The issued price percentage of debt.

No definition available.

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- Definition

The weighted average life of outstanding debt

+ References

No definition available.

+ Details

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- Definition

Number of broadcast and wireless communications towers

+ References

No definition available.

+ Details

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- Definition

Redemption price as a percentage of principal

+ References

No definition available.

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- Definition

Repurchase price as percentage of principal

+ References

No definition available.

+ Details

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- Definition

The term (in years) of the debt outstanding or line of credit facility

+ References

No definition available.

+ Details

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- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 31

-Subparagraph b

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

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- Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

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-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

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- Definition

Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of debt outstanding by type or by instrument at that time.

+ References

No definition available.

+ Details

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- Definition

The difference between the reacquisition price and the net carrying amount of the extinguished debt recognized currently as a component of income in the period of extinguishment, net of tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 145

-Paragraph A5

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 26

-Paragraph 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 40

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629

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-Name Accounting Standards Codification

-Topic 470

-SubTopic 50

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6401765&loc=d3e13305-112630

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Article 7

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (SX 210.5-02.22)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

+ References

No definition available.

+ Details

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-BRD

-Paragraph 80

-Subparagraph Exhibit 4-8, 3

-IssueDate 2006-05-01

-Chapter 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (SX 210.5-02.1)

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

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-Paragraph 2

-Subparagraph (SX 210.5-03.8)

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Financing Transactions (Narrative) (Details) (USD $)	3 Months Ended			3 Months Ended		3 Months Ended		3 Months Ended		0 Months Ended	3 Months Ended			3 Months Ended
Financing Transactions (Narrative) (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2013 Commercial Mortgage Pass Through Certificates Series 2007 [Member]	Dec. 31, 2007 Commercial Mortgage Pass Through Certificates Series 2007 [Member] towers	Mar. 31, 2013 Credit Facility 2011 [Member] y	Mar. 31, 2013 Credit Facility 2011 [Member] LIBOR Based Borrowings [Member]	Mar. 31, 2013 Credit Facility 2012 [Member] y	Mar. 31, 2013 Credit Facility 2012 [Member] LIBOR Based Borrowings [Member]	Mar. 31, 2013 Term Loan 2012 [Member] y	Sep. 30, 2012 Term Loan 2012 [Member] LIBOR Based Borrowings [Member]	Jan. 08, 2013 Three Point Five Zero Percent Senior Notes [Member]	Mar. 31, 2013 Three Point Five Zero Percent Senior Notes [Member]	Mar. 31, 2013 Commercial Mortgage Pass Through Certificates Series 2013 [Member] towers	Mar. 15, 2013 Commercial Mortgage Pass Through Certificates Series 2013 [Member]	Mar. 31, 2013 Commercial Mortgage Pass Through Certificates Series 2013 [Member] Series 2013-1 [Member] y	Mar. 31, 2013 Commercial Mortgage Pass Through Certificates Series 2013 [Member] Series 2013-2 [Member] y
Debt Instruments [Line Items]
Number of broadcast and wireless communications towers			5,295									5,195
Total long term obligation				$ 0		$ 322,000,000		$ 750,000,000					$ 1,800,000,000
Restricted cash and cash equivalents												39,300,000
Line of credit facility, maximum borrowing capacity				1,000,000,000		1,000,000,000
Letters of credit outstanding				1,900,000		2,700,000
Term of debt				5		5		5						5	10
Basis Spread on Variable Rate					1.85%		1.625%		1.75%
Proceeds from the issuance of debt										983,400,000		1,780,000,000
Repayment of indebtedness		1,750,000,000		265,000,000		719,000,000					718,400,000
Debt Instrument Interest Rate										3.50%
Debt Maturity Date				Apr. 08, 2016		Jan. 31, 2017		Jun. 29, 2017			Jan. 31, 2023
Redemption price as a percentage of principal										100.00%
Repurchase price as percentage of principal										101.00%
Long-term debt, gross										1,000,000,000
Commitment fee percentage				0.35%		0.225%
Debt, Weighted Average Interest Rate												2.648%
Debt, Weighted Average Life												P8Y7M6D
Loss on early retirement of securitized debt	35,288,000	35,288,000
Write off of Deferred Debt Issuance Cost		6,100,000
Payments of Debt Extinguishment Costs	$ 29,234,000											$ 29,234,000
Debt Issuance Cost Percentage											99.185%