FIXED ASSETS (Tables)

12 Months Ended

Dec. 31, 2012

FIXED ASSETS

Schedule of property, plant and equipment

As of December 31, 2011 and 2012, property, plant and equipment consist of the following (in thousands):

	Useful Life (in Years)		2011			2012
Telecommunications equipment and towers		5 - 15	$	666,969		$	697,340
Office and computer equipment		3 - 10		47,063			53,579
Buildings		15 - 39		18,017			29,619
Transportation vehicles		3 - 10		7,679			8,610
Leasehold improvements		Shorter of useful life or lease term		20,515			19,876
Land		—		6,653			6,836
Furniture and fixtures		5 - 10		8,120			11,090
Total plant in service				775,016			826,950
Construction in progress				38,375			42,394
Total property, plant, and equipment				813,391			869,344
Less: Accumulated depreciation				(330,188	)		(418,797	)
Net fixed assets			$	483,203		$	450,547

Schedule of gain recorded on sale of assets

 During the year ended December 31, 2012, the Company sold certain network assets used in its wholesale U.S. Wireless business. The Company recorded a gain on this transaction, calculated as follows:

			(in thousands)
Sales proceeds			$	15,629
Less net book value of assets sold:
Property, plant and equipment, cost	12,279
Accumulated depreciation	(8,263	)
Property, plant and equipment, net book value				4,016
Other				8
Total net book value of assets sold				4,024
Gain on disposition of long-lived assets				11,605