Schedule II-Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Schedule II-Valuation and Qualifying Accounts [Abstract]

Schedule II-Valuation and Qualifying Accounts

Schedule II-Valuation and Qualifying Accounts

(in thousands)

			Additions
	Balance at		Charged to
	Beginning of		Operations or			Write-offs, net			Balance at
	Period		Other Accounts			of recoveries			End of Period
Allowance for Doubtful Accounts:
Year Ended December 31, 2011	$	949	$	(282	)	$	(171	)	$	496
Year Ended December 31, 2010	$	1,853	$	(685	)	$	(219	)	$	949
Year Ended December 31, 2009	$	2,213	$	(87	)	$	(273	)	$	1,853