Supplementary Balance Sheet Information (Tables)

9 Months Ended

Sep. 30, 2011

Supplementary Balance Sheet Information [Abstract]

Schedule of Additional Balance Sheet Information

	September 30, 2011			December 31, 2010
Other current assets:
Accounts receivable, net(1)	$	83,807		$	50,750
Prepaid expenses	39,366			27,493
Other	20,480			12,767
	$	143,653		$	91,010
Property and equipment, net:
Network equipment	$	3,213,775		$	3,095,793
Computer hardware and software	510,194			342,972
Construction-in-progress	74,778			146,973
Other	120,129			108,273
	3,918,876			3,694,011
Accumulated depreciation	(1,989,378		)	(1,657,366		)
	$	1,929,498		$	2,036,645
Intangible assets, net:
Customer relationships	$	57,782		$	57,782
Trademarks	37,000			37,000
	94,782			94,782
Accumulated amortization of customer relationships	(29,152		)	(12,980		)
Accumulated amortization of trademarks	(18,941		)	(16,959		)
	$	46,689		$	64,843
Accounts payable and accrued liabilities:
Trade accounts payable	$	158,735		$	205,824
Accrued payroll and related benefits	72,124			55,290
Other accrued liabilities	95,068			85,755
	$	325,927		$	346,869
Other current liabilities:
Deferred service revenue(2)	$	107,075		$	97,679
Deferred equipment revenue(3)	36,601			26,564
Accrued sales, telecommunications, property and other taxes payable	32,889			44,942
Accrued interest	98,006			40,804
Other	16,296			11,088
	$	290,867		$	221,077

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(1) Accounts receivable, net, consists primarily of amounts billed to third-party dealers for devices and accessories and amounts due from service providers related to interconnect and roaming agreements, net of an allowance for doubtful accounts.

(2) Deferred service revenue consists primarily of cash received from customers in advance of their service period.

(3) Deferred equipment revenue relates to devices sold to third-party dealers which have not yet been purchased and activated by customers.