Discontinued Operations (Net Sales and Income from Discontinued Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Discontinued Operations [Abstract]
Net sales	$ 1,544	$ 2,191	$ 4,108	$ 3,949
Income from discontinued operations	3,320	302	3,608	434
Income tax expense	2,217	106	2,325	153
Income from discontinued operations	$ 1,103	$ 196	$ 1,283	$ 281