Debt (Tables)

12 Months Ended

Dec. 31, 2016

Debt [Abstract]

Schedule Of Carrying And Principal Values Of Debt

		As of						As of
		December 31, 2016						December 31, 2015
	Maturity Date	Principal Balance		Fair Value		Carrying Value		Principal Balance		Fair Value		Carrying Value
5.625% Senior Notes	Oct. 1, 2019	$	—	$	—	$	—	$	500,000	$	521,250	$	494,955
5.750% Senior Notes	July 15, 2020		—		—		—		800,000		832,000		791,243
2014 Senior Notes	July 15, 2022		750,000		763,125		736,992		750,000		744,375		735,010
2016 Senior Notes	Sep. 1, 2024		1,100,000		1,083,500		1,078,954		—		—		—
2010-2C Tower Securities	April 11, 2017		—		—		—		550,000		558,223		548,268
2012-1C Tower Securities	Dec. 11, 2017		610,000		610,165		607,157		610,000		611,879		604,229
2013-1C Tower Securities	April 10, 2018		425,000		423,381		422,768		425,000		416,959		421,099
2013-2C Tower Securities	April 11, 2023		575,000		563,322		567,545		575,000		565,541		566,523
2013-1D Tower Securities	April 10, 2018		330,000		334,521		328,225		330,000		332,676		326,918
2014-1C Tower Securities	Oct. 8, 2019		920,000		922,199		912,219		920,000		910,368		909,595
2014-2C Tower Securities	Oct. 8, 2024		620,000		608,921		612,641		620,000		608,084		611,853
2015-1C Tower Securities	Oct. 8, 2020		500,000		495,145		491,289		500,000		489,680		489,496
2016-1C Tower Securities	July 9, 2021		700,000		688,072		691,322		—		—		—
Revolving Credit Facility	Feb. 5, 2020		390,000		390,000		390,000		—		—		—
2014 Term Loan	Mar. 24, 2021		1,462,500		1,467,984		1,452,039		1,477,500		1,447,950		1,464,774
2015 Term Loan	June 10, 2022		492,500		494,347		484,432		497,500		486,306		488,107
Total debt		$	8,875,000	$	8,844,682	$	8,775,583	$	8,555,000	$	8,525,291	$	8,452,070
Less: current maturities of long-term debt							(627,157)						(20,000)
Total long-term debt, net of current maturities						$	8,148,426					$	8,432,070

Schedule Of Future Principal Payment Obligations

For the year ended December 31,	(in thousands)
2017	$	630,000
2018		775,000
2019		940,000
2020		910,000
2021		2,107,500

Schedule Of Cash And Non-Cash Interest Expense

	For the year ended December 31,
	2016				2015				2014
	Cash		Non-cash		Cash		Non-cash		Cash		Non-cash
	Interest		Interest		Interest		Interest		Interest		Interest
	(in thousands)
4.0% Convertible Senior Notes	$	—	$	—	$	—	$	—	$	12,520	$	26,266
8.25% Senior Notes		—		—		—		—		12,513		121
5.625% Senior Notes		21,094		—		28,125		—		28,125		—
5.75% Senior Notes		28,494		—		46,000		—		46,000		—
2014 Senior Notes		36,563		689		36,563		655		18,281		315
2016 Senior Notes		20,258		348		—		—		—		—
2010 Tower Securities		15,213		—		28,230		—		51,237		—
2012-1C Tower Securities		18,107		—		18,111		—		18,085		—
2013 Tower Securities		43,217		—		43,217		—		43,217		—
2014 Tower Securities		51,138		—		51,138		—		10,796		—
2015-1C Tower Securities		15,939		—		3,453		—		—		—
2016-1C Tower Securities		9,898		—		—		—		—		—
Revolving Credit Facility		4,167		—		5,552		—		4,591		—
2011 Term Loan		—		—		—		—		696		7
2012-1 Term Loan		—		—		3,959		—		4,534		—
2012-2 Term Loan		—		—		—		—		424		4
2014 Term Loan		48,962		510		48,992		492		41,338		399
2015 Term Loan		16,487		656		9,243		358		—		—
Other		(366)		—		(217)		—		243		—
Total	$	329,171	$	2,203	$	322,366	$	1,505	$	292,600	$	27,112