Property, Plant And Equipment (Depreciation and Amortization) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant And Equipment [Abstract]
Total depreciation and amortization	$ 25,538	$ 29,510	$ 25,755
Depreciation and amortization included in income from discontinued operations	25,476	29,395	25,577
Depreciation and amortization included in income from continuing operations	$ 62	$ 115	$ 178