Debt (Tables)

12 Months Ended

Dec. 31, 2011

Short-term Debt [Line Items]

Carrying Value Of Debt

	As of December 31, 2011			As of December 31, 2010
	(in thousands)
1.875% Convertible Senior Notes due 2013; principal balance of $535.0 million and $550.0 million as of December 31, 2011 and 2010, respectively	$	484,970		$	463,970
4.0% Convertible Senior Notes due 2014; principal balance of $500.0 million as of December 31, 2011 and December 31, 2010		397,612			368,463
8.0% Senior Notes due 2016; principal balance of $375.0 million as of December 31, 2011 and December 31, 2010		373,198			372,889
8.25% Senior Notes due 2019; principal balance of $375.0 million as of December 31, 2011 and December 31, 2010		372,365			372,128
4.254% Secured Tower Revenue Securities Series 2010-1		680,000			680,000
5.101% Secured Tower Revenue Securities Series 2010-2		550,000			550,000
2010 Senior Finance II Revolving Credit Facility		—			20,000
Term Loan; principal balance of $497.5 million		496,340			—
Total debt		3,354,485			2,827,450
Less: current maturities of long-term debt		(5,000	)		—
Total long-term debt, net of current maturities	$	3,349,485		$	2,827,450

Notes Reflected In Long-Term Debt

	Principal
	(in thousands)
2012	$	5,000
2013		540,000
2014		505,000
2015		685,000
2016		380,000
Therafter		1,397,500
Total	$	3,512,500

Schedule Of Cash And Non-Cash Interest Expense

	For the year ended December 31,
	2011					2010					2009
	Cash Interest			Non-Cash Interest		Cash Interest			Non-Cash Interest		Cash Interest			Non-Cash Interest
	(in thousands)
0.375% Convertible Senior Notes	$	—		$	—	$	46		$	1,755	$	195		$	3,695
1.875% Convertible Senior Notes		10,090			33,844		10,313			31,511		10,313			28,704
4.0% Convertible Senior Notes		20,000			29,149		20,000			25,643		13,767			15,838
8.0% Senior Notes		30,000			309		30,000			285		13,083			117
8.25% Senior Notes		30,938			237		30,938			218		13,492			90
2005 and 2006 CMBS Certificates		—			—		16,430			—		74,641			—
2010 Tower Securities		57,371			—		40,682			—		—			—
Term Loan		9,705			90		—			—		—			—
Revolving Credit Facility		3,209			—		1,903			—		3,756			—
Optasite Credit Facility		—			—		—			—		1,831			824
Gain/Loss on Swap		—			—		—			658		—			629
Capitalized Interest		(417	)		—		(391	)		—		(225	)		—
Total	$	160,896		$	63,629	$	149,921		$	60,070	$	130,853		$	49,897

1.875% Convertible Senior Notes [Member]

Short-term Debt [Line Items]

Notes Reflected In Long-Term Debt

	As of December 31, 2011			As of December 31, 2010
	(in thousands)
Principal balance	$	535,000		$	550,000
Debt discount		(50,030	)		(86,030	)
Carrying value	$	484,970		$	463,970

4.0% Convertible Senior Notes [Member]

Short-term Debt [Line Items]

Notes Reflected In Long-Term Debt

	As of December 31, 2011			As of December 31, 2010
	(in thousands)
Principal balance	$	500,000		$	500,000
Debt discount		(102,388	)		(131,537	)
Carrying value	$	397,612		$	368,463