Members Capital [Member] Equity Components [Axis] Stock Options [Member] Phantom Class A units [Member] Phantom Class A units [Member] Phantom Class B units [Member] Phantom Class B units [Member] Class B Units [Member] Class of Stock [Axis] Class A Units [Member] Statement [Table] Statement [Line Items] Entity Registrant Name Trading Symbol Document Type Document Period End Date Amendment Flag Entity Central Index Key Current Fiscal Year End Date Entity Common Stock, Shares Outstanding Entity Filer Category Entity Current Reporting Status Entity Voluntary Filers Entity Well-known Seasoned Issuer Document Fiscal Year Focus Document Fiscal Period Focus Entity Public Float Statement of Financial Position [Abstract] Assets Current assets: Cash and cash equivalents Due from affiliates Other receivables Restricted cash Other current assets Total current assets Property, plant, and equipment, at cost Less accumulated depreciation Net property, plant, and equipment Investment in National Beef Packing Company, LLC Other assets Total assets Liabilities and Capital Shares and Equities Current liabilities: Accounts payable - trade Due to affiliates Accrued compensation and benefits Other accrued expenses and liabilities Patronage notices payable Distributions payable Total current liabilities Long-term liabilities: Other liabilities Total long-term liabilities Total liabilities Commitments and contingencies Capital shares and equities: Members' capital, 735,385, 755,385 authorized, issued and outstanding Total capital shares and equities Total liabilities and capital shares and equities Members' capital, units authorized Members' capital, units issued Members' capital, units outstanding Net sales Costs and expenses: Cost of sales Selling, general, and administrative expenses Depreciation and amortization Total costs and expenses Operating loss Other income (expense): Interest income Interest expense Equity in (loss) income of National Beef Packing Company, LLC Other, net Total other (expense) income (Loss) income before taxes Income tax expense Net (loss) income (Loss) earnings per unit: Basic Diluted Outstanding weighted-average Class A and Class B units: Basic Diluted Statement of Comprehensive Income [Abstract] Net (loss) income Other comprehensive income (expense): Comprehensive (loss) income Increase (Decrease) in Partners' Capital [Roll Forward] Balance Allocation of net income Partner distributions Tax year 2012 over distribution Tax year 2013 distribution Balance Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net (loss) income to net cash provided by operating activities: Equity in (loss) income of National Beef Packing Company, LLC Distribution from National Beef Changes in assets and liabilities (net of acquisition): Due from affiliates Other receivables Other assets Accounts payable Due to affiliates Accrued compensation and benefits Other accrued expenses and liabilities Net cash (used in) provided by operating activities Cash flows from investing activities: Capital expenditures, including interest capitalized Proceeds from sale of majority interest in National Beef Packing Co., LLC, net Distributions from National Beef Packing Company, LLC Additional minority interest acquired in National Beef Packing Company, LLC Net cash provided by (used in) investing activities Cash flows from financing activities: Payments of patronage notices Change in overdraft balances Prior year excess distribution Partnership distributions and redemptions Net cash (used in) provided by financing activities Effect of exchange rate changes on cash Net increase (decrease) in cash Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental cash disclosures: Cash paid during the period for interest Cash paid during the period for taxes, net Description of Business Description of Business Basis of Presentation and Accounting Policies Basis of Presentation and Accounting Policies Long Term Debt and Loan Agreements Long Term Debt and Loan Agreements Employee Options and Benefit Plans Employee Options and Benefit Plans Other Income {1} Other Income Income Taxes: Income Taxes Related Party Transactions Related Party Transactions Fair Value Measurements Fair Value Measurements Capital Shares and Equities Capital Shares and Equities Legal Proceedings Legal Proceedings Business Segments Business Segments Quarterly Results (Unaudited) Quarterly Results (Unaudited) Accounting Policies: Basis of Presentation and Consolidation Fiscal Year Use of Estimates Cash and Cash Equivalents Restricted Cash Investment in National Beef Packing Company, LLC Property, Plant and Equipment Overdraft Balances Income Tax Selling, General and Administrative Noncompetition Payments Earnings Per Unit Basis of Presentation and Accounting Policies {2} Schedule of Property Plant And Equipment Estimated Useful Life Schedule of cost and accumulated depreciation for property, plant, and equipment Schedule (Loss) income Per Unit Calculation Selected quarterly financial data for fiscal years Schedule of selected quarterly financial data for fiscal years Description of Business Details: Farmland National Beef Packing Co., L.P. (FNB) Percentage membership owned by company Percentage of additional membership owned by company Farmland Industries, Inc. (Farmland) Remaining total percentage membership owned by company Description of Business Details Textual: Leucadia to purchase of the membership interests in NBP Leucadia to purchase of the membership interests in NBP from the Company National Interests from NBPCo Percent National Interests from NBPCo for value Pursuant to pre-existing put rights, NBP to purchase from TKK and TMKCo Leucadia to sell to TMK Holdings Leucadia to sell to TMK Holdings of the National Interests Leucadia Transaction, the parties owned the following percentage membership interests in NBP: Leucadia USPB NBPCo TMK Holdings Basis of Presentation and Accounting Policies Property, Plant, and Equipment Estimated useful life Buildings and improvements Machinery and equipment Furniture and fixtures Trailers and automotive equipment Summary of cost and accumulated depreciation for property, plant, and equipment Land and improvements Building and improvements Machinery and equipment Furniture and fixtures Trailers and automotive equipment Construction in process Total property, plant, and equipment, at cost Accumulated depreciation Property, plant, and equipment, net Basic income (loss) per unit Income (loss) attributable to USPB available to unitholders (numerator) Weighted average outstanding units (denominator) Per unit