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

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ 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

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

+ Details

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- Details

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Debt (Mobilitie Bridge Loan) (Narrative) (Details) (USD $)			0 Months Ended					12 Months Ended		0 Months Ended		12 Months Ended		0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jul. 13, 2012 Mobilitie Bridge Loan [Member]	Apr. 02, 2012 Mobilitie Bridge Loan [Member]	Dec. 31, 2013 5.75% Senior Notes [Member]	Dec. 31, 2012 5.75% Senior Notes [Member]	Jul. 13, 2012 5.75% Senior Notes [Member]	Dec. 31, 2013 Minimum [Member] Base Rate [Member]	Dec. 31, 2013 Minimum [Member] Eurodollar [Member]	Apr. 02, 2012 Minimum [Member] Mobilitie Bridge Loan [Member] Base Rate [Member]	Apr. 02, 2012 Minimum [Member] Mobilitie Bridge Loan [Member] Eurodollar [Member]	Dec. 31, 2013 Maximum [Member] Base Rate [Member]	Dec. 31, 2013 Maximum [Member] Eurodollar [Member]	Apr. 02, 2012 Maximum [Member] Mobilitie Bridge Loan [Member] Base Rate [Member]	Apr. 02, 2012 Maximum [Member] