The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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This item represents the cumulative amount paid in excess of fair value for acquired assets from one or more business combinations, after to the initial recording thereof.

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Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an indefinite-lived intangible asset, other than goodwill, to fair value.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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This element represents various capitalized rights and intangible assets, excluding goodwill, having a projected indefinite period of benefit.

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Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software, net of accumulated depreciation.

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Fair Value of Financial Instruments - Measured on a Nonrecurring Basis (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 Fair Value, Measurements, Nonrecurring [Member]	Sep. 30, 2011 Fair Value, Measurements, Nonrecurring [Member]	Dec. 31, 2010 Fair Value, Measurements, Nonrecurring [Member]	Sep. 30, 2011 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 1 [Member]	Dec. 31, 2010 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 1 [Member]	Sep. 30, 2011 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 2 [Member]	Dec. 31, 2010 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 2 [Member]	Sep. 30, 2011 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2010 Fair Value, Measurements, Nonrecurring [Member] Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure [Abstract]
Goodwill		$ 0		$ 0					$ 0		$ 0		$ 0
Property and equipment									0		0		0
Wireless licenses								0	0	0	0	9,115,000	7,496,000
Total Assets								0	0	0	0	9,115,000	7,496,000
Asset Impairment Charges [Abstract]
Goodwill impairment	0	430,101,000	0	430,101,000			430,101,000
Property and equipment, impairment loss	0	46,460,000	0	46,460,000			46,460,000
Wireless license impairment	377,000	766,000	377,000	766,000	377,000	377,000	766,000
Asset Impairment Charges					$ 377,000	$ 377,000	$ 477,327,000