Earnings Per Share (Schedule Of Reconciliation Of The Numerators Used In Calculating Basic And Diluted Earnings/(Loss) Per Share) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Earnings Per Share [Abstract]
Income from continuing operations	$ 34,152	$ 34,068	$ 95,449	$ 52,193
Income/(loss) from discontinued operations, net of tax	4,828	(358)	9,369	(7,897)
Net income	38,980	33,710	104,818	44,296
Net income attributable to noncontrolling interest	2,875	2,875	8,563	8,563
Net income attributable to controlling interest	36,105	30,835	96,255	35,733
Preferred stock dividends		14,960		44,816
Net income/(loss) available to common shareholders	36,105	15,875	96,255	(9,083)
Net income/(loss) from continuing operations available to common shareholders	$ 31,277	$ 16,233	$ 86,886	$ (1,186)