Class A Units [Member] Class of Stock [Axis] Class B Units [Member] Phantom Share Units (PSUs) [Member] Antidilutive Securities [Axis] National Beef Packing Company, LLC [Member] Legal Entity [Axis] Statement [Table] Statement [Line Items] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity a Well-known Seasoned Issuer Entity a Voluntary Filer Entity's Reporting Status Current Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] Assets Current assets: Cash and cash equivalents Due from affiliates 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 interest in net loss of National Beef Packing Company, LLC Other, net Loss before taxes Income tax expense Net loss Loss per unit: Basic Diluted Outstanding weighted-average Class A and Class B units: Basic Diluted Statement of Cash Flows [Abstract] Cash flows from operating activities: Net loss Adjustments to reconcile net (loss) income to net cash provided by operating activities: Equity in losses of National Beef Packing Company, LLC Changes in assets and liabilities: 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 operating activities Cash flows from investing activities: Release of escrowed funds related to the 2011 transaction with Leucadia Net cash provided by investing activities Cash flows from financing activities: Change in overdraft balances Prior year excess distribution Member distributions Net cash used in financing activities Net (decrease) increase in cash Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Organization, Consolidation and Presentation of Financial Statements [Abstract] Interim Financial Statements Members' Equity [Abstract] Members' Capital Limited Liability Company (LLC) Members' Equity [Abstract] Loss Attributable to USPB Per Unit Investments in and Advances to Affiliates, Schedule of Investments [Abstract] Investment in National Beef Packing Company, LLC Schedule of Reconciliation of Members' Capital Schedule of Income (Loss) Per Unit Calculation Schedule of Operations for NBP Basis of Presentation Details: Leucadia to purchase of the membership interests in NBP Remaining membership interests in National Beef Packing Company, LLC (NBP) Beginning balance Allocation of net income (loss) Ending balance Schedule of Stock by Class [Table] Class of Stock [Line Items] Ownership percentage Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities Payment for phantom appreciation rights 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 Weighted average outstanding units (denominator) Effect of dilutive securities Per unit amount Schedule of Investments [Table] Schedule of Investments [Line Items] Total costs and expenses Operating loss Other income (expense): Loss before taxes Net loss NBP's net income attributable to USPB Total of patronage notice payable in cash. 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). Total of all Liabilities and Capital Shares and Equities items, including the portion of equity attributable to noncontrolling interests. 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. The cash inflow from prior year excess distribution. Class A Units [Member] Class B Units [Member] The entire tabular disclosure for beginning balance of members capital changes during the year and ending balance. Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends, if any. Percentage of purchase arrangement in which the entity has agreed Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction. Payments for phantom appreciation rights during the period. National Beef Packing Company, LLC [Member] The entire tabular disclosure for beginning balance of members capital changes during the year and ending balance. Assets, Current Property, Plant and Equipment, Net Assets [Default Label] Liabilities, Current Liabilities, Noncurrent Liabilities Stockholders' Equity Attributable to Parent TotalLiabilitiesAndCapitalSharesAndEquities Interest Expense Income Tax Expense (Benefit) Weighted Average Limited Partnership Units Outstanding, Diluted 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 Net Cash Provided by (Used in) Investing Activities Payments of Capital Distribution Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Investments in and Advances to Affiliates, Schedule of Investments [Text Block] Nonoperating Income (Expense) [Abstract] Net Income (Loss) Attributable to Parent