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Summary of Significant Accounting Policies (Details) (USD $) | 12 Months Ended | 0 Months Ended | 1 Months Ended | 12 Months Ended |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 item | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Minimum | Dec. 31, 2013 Maximum | Dec. 31, 2012 PS International | Jan. 28, 2012 PS International | Dec. 31, 2013 PS International | Dec. 31, 2012 PS International item | Jan. 02, 2012 PS International | Sep. 28, 2013 Bakery business Democratic Republic of Congo | Dec. 31, 2010 Bakery business Democratic Republic of Congo
Operations of Seaboard Corporation and its Subsidiaries |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest held by Seaboard Flour LLC and SFC Preferred LLC (Parent Companies) | 75.20% |  |  |  |  |  |  |  |  |  |  |
Principles of Consolidation and Investments in Affiliates |  |  |  |  |  |  |  |  |  |  |  |
Time lag for reporting financial information of certain foreign subsidiaries and affiliates |  |  |  | 1 month | 3 months |  |  |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |  |  |  |  |  |  |  |
Useful Lives |  |  |  | 3 years | 30 years |  |  |  |  |  |  |
Goodwill and Other Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |
Impairment charges | $ 0 |  |  |  |  |  |  |  |  |  |  |
Deferred Grants |  |  |  |  |  |  |  |  |  |  |  |
Deferred Grants | 4,831,000 | 5,231,000 |  |  |  |  |  |  |  |  |  |
Changes in the asset retirement obligation |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | 14,315,000 | 13,109,000 |  |  |  |  |  |  |  |  |  |
Accretion Expense | 1,177,000 | 1,090,000 |  |  |  |  |  |  |  |  |  |
Liability for additional lagoons placed in service | 86,000 | 116,000 |  |  |  |  |  |  |  |  |  |
Ending balance | 15,578,000 | 14,315,000 | 13,109,000 |  |  |  |  |  |  |  |  |
Cash and Cash Equivalents |  |  |  |  |  |  |  |  |  |  |  |
Interest (net of amounts capitalized) | 11,119,000 | 11,674,000 | 6,786,000 |  |  |  |  |  |  |  |  |
Income taxes (net of refunds) | 59,899,000 | 69,760,000 | 126,730,000 |  |  |  |  |  |  |  |  |
Capitalized interest | 221,000 | 1,125,000 | 6,723,000 |  |  |  |  |  |  |  |  |
Supplemental Non-Cash Transactions |  |  |  |  |  |  |  |  |  |  |  |
Non-cash, pay-in-kind interest income and accretion of discount recognized on a note receivable from an affiliate | 13,642,000 | 11,936,000 | 10,584,000 |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  |  |  |  |  |  |  |  |  | 50.00% |
Decrease in investments in and advances to affiliates |  |  |  |  |  |  |  |  |  |  | 26,290,000 |
Increase in long-term notes receivable from affiliates |  |  |  |  |  |  |  |  |  |  | 26,290,000 |
Percentage ownership acquired |  |  |  |  |  |  |  |  |  | 50.00% |  | 50.00%
Ownership after increase (as a percent) |  |  |  |  |  |  | 70.00% |  | 85.00% |  |  |
Number of transactions for acquiring interest in subsidiaries |  |  |  |  |  |  |  |  | 2 |  |  |
Payment to increase ownership interest in affiliate | 515,000 | 3,045,000 |  |  |  | 3,045,000 |  |  |  |  |  |
Cash paid, net of cash acquired |  | 3,186,000 |  |  |  |  | 3,186,000 | 515,000 |  |  |  |
Increase in working capital |  |  |  |  |  |  |  |  |  | 14,209,000 |  |
Increase in fixed assets |  |  |  |  |  |  |  |  |  | 163,000 |  |
Increase in goodwill | 43,218,000 | 43,218,000 |  |  |  |  |  |  |  | 2,590,000 |  |
Increase in intangible assets |  |  |  |  |  |  |  | 515,000 |  | 1,441,000 |  |
Increase in other long-term assets |  |  |  |  |  |  |  |  |  | 96,000 |  |
Increase in non-controlling interest |  |  |  |  |  |  |  |  |  | 2,853,000 |  |
Decrease in investment in and advances to affiliates |  |  |  |  |  |  |  |  |  | $ 9,415,000 |  |
Foreign Currency Transactions and Translation |  |  |  |  |  |  |  |  |  |  |  |
Number of consolidated subsidiaries using local currency as their functional currency | 2 |  |  |  |  |  |  |  |  |  |  |
Number of non-controlled, non-consolidated affiliates using local currency as their functional currency | 9 |  |  |  |  |  |  |  |  |  |  |

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