Income Taxes (Components Of Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Domestic	$ 214,463	$ 225,351	$ 182,292
Foreign	(28,143)	(7,825)	2,221
Income before Income Taxes	186,320	217,526	184,513
Current provision Federal	81,756	51,613	56,215
Current provision Foreign	603	440	106
Current provision State and local	5,818	4,744	4,106
Total current provision	88,177	56,797	60,427
Deferred provision (benefit) Federal	(8,031)	27,475	7,700
Deferred provision (benefit) Foreign	4,811	(2,998)	1,053
Deferred provision (benefit) State and local	(301)	1,086	89
Total deferred provision	(3,521)	25,563	8,842
Total provision	$ 84,656	$ 82,360	$ 69,269