Schedule II-Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Valuation And Qualifying Accounts [Abstract]

Schedule II-Valuation and Qualifying Accounts

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

(amounts in thousands)

	Balance at		Charges to				Write-off of			Balance
	beginning		costs and		Acquisitions		uncollectible			at end
Allowance for Doubtful Accounts Receivable:	of period		expenses		of business		accounts			of period
Year ended December 31, 2017	$	410,374	$	869,077	$	-	$	(799,162	)	$	480,289
Year ended December 31, 2016	$	398,797	$	741,578	$	-	$	(730,001	)	$	410,374
Year ended December 31, 2015	$	324,648	$	741,273	$	-	$	(667,124	)	$	398,797

	Balance at		Charges to							Balance
	beginning		costs and			Acquisitions				at end
Valuation Allowance for Deferred Tax Assets:	of period		expenses			of business		Write-offs		of period
Year ended December 31, 2017	$	56,333	$	13,894		$	-	$	-	$	70,227
Year ended December 31, 2016	$	52,567	$	3,766		$	-	$	-	$	56,333
Year ended December 31, 2015	$	52,764	$	(197	)	$	-	$	-	$	52,567