RELATED PARTY TRANSACTIONS (Schedule of Related Party Transactions) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014	Dec. 28, 2014	Oct. 26, 2011
Related Party Transaction [Line Items]
Accounts payable to related parties	$ 10,402		$ 10,402		$ 4,862
JBS USA [Member]
Related Party Transaction [Line Items]
Letter of credit fees	317	$ 335	950	$ 1,005
JBS USA, LLC [Member]
Related Party Transaction [Line Items]
Purchases from related parties	28,765	31,994	83,059	85,333
Expenditures paid	11,514	2,099	28,483	21,013
Sales to related party	5,197	2,763	17,442	36,234
Accounts payable to related parties	10,400		10,400		4,800
Account receivable from related parties	2,500		2,500		$ 1,400
Goods in transit	1,700		1,700
JBS USA, LLC [Member] | Expenses Paid By Company On Behalf Of Related Party [Member]
Related Party Transaction [Line Items]
Expenditures paid	519	891	2,548	2,197
JBS Chile Ltda. [Member]
Related Party Transaction [Line Items]
Sales to related party	35	0	269	0
JBS Global (UK) Ltd. [Member]
Related Party Transaction [Line Items]
Sales to related party	18	$ 0	49	$ 0
Letter of Credit [Member] | JBS USA [Member]
Related Party Transaction [Line Items]
Debt issued						$ 56,500
Agreed repayment of debt						$ 56,500
Letter of Credit [Member] | JBS USA, LLC [Member]
Related Party Transaction [Line Items]
Repayments of lines of credit			700
Accounts payable to related parties	$ 100		$ 100