Income Taxes (Reconciliation Of Income Tax Expense (Benefit))(Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Income taxes at statutory rate	$ 69,956	$ 67,427	$ (27,200)
State and local income taxes, net of federal income tax benefit	2,821	2,358	(3,874)
Foreign income taxes	(45,112)	(21,389)	(12,840)
Change in valuation allowance	(2,052)	(17,139)	12,214
Notional interest			(55,956)
Tax contingencies and audit settlements	(5,911)	(3,447)	9,634
Acquisition related tax contingencies		(30,162)
Change in statutory tax rate		(49)	101
Other, net	1,947	5,114	1,227
Income tax expense (benefit)	$ 21,649	$ 2,713	$ (76,694)