Property And Equipment, Net (Property And Equipment, Net (Including Assets Held Under Capital Leases)) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,845,040	$ 2,809,672
Less: accumulated depreciation	(1,269,778)	(1,226,279)
Property and equipment, net	1,575,262	1,583,393
Towers And Related Components [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,606,894	2,587,897
Construction-In-Process [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	33,371	23,076
Furniture, Equipment And Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	30,233	29,711
Land, Buildings And Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 174,542	$ 168,988

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References+ Details

Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can 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.

+ References+ Details

- Definition

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.

+ References+ Details