Schedule II Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2013

Valuation And Qualifying Accounts Abstract

Schedule Of Valuation And Qualifying Accounts Disclosure

				Additions				Deductions
		Balance at		Charged to		Charged to		Charge-off		Balance
		Beginning		Cost and		Other		Against		at End of
		of Period		Expenses		Accounts (1)		Allowances		Period
Allowance for uncollectible accounts included under
	the balance sheet caption “Accounts receivable”:
Year ended December 31, 2013		$	22,379	$	21,983	$	6,410	$	(22,910)	$	27,862
Year ended December 31, 2012		$	18,844	$	20,340	$	4,561	$	(21,366)	$	22,379
Year ended December 31, 2011		$	13,070	$	18,501	$	3,967	$	(16,694)	$	18,844