction [Line Items]
Sales to related party	0	32	0	118
Cost of goods purchased from related parties	224	0	669	0
Accounts payable to related parties	0		0		5
JBS Chile Ltda.
Related Party Transaction [Line Items]
Sales to related party	114	0	70	132
Expenditures paid by related party on behalf of Pilgrim's Pride Corporation	0	0	0	6
Accounts receivable from related parties	33		33		301
Combo, Mercado de Congelados
Related Party Transaction [Line Items]
Sales to related party	293	118	780	146
Accounts receivable from related parties	10		10		0
JBS Australia Pty. Ltd.
Related Party Transaction [Line Items]
Sales to related party	660	0	1,941	0
Accounts receivable from related parties	42		42		0
Seara Meats B.V.
Related Party Transaction [Line Items]
Cost of goods purchased from related parties	2,637	7,297	6,360	16,187
Accounts payable to related parties	974		974		$ 988
JBS Toledo NV
Related Party Transaction [Line Items]
Cost of goods purchased from related parties	0	64	156	272
Seara Food Europe Holdings
Related Party Transaction [Line Items]
Expenditures paid by related party on behalf of Pilgrim's Pride Corporation	3	0	5	0
Seara Alimentos
Related Party Transaction [Line Items]
Expenditures paid by related party on behalf of Pilgrim's Pride Corporation	$ 0	$ 0	$ 0	$ 7

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