SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2012

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

(in thousands)

Classification	Balance at Beginning of Year		Additions Charged to Operations		Acquired		Write-offs (net)			Balance at End of Year
Allowance for Accounts Receivable Losses
Year Ended:
December 31, 2012	$	2,176	$	1,155	$	—	$	(832	)	$	2,499
December 31, 2011		2,503		95		658		(1,080	)		2,176
December 31, 2010		2,116		388		224		(225	)		2,503