v2.4.0.6

Asset Write-Down Charges	12 Months Ended
	Dec. 31, 2011
Asset Impairment Charges [Abstract]
Asset Write-Down Charges	Asset Write-Down Charges Wireless Infrastructure Write-Down Charges During the years ended December 31, 2011, 2010, and 2009, the Company abandoned or disposed of wireless infrastructure and wrote-off site acquisition and permitting costs for wireless infrastructure that would not be completed. For the years ended December 31, 2011, 2010, and 2009, the Company recorded related wireless infrastructure asset write-down charges at CCUSA of $15.8 million, $8.6 million and $18.3 million, respectively.

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- Definition

The entire disclosure for the details of the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Disclosure may also include a description of the impaired asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired asset is reported.

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No definition available.

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