Discontinued Operations (Schedule of Operating Results) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Discontinued Operations [Abstract]
Net sales	$ 184,142	$ 148,587	$ 133,423
Income/(Loss) from operations of discontinued business before tax	16,596	9,497	(2,061)
(Loss) on disposition of discontinued operations			(10,000)
Income tax expense/(benefit)	$ 7,232	$ 3,337	$ (64)