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Debt and Other Obligations Retirement of Long-term Obligations (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Extinguishment of Debt [Line Items] |  |  |  |  |  |
Write-off of deferred financing costs and discounts |  |  |  | $ 32,000 |  |
Extinguishment of Debt, Amount |  |  |  | 3,526,390 |  |
Repayments of Other Long-term Debt |  |  |  | 3,536,362 | [1] | $ 1,069,337
Gains (losses) on retirement of long-term obligations |  | $ (11,468) | $ (4,181) | (42,017) | [2] | $ (4,157)
Variable Rate Revolver 2012 [Member] |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |
Extinguishment of Debt, Amount | [3] |  |  | 0 |  |
Repayments of Other Long-term Debt | [1],[3] |  |  | 0 |  |
Gains (losses) on retirement of long-term obligations | [2],[3] |  |  | (1,930) |  |
Variable Rate 2012 Term Loans Tranche A [Member] |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |
Extinguishment of Debt, Amount |  |  |  | 629,375 |  |
Repayments of Other Long-term Debt | [1] |  |  | 629,375 |  |
Gains (losses) on retirement of long-term obligations | [2] |  |  | (1,498) |  |
Variable Rate 2012 Term Loans Tranche B [Member] |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |
Extinguishment of Debt, Amount |  |  |  | 2,247,015 |  |
Repayments of Other Long-term Debt | [1] |  |  | 2,247,015 |  |
Gains (losses) on retirement of long-term obligations | [2] |  |  | (27,122) |  |
Fixed Rate Securitized Debt January 2010 Tower Revenue Notes Second Tranche [Member] |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |
Extinguishment of Debt, Amount |  |  |  | 350,000 |  |
Repayments of Other Long-term Debt | [1] |  |  | 352,796 |  |
Gains (losses) on retirement of long-term obligations | [2] |  |  | (3,338) |  |
Fixed Rate Securitized Debt August 2010 Tower Revenue Notes Second Tranche [Member] |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |
Extinguishment of Debt, Amount |  |  |  | 300,000 |  |
Repayments of Other Long-term Debt | [1] |  |  | 307,176 |  |
Gains (losses) on retirement of long-term obligations | [2] |  |  | $ (8,129) |  |
[1] | Exclusive of accrued interest.
[2] | Inclusive of $32.0 million related to the write off of deferred financing costs.
[3] | See discussion of the repayment of the Company's 2012 Credit Facility above.

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- Definition Write-off of deferred financing costs and discounts. + References No definition available. + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
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