Trade Accounts Receivable, Net (Tables)

6 Months Ended

Jun. 30, 2011

Trade Accounts Receivable, Net

Schedule of trade accounts receivable, net

At June 30,					At December 31,
(in thousands)	2011			2010			2010
Trade accounts receivable	$	121,414		$	107,910		$	70,781
Allowance for doubtful accounts	(1,500		)	(1,506		)	(1,344		)
Allowance for sales discounts and returns	(1,939		)	(2,120		)	(1,181		)
	$	117,975		$	104,284		$	68,256