Equity And Accumulated Other Comprehensive Loss, Net (Schedule Of Accumulated Other Comprehensive Loss Net) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Accumulated other comprehensive loss, net, Beginning balance			$ (42,081)
Net current period change	(35,580)	25,907	(10,543)	(11,612)
Decrease in fair value of interest rate swaps	(2,089)	(2,036)	(3,036)	(8,132)
Accumulated other comprehensive loss, net, Ending balance	(50,993)		(50,993)
Foreign Currency Translation Adjustments [Member]
Foreign currency translation adjustments, Beginning balance			(33,175)
Net current period change			(10,262)
Foreign currency translation adjustments, Ending balance	(43,437)		(43,437)
Cash Flow Hedge Adjustments [Member]
Cash flow hedge adjustment, Beginning balance			(8,906)
Decrease in fair value of interest rate swaps			(2,907)
Reclassification to interest expense from interest rate swaps			4,257
Cash flow hedge adjustments, Ending balance	(7,556)		(7,556)
Accumulated Other Comprehensive Loss, Net [Member]
Accumulated other comprehensive loss, net, Beginning balance			(42,081)
Net current period change			(10,262)
Decrease in fair value of interest rate swaps			(2,907)
Accumulated other comprehensive loss, net, Net current period change			(13,169)
Reclassification to interest expense from interest rate swaps			4,257
Accumulated other comprehensive loss, net, Ending balance	$ (50,993)		$ (50,993)