Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2013

Schedule Of Accounts Receivable

Accounts receivable consist of the following:

	June 30, 2013			December 31, 2012
Trade customers	$	441,840		$	388,949
Affiliates	310			258
Allowance for doubtful accounts	(9,834		)	(11,172		)
	432,316			378,035
Federal and state taxes	29,802			4,011
Other	13,520			18,113
Accounts receivable, net	$	475,638		$	400,159