FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	Jun. 24, 2012	Dec. 25, 2011
Commodity derivative assets	$ 7,471	$ 2,870
Commodity derivative liabilities	(1,353)	(2,723)
Long-term Debt	(1,230,236)	(1,473,612)
Notes Payable, Related Parties	0	(50,000)
Long-term Debt, Fair Value	(1,261,818)	(1,421,517)
Jbs Usa Holdings, Inc [Member]
Notes Payable, Fair Value Disclosure	0	(50,077)
Future [Member]
Commodity derivative assets	5,123	2,870
Commodity derivative liabilities	(1,353)	(2,120)
Future [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Commodity derivative assets	5,123	2,870
Commodity derivative liabilities	(1,353)	(2,120)
Options Held [Member]
Commodity derivative assets	2,348	0
Commodity derivative liabilities	0	(603)
Options Held [Member] \| Carrying (Reported) Amount, Fair Value Disclosure [Member]
Commodity derivative assets	2,348	0
Commodity derivative liabilities	0	(603)
Short-Term Investments [Member]
Investments in available-for-sale securities, carrying value	156	157
Investments in available-for-sale securities, fair value	156	157
Long Term Investments [Member]
Investments in available-for-sale securities, carrying value	474	497
Investments in available-for-sale securities, fair value	$ 474	$ 497

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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+ Details

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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- Definition

Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

+ References+ Details

- Definition

The amount for notes payable (written promise to pay), due to related parties.

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