Discontinued Operations (Schedule Of Net Revenues And Operating Results) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Discontinued Operations [Abstract]
Net revenues	$ 15,400,000	$ 30,500,000	$ 29,100,000
(Loss) before income taxes	(11,400,000)	(16,900,000)	(7,000,000)
Income tax benefit	4,400,000	6,600,000	2,700,000
Discontinued operations, net of tax	$ (6,965,000)	$ (10,345,000)	$ (4,265,000)