Trade Accounts Receivable, Net (Tables)

3 Months Ended

Mar. 31, 2014

Trade Accounts Receivable, Net

Schedule of trade accounts receivable, net

	At March 31,						At December 31,
(in thousands)	2014			2013			2013
Trade accounts receivable	$	117,728		$	105,880		$	92,413
Allowance for doubtful accounts	(870		)	(1,134		)	(945		)
Allowance for sales discounts and returns	(2,699		)	(1,933		)	(1,451		)
	$	114,159		$	102,813		$	90,017