Income Taxes (Summary Of Income Tax Benefit (Provision)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income tax benefit (provision) on income from continuing operations	$ (2,815)	$ (3,222)
Continuing Operations [Member]
Total current income tax benefit (provision)	(838)	1,873
Total deferred income tax provision	(1,977)	(5,095)
Income tax benefit (provision) on income from continuing operations	$ (2,815)	$ (3,222)