v2.4.0.6

Accounts Receivable (Tables) | 12 Months Ended
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Dec. 31, 2011
Accounts Receivable [Abstract] |
Schedule Of Accounts Receivable |
|  | 2011 |  |  | 2010 |
Trade customers |  | $ | 391,401 |  |  | $ | 353,035 |
Affiliates |  |  | 122 |  |  |  | 475 |
Allowance for doubtful accounts |  |  | (10,969 | ) |  |  | (9,710 | )
|  |  | 380,554 |  |  |  | 343,800 |
Federal and state taxes |  |  | 16,113 |  |  |  | 15,499 |
Other |  |  | 10,705 |  |  |  | 3,564 |
Accounts receivable, net |  | $ | 407,372 |  |  | $ | 362,863 |

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- Definition Tabular disclosure of the various categories of receivables, including trade and other receivables, and for each the gross carrying value, allowance (if appropriate), and net carrying value as of the balance sheet date. + References No definition available. + Details
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