RELATED PARTY TRANSACTIONS - Schedule of Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 27, 2020	Dec. 29, 2019	Dec. 30, 2018
Related Party Transaction [Line Items]
Sales to related party	$ 17,880	$ 14,938	$ 21,158
Cost of goods purchased from related parties	151,582	158,064	155,408
Expenditures by related parties	39,034	32,244	62,222
Expenditures paid on behalf of related parties	16,266	9,103	9,407
Total other related party transactions	650	0	525
Accounts receivable from related parties	1,084	944
Accounts payable to related parties	9,650	3,819
JBS USA Food Company
Related Party Transaction [Line Items]
Sales to related party	14,228	14,108	13,843
Cost of goods purchased from related parties	142,615	134,790	117,596
Expenditures by related parties	39,025	32,161	62,189
Expenditures paid on behalf of related parties	16,266	9,103	9,192
Accounts receivable from related parties	714	643
Accounts payable to related parties	8,562	2,826
Goods in transit	1,500
JBS Five Rivers
Related Party Transaction [Line Items]
Sales to related party	0	0	7,096
JBS Global (UK) Ltd.
Related Party Transaction [Line Items]
Sales to related party	0	141	0
Cost of goods purchased from related parties	674	170	21
Accounts payable to related parties	5	5
JBS Chile Ltda.
Related Party Transaction [Line Items]
Sales to related party	225	482	60
Expenditures by related parties	0	6	33
Accounts receivable from related parties	0	301
Accounts payable to related parties	8	0
Combo, Mercado de Congelados
Related Party Transaction [Line Items]
Sales to related party	887	207	159
JBS Australia Pty. Ltd.
Related Party Transaction [Line Items]
Sales to related party	2,540	0	0
Accounts receivable from related parties	370	0
Seara Meats B.V.
Related Party Transaction [Line Items]
Cost of goods purchased from related parties	8,138	22,797	36,223
Accounts payable to related parties	1,075	988
JBS Aves Ltda.
Related Party Transaction [Line Items]
Cost of goods purchased from related parties	0	0	1,123
JBS Toledo NV
Related Party Transaction [Line Items]
Cost of goods purchased from related parties	155	307	445
Seara Food Europe Holdings
Related Party Transaction [Line Items]
Expenditures by related parties	9	77	0
JBS S.A.
Related Party Transaction [Line Items]
Expenditures paid on behalf of related parties	0	0	170
Seara International Ltd.
Related Party Transaction [Line Items]
Expenditures paid on behalf of related parties	0	0	45
Capital contribution (distribution) under tax sharing agreement
Related Party Transaction [Line Items]
Total other related party transactions	$ 650	$ 0	$ 525

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