FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	Sep. 23, 2012		Dec. 25, 2011		Sep. 23, 2012 Jbs Usa Holdings, Inc [Member]	Dec. 25, 2011 Jbs Usa Holdings, Inc [Member]	Sep. 23, 2012 Future [Member]		Dec. 25, 2011 Future [Member]		Sep. 23, 2012 Future [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member]		Dec. 25, 2011 Future [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member]		Sep. 23, 2012 Options Held [Member]		Dec. 25, 2011 Options Held [Member]		Sep. 23, 2012 Options Held [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member]		Dec. 25, 2011 Options Held [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member]		Sep. 23, 2012 Forward Contracts [Member]		Dec. 25, 2011 Forward Contracts [Member]		Dec. 25, 2012 Forward Contracts [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member]		Sep. 23, 2012 Forward Contracts [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member]		Sep. 23, 2012 Short-term Investments [Member]	Dec. 25, 2011 Short-term Investments [Member]	Sep. 23, 2012 Long Term Investments [Member]	Dec. 25, 2011 Long Term Investments [Member]
Short-term investments in available-for-sale securities																															$ 0	$ 157	$ 0	$ 497
Commodity derivative assets	7,689	[1]	2,870	[1]			7,689	[1]	2,870	[1]	7,689	[1]	2,870	[1]
Long-term investments in available-for-sale securities																															0	157	0	497
Commodity derivative liabilities	(1,106)		(2,723)				(1,106)	[2]	(2,120)	[2]	(1,106)	[2]	(2,120)	[2]	0	[2]	(603)	[2]	0	[2]	(603)	[2]
Long-term Debt	(1,166,746)	[3]	(1,473,612)	[3]
Notes Payable, Related Parties	0		(50,000)
Long-term Debt, Fair Value	(1,177,769)		(1,421,517)
Notes Payable, Fair Value Disclosure					0	(50,077)
Foreign currency derivative liabilities:
Forwards	$ (266)	[4]	$ 0	[4]																			$ (266)	[4]	$ 0	[4]	$ 0	[4]	$ (266)	[4]

[1] Commodity derivative assets are included in Prepaid expenses and other current assets on the Condensed Consolidated Balance Sheet.

[2] Commodity derivative liabilities are included in Accrued expenses and other current liabilities on the Condensed Consolidated Balance Sheet.

[3] The fair values of the Company's long-term debt and other borrowing arrangements were estimated by calculating the net present value of future payments for each debt obligation or borrowing by: (i) using a risk-free rate applicable for an instrument with a life similar to the remaining life of each debt obligation or borrowing plus the current estimated credit risk spread for the Company or (ii) using the quoted market price at September 23, 2012 or December 25, 2011, as applicable.

[4] Foreign currency derivative liabilities are included in Accrued expenses and other current liabilities on the Condensed Consolidated Balance Sheet.