Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2013

Accounts Receivable, Net [Abstract]

Schedule Of Accounts Receivable

Accounts receivable consist of the following at December 31:

	2013			2012
Trade customers	$	410,302		$	388,949
Affiliates	315			258
Allowance for doubtful accounts	(11,741		)	(11,172		)
	398,876			378,035
Federal and state taxes	20,820			4,011
Other	8,761			18,113
Accounts receivable, net	$	428,457		$	400,159