Other Non-Operating Expense (Components Of Other Non-Operating Expense) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010	Sep. 30, 2011		Sep. 30, 2010
Other Income Expense [Line Items]
Early redemption call premium	$ 0	[1]	$ 0	$ 0	[1]	$ (14,115)
Write-off of unamortized offering costs	0	[1]	0	0	[1]	(4,076)
Dividend received	0	[1]	0	0	[1]	7,642
Write-off of assets held for sale	(7,355)	[1]	0	(7,355)	[1]	0
Other gains / (losses)	(3,328)	[1]	(914)	(6,965)	[1]	(1,717)
Total other non operating income / (expense), net	$ (10,683)	[1]	$ (914)	$ (14,320)	[1]	$ (12,266)

[1] Restated