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Notes Payable, Long-Term Debt, Commitments and Contingencies (USD $) | 0 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 19, 2012 item | Mar. 30, 2013 | Mar. 31, 2012 | Dec. 31, 2012 | Mar. 30, 2013 Notes payable to bank | Mar. 30, 2013 Committed bank line | Feb. 20, 2013 Committed bank line | Mar. 30, 2013 Uncommitted bank lines | Mar. 30, 2013 IDRBs | Dec. 31, 2012 IDRBs
Notes Payable, Long-Term Debt, Commitments and Contingencies |  |  |  |  |  |  |  |  |  |
Number of search warrants executed authorizing the seizure of certain records from Seaboard's offices in Merriam, Kansas and at the Seaboard Foods employment office and the human resources department in Guymon, Oklahoma. | 3 |  |  |  |  |  |  |  |  |
Number of civil or criminal proceedings or charges filed | 0 |  |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |  |  |
Current maturities of long-term debt |  |  |  |  |  |  |  |  | $ 10,800,000 | $ 13,000,000
Maximum capacity |  |  |  |  |  |  | 200,000,000 |  |  |
Minimum net worth base requirement after debt refinancing |  |  |  | 1,870,445,000 |  |  |  |  |  |
Percentage of consolidated net income added to net worth base amount after debt refinancing |  |  |  | 25.00% |  |  |  |  |  |
Base amount used to calculate maximum dividend allowed after debt refinancing |  |  |  | 25,000,000 |  |  |  |  |  |
Sum of subsidiary indebtedness and priority indebtedness as a percentage of consolidated tangible net worth after debt refinancing, maximum |  |  |  | 20.00% |  |  |  |  |  |
Payments of long-term debt |  | 13,131,000 | 112,000 |  |  |  |  |  | 13,000,000 |
Letters of credit outstanding |  |  |  |  |  | 39,960,000 |  | 3,744,000 |  |
Letters of credit for outstanding Industrial Development Revenue Bonds |  |  |  |  |  |  |  |  | 18,397,000 |
Letters of credit related to various insurance coverage |  |  |  |  | $ 21,801,000 |  |  |  |  |

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