Discontinued Operations (Schedule of Operating Results) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales		$ 49,760	$ 19,774	$ 155,990
Income from operations of discontinued business before tax		3,316	4,776	16,307
(Loss)/gain on disposition of discontinued operations	(301)		92,376
Income tax (benefit)/expense	$ (683)	$ 1,135	$ 25,570	$ 5,397