Expected federal deferred tax valuation allowance reversal amount, maximum amount

No definition available.

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- Definition

This disclosure represents the total length, in miles, of fiber installed.

+ References

No definition available.

+ Details

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- Definition

DAS antenna locations

+ References

No definition available.

+ Details

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- Definition

Percentage of purchase price allocated to goodwill, minimum.

+ References

No definition available.

+ Details

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- Definition

Percentage of total nodes in the top 10 basic trading areas.

+ References

No definition available.

+ Details

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- Definition

Amount of cash paid to acquire the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

+ Details

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Subsequent Events (Details) (USD $)		3 Months Ended
Subsequent Events (Details) (USD $)	Mar. 31, 2012	Jun. 30, 2012 NextG Networks Inc. [Member]	Apr. 30, 2012 NextG Networks Inc. [Member] mi	Apr. 30, 2012 On-Air [Member] NextG Networks Inc. [Member]	Apr. 30, 2012 In Construction [Member] NextG Networks Inc. [Member]
Subsequent Event [Line Items]
Business acquisition, cost of acquired entity, purchase price			$ 1,000,000,000
Nodes				7,000	1,500
Length of fiber			4,600
Percentage of total nodes			80.00%
Business acquisition, cost of acquired entity, cash paid			1,000,000,000
Percentage of purchase price allocated to goodwill, minimum		50.00%
Expected valuation allowance reversal amount, maximum amount	$ 100,000,000