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Schedule Of Distributions To Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Noncontrolling Interest [Line Items]
Net income attributable to noncontrolling interest	$ (18,526)	$ (18,271)	$ (45,350)	$ (38,142)
Noncontrolling Interest
Noncontrolling Interest [Line Items]
Noncontrolling interest at December 31, 2011			198,920
Foreign currency translation adjustment			(103)
Distributions to noncontrolling interest			(9,373)
Decrease in noncontrolling interest in Carrier Enterprise I			(43,189)
Net income attributable to noncontrolling interest			45,350
Fair value of noncontrolling interest in Carrier Enterprise III	104,244		104,244
Noncontrolling interest at September 30, 2012	$ 295,849		$ 295,849