Income Taxes (Schedule Of Provision For Income Taxes From Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Federal	$ 23,885	$ 84,607	$ 73,105
State and local	2,083	10,769	8,720
Foreign	2,182	3,565	941
Total current provision	28,150	98,941	82,766
Federal	13,926	(20,332)	(2,116)
State and local	3,876	(280)	(1,159)
Foreign	194	72	113
Total deferred provision (benefit)	17,996	(20,540)	(3,162)
Total provision for income taxes	$ 46,146	$ 78,401	$ 79,604