Income Taxes (Summary Of Uncertain Tax Positions Included In Income Tax Provision) (Details) (Continuing Operations [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Continuing Operations [Member]
Current benefit (provision) for UTPs	$ (447)	$ 1,873
Deferred (provision) benefit for UTPs	139	(470)
Benefit (provision) for UTPs on income from continuing operations	$ (308)	$ 1,403