Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2012

Schedule Of Accounts Receivable

Accounts receivable consist of the following:

	September 30, 2012			December 31, 2011
Trade customers	$	375,389		$	391,401
Affiliates	226			122
Allowance for doubtful accounts	(10,487		)	(10,969		)
	365,128			380,554
Federal and state taxes	13,151			16,113
Other	15,313			10,705
Accounts receivable, net	$	393,592		$	407,372