SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2011

SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS

Allowance for Doubtful Accounts

The transactions in the allowance for doubtful accounts for the years ended December 31, 2011, 2010, and 2009 were as follows (in thousands):

	December 31, 2011			December 31, 2010			December 31, 2009
Balance, beginning of year	$	30,945		$	30,651		$	29,263
Provision		9,052			13,922			16,685
Write-offs		(8,669	)		(13,628	)		(15,297	)
Balance, end of year	$	31,328		$	30,945		$	30,651