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Allowance for Uncollectible Accounts

12 Months Ended

Dec. 31, 2012

Note 5: Allowance for Uncollectible Accounts

The following table summarizes the changes in the Company’s allowances for uncollectible accounts:


	2012			2011			2010
Balance at January 1	$	(18,905	)	$	(21,128	)	$	(22,199	)
Amounts charged to expense		(26,701	)		(19,952	)		(18,267	)
Amounts written off		22,607			24,741			22,953
Recoveries of amounts written off		(3,875	)		(2,566	)		(3,615	)

Balance at December 31	$	(26,874	)	$	(18,905	)	$	(21,128	)