Goodwill And Other Intangible Assets (Schedule Of Finite-Lived Intangible Assets, Future Amortization Expense) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2011
Intangible Assets
2011 (July 1 through December 31)	$ 2,778	[1]
2012	6,302	[1]
2013	12,742	[1]
2014	9,803	[1]
2015	7,220	[1]
Thereafter	6,185	[1]
Total amortization expense	$ 45,030	[1]
Intangible asset amortization attributable to noncontrolling interest, percentage	48.00%

[1] Approximately 48% of intangible asset amortization is attributable to a noncontrolling interest.