ACCOUNTS RECEIVABLE AND RELATED ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)

12 Months Ended

Dec. 31, 2012

Receivables [Abstract]

Schedule of accounts receivable balances and reserve for doubtful amount

	Net Accounts Receivable
	December 31,
	2012		2011
	(amounts in thousands)
Accounts receivable	$	73,658	$	72,372
Allowance for doubtful accounts		(2,703)		(3,319)
Accounts receivable, net of allowance for doubtful accounts	$	70,955	$	69,053

Schedule of changes in allowance for doubtful accounts

Changes In Allowance For Doubtful Accounts
			Additions
	Balance At		Charged To		Deductions		Balance At
	Beginning		Costs And		From		End Of
Year Ended	Of Year		Expenses		Reserves		Year
	(amounts in thousands)
December 31, 2012	$	3,319	$	390	$	(1,006)	$	2,703
December 31, 2011		3,127		1,672		(1,480)		3,319
December 31, 2010		3,299		990		(1,162)		3,127