Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2012

Segment Reporting [Abstract]

Net Revenues by Segment

	Three Months Ended						Nine Months Ended
Net Revenues by Segment	September 30,						September 30,
(dollars in thousands)	2012			2011			2012			2011
Net Revenues:
Standard Products	$	60,753		$	61,907		$	180,756		$	193,286
Other Products	2,175			2,337			7,022			6,962
Total net revenues	$	62,928		$	64,244		$	187,778		$	200,248
As a Percentage of Total Net Revenues:
Standard Products	97		%	96		%	96		%	97		%
Other Products	3			4			4			3
Total net revenues	100		%	100		%	100		%	100		%