Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Instrument [Line Items]

Carrying Values Of Debt

	Maturity	As of				As of
	Date	December 31, 2013				December 31, 2012
		Principal Balance		Carrying Value		Principal Balance		Carrying Value
1.875% Convertible Senior Notes	May 1, 2013	$	—	$	—	$	468,836	$	457,351
4.000% Convertible Senior Notes	Oct. 1, 2014		499,944		468,394		499,987		430,751
8.250% Senior Notes	Aug. 15, 2019		243,750		242,387		243,750		242,205
5.625% Senior Notes	Oct. 1, 2019		500,000		500,000		500,000		500,000
5.750% Senior Notes	July 15, 2020		800,000		800,000		800,000		800,000
4.254% 2010-1 Tower Securities	April 15, 2015		680,000		680,000		680,000		680,000
5.101% 2010-2 Tower Securities	April 17, 2017		550,000		550,000		550,000		550,000
2.933% 2012-1Tower Securities	Dec. 15, 2017		610,000		610,000		610,000		610,000
2.240% 2013-1C Tower Securities	April 17, 2018		425,000		425,000		—		—
3.722% 2013-2C Tower Securities	April 17, 2023		575,000		575,000		—		—
3.598% 2013-1D Tower Securities	April 17, 2018		330,000		330,000		—		—
Revolving Credit Facility	May 9, 2017		215,000		215,000		100,000		100,000
2011 Term Loan B	June 30, 2018		180,529		180,234		492,500		491,518
2012-1 Term Loan A	May 9, 2017		185,000		185,000		195,000		195,000
2012-2 Term Loan B	Sept. 28, 2019		109,971		109,745		300,000		299,278
BNDES Loans	various		5,847		5,847		—		—
Total debt		$	5,910,041	$	5,876,607	$	5,440,073	$	5,356,103
Less: current maturities of long-term debt					(481,886)				(475,351)
Total long-term debt, net of current maturities				$	5,394,721			$	4,880,752

Future Principal Payment Obligations

For the year ended December 31,	(in thousands)
2014	$	513,436
2015		698,983
2016		21,460
2017		1,511,208
2018		936,233
Thereafter		2,228,721
Total	$	5,910,041

Schedule Of Cash And Non-Cash Interest Expense

	For the year ended December 31,
	2013				2012				2011
	Cash		Non-cash		Cash		Non-cash		Cash		Non-cash
	Interest		Interest		Interest		Interest		Interest		Interest
	(in thousands)
1.875% Convertible Senior Notes	$	2,670	$	10,434	$	9,885	$	36,388	$	10,090	$	33,844
4.0% Convertible Senior Notes		19,998		38,307		20,000		33,149		20,000		29,149
8.0% Senior Notes		—		—		15,867		174		30,000		309
8.25% Senior Notes		20,109		182		23,177		192		30,938		237
5.625% Senior Notes		28,125		—		7,266		—		—		—
5.75% Senior Notes		46,000		—		21,594		—		—		—
2010 Secured Tower Revenue Securities		57,383		—		57,377		—		57,371		—
2012 Secured Tower Revenue Securities		18,085		—		7,133		—		—		—
2013 Secured Tower Revenue Securities		30,392		—		—		—		—		—
Revolving Credit Facility		4,515		—		4,392		—		3,209		—
2011 Term Loan		10,533		101		18,894		179		9,705		90
2012-1 Term Loan		4,557		—		3,567		—		—		—
2012-2 Term Loan		6,416		61		2,969		28		—		—
Mobilitie Bridge Loan		—		—		4,239		—		—		—
Other		268		—		(119)		—		(417)		—
Total	$	249,051	$	49,085	$	196,241	$	70,110	$	160,896	$	63,629

4.0% Convertible Senior Notes [Member]

Debt Instrument [Line Items]

Carrying Values Of Debt

	As of December 31,
	2013		2012
	(in thousands)
Principal balance	$	499,944	$	499,987
Debt discount		(31,550)		(69,236)
Carrying value	$	468,394	$	430,751