Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2012

Accounts Receivable, Net [Abstract]

Schedule Of Accounts Receivable

Accounts receivable consist of the following at December 31:

	2012			2011
Trade customers	$	388,949		$	391,401
Affiliates	258			122
Allowance for doubtful accounts	(11,172		)	(10,969		)
	378,035			380,554
Federal and state taxes	4,011			16,113
Other	18,113			10,705
Accounts receivable, net	$	400,159		$	407,372