Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Intra-segment sales elimination to conform to current presentation		$ 8,207		$ 14,698
Net revenues [Abstract]
Total	110,510	110,760	217,668	218,147
Operating segment income (loss) [Abstract]
Operating income (loss)	5,822	(1,188)	7,562	(2,807)
Interest expense, net	(1,114)	(908)	(2,183)	(1,734)
Income (loss) from continuing operations before income taxes	4,708	(2,096)	5,379	(4,541)
Americas [Member]
Net revenues [Abstract]
Total	83,411	83,998	166,176	164,981
Operating segment income (loss) [Abstract]
Operating income (loss)	15,523	10,388	27,385	18,306
Europe [Member]
Net revenues [Abstract]
Total	19,975	21,197	39,656	43,589
Operating segment income (loss) [Abstract]
Operating income (loss)	535	484	334	1,907
Asia Pacific [Member]
Net revenues [Abstract]
Total	11,342	10,310	21,048	18,430
Operating segment income (loss) [Abstract]
Operating income (loss)	1,377	827	1,724	941
Intersegment Revenue Elimination [Member]
Net revenues [Abstract]
Total	(4,218)	(4,745)	(9,212)	(8,853)
Corporate [Member]
Operating segment income (loss) [Abstract]
Operating income (loss)	$ (11,613)	$ (12,887)	$ (21,881)	$ (23,961)