RELATED PARTY TRANSACTIONS (Narrative) (Details) (USD $)	1 Months Ended	6 Months Ended				12 Months Ended	6 Months Ended		12 Months Ended		1 Months Ended		12 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended
	Mar. 31, 2012	Jun. 30, 2013	Dec. 30, 2012	Jun. 30, 2013 JBS USA, LLC [Member]	Dec. 30, 2012 JBS USA, LLC [Member]	Dec. 30, 2012 JBS USA, LLC [Member] Payments Towards Reimbursement Of Expenses [Member]	Jun. 30, 2013 JBS USA [Member] Letter Of Credit [Member]	Oct. 26, 2011 JBS USA [Member] Letter Of Credit [Member]	Dec. 30, 2012 JBS USA [Member] Payments To Procure Licenses and Services [Member]	Jun. 30, 2013 JBS USA [Member] Payments To Procure Licenses and Services [Member]	Mar. 31, 2012 JBS USA [Member] Subordinated Loan [Member]	Jan. 31, 2012 JBS USA [Member] Subordinated Loan [Member]	Dec. 31, 2011 JBS USA [Member] Subordinated Loan [Member]	Jun. 23, 2011 JBS USA [Member] Subordinated Loan [Member]	Dec. 30, 2012 Former Founder Director [Member]	Dec. 28, 2009 Former Founder Director [Member] Directors Compensation Per Annum As Per Agreement [Member]	Dec. 30, 2012 Former Founder Director [Member] Compensation Paid To Former Founder Director [Member]
Related Party Transaction [Line Items]
Number of shares sold by the Founder Director and certain entities related to the Founder Director to JBS USA.	18,924,438
Percentage Of Beneficial Ownership By Holding Company		75.50%
Credit Facility Availed														$ 100,000,000
Debt Instrument, Face Amount								56,500,000						50,000,000
Debt Instrument, Interest Rate During Period													9.845%
Repayments of Debt											50,000,000	50,000,000
Interest paid (net of amount capitalized)											3,500,000
Agreed Repayment Of Debt								56,500,000
Fees owed for carrying line of credit							200,000
Accounts payable to JBS USA, LLC		5,793,000	13,436,000	5,800,000	13,400,000					4,500,000
Accounts receivable from JBS USA, LLC		3,892,000	1,514,000	3,900,000	1,500,000
Other Inventory, in Transit, Gross				900,000
Related Party Transaction, Amounts of Transaction						31,800,000			900,000						300,000	1,500,000	400,000
Number Of Years To Be Compensated As Per Agreement With Director																5 years
Repayments Of Lines Of Credit Fees							$ 1,200,000