Trade Accounts Receivable, Net (Tables)

9 Months Ended

Sep. 30, 2013

Trade Accounts Receivable, Net

Schedule of trade accounts receivable, net

	At September 30,						At December 31,
(in thousands)	2013			2012			2012
Trade accounts receivable	$	122,328		$	111,726		$	85,732
Allowance for doubtful accounts	(1,384		)	(1,514		)	(1,288		)
Allowance for sales discounts and returns	(2,049		)	(1,787		)	(1,632		)
	$	118,895		$	108,425		$	82,812