Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

Net Revenues by Segment

	Three Months Ended						Six Months Ended
Net Revenues by Segment	June 30,						June 30,
(in thousands)	2013			2012			2013			2012
Net Revenues:
Standard Products	$	57,319		$	61,204		$	115,284		$	120,003
Other Products	1,852			2,495			3,620			4,847
Total net revenues	$	59,171		$	63,699		$	118,904		$	124,850
As a Percentage of Total Net Revenues:
Standard Products	97		%	96		%	97		%	96		%
Other Products	3			4			3			4
Total net revenues	100		%	100		%	100		%	100		%