amount Diluted income (loss) per unit: Weighted average outstanding Effect of dilutive securities Weighted average outstanding units (denominator) Per unit amount Long Term Debt and Loan Agreements Master Loan Agreement Revolving Term Loan Supplement provide for revolving credit commitment Reduction of line of credit Available revolving credit commitment Long Term Debt and Loan Agreements Capital and Operating Leases Rent expense associated with operating leases Number of shares issued to CEO Exercise price of shares issued Number of stock options issued to CEO Exercise price of shares converted into unit Number of shares exercised by CEO Exercise price of shares exercised by CEO Other Income and Expenses Details Other non-operating income, net Income tax expense includes the following Capital Shares and Equities Class Units: Number of convertible securities available for transfer: Class A units Class B units Limited liability company agreement Class A units Percentage of profits and losses to receive distributions of net cash flow on pro rata basis Class B units Percentage of profits and losses to receive distributions of net cash flow on pro rata basis Quarterly Results Details Operating loss Net (Loss) Income Attributable to USPB Basic (Loss) Earnings Per Class A Per unit amount Class B Per unit amount Diluted (Loss) Earnings Per Class A Class B Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. The number of limited liability company units issued. The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. The number of limited liability company units issued. Distributions from equity method investments classified as operating activities. Total amount of distributions payable. Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the noncurrent portion of the liabilities due after one year (or the normal operating cycle, if longer). This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This represents the exercise price of converted shares in unit. This represents the exercise price of shares issued to CEO. This represents the exercise price of shares issued. Leucadia Percentage of purchase arrangement in which the entity has agreed Amount of purchase of the membership interests in NBP from the Company Leucadia to sell to TMK Holdings in percent Leucadia to sell to TMK Holdings of the National Interests National Interests from NBPCo for value National Interests from NBPCo Percent NBPCo Number of shares exercised to CEO. Number of shares issued to CEO. Number of stock options issued to CEO. Disclosure of accounting policy for overdraft balances. Total of patronage notice payable in cash. The cash outflow for patronage notices. The percentage of additional ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Percentage of profits and losses to receive distributions of net cash flow on pro rata basis Percentage of profits and losses to receive distributions of net cash flow on pro rata basis Phantom Class A Units [Member]. Phantom Class A Units [Member]. Phantom Class B Units [Member]. Phantom Class B Units [Member]. The cash inflow from prior year excess distribution. This is a cash inflow associated with the sale of a majority of the ownership interests of a subsidiary. Tabular disclosure of useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Pursuant to pre-existing put rights, NBP to purchase from TKK and TMKCo The percentage of ownership owned by associate company of common stock or equity participation in the investee accounted for under the equity method of accounting. Stock Options [Member]. TMK Holdings Total of all Liabilities and Capital Shares and Equities items, including the portion of equity attributable to noncontrolling interests. Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. USPB Class B Units [Member]. Class A Units [Member]. Tax year 2012 over distribution. Tax year 2013 over distribution. Property, plant, and equipment are depreciated principally on a straight-line basis over the estimated useful life. Property, plant, and equipment are depreciated principally on a straight-line basis over the estimated useful life. Property, plant, and equipment are depreciated principally on a straight-line basis over the estimated useful life. Property, plant, and equipment are depreciated principally on a straight-line basis over the estimated useful life. Post employment payments provided for in former CEO’s employment agreement. PhantomClassAUnits1Member PhantomClassBUnits1Member Assets, Current Property, Plant and Equipment, Net Assets [Default Label] Liabilities, Current Liabilities, Noncurrent Liabilities Stockholders' Equity Attributable to Parent TotalLiabilitiesAndCapitalSharesAndEquities Costs and Expenses Interest Expense Other Operating Income (Expense), Net Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income Tax Expense (Benefit) Weighted Average Limited Partnership Units Outstanding, Diluted Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Partners' Capital Increase (Decrease) in Due from Affiliates, Current Increase (Decrease) in Other Receivables Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Due to Affiliates, Current Increase (Decrease) in Employee Related Liabilities Increase (Decrease) in Other Accrued Liabilities Net Cash Provided by (Used in) Operating Activities Payments to Acquire Property, Plant, and Equipment ProceedsFromSaleOfMajorityInterestInSubsidiary Payments to Acquire Additional Interest in Subsidiaries Net Cash Provided by (Used in) Investing Activities PaymentsOfPatronageNotices Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Business Description and Basis of Presentation [Text Block] Basis of Presentation and Significant Accounting Policies [Text Block] Long-term Debt [Text Block] Compensation and Employee Benefit Plans [Text Block] Related Party Transactions Disclosure [Text Block] Fair Value Disclosures [Text Block] Stockholders' Equity Note Disclosure [Text Block] Legal Matters and Contingencies [Text Block] Segment Reporting Disclosure [Text Block] Quarterly Financial Information [Text Block] Investment, Policy [Policy Text Block] Machinery and Equipment, Gross Furniture and Fixtures, Gross Leasehold Improvements, Gross TotalPropertyPlantAndEquipmentAtCost PropertyPlantAndEquipmentNet1 NumberOfSharesIssuedToCeo ExercisePriceOfSharesIssued NumberOfStockOptionsIssuedToCeo ExercisePriceOfSharesConvertedIntoUnit NumberOfSharesExercisedByCeo ExercisePriceOfSharesExercisedByCeo ClassAUnitsAbstract ClassBUnitsAbstract PercentageOfProfitsAndLossesToReceiveDistributionsOfNetCashFlowOnProRataBasis1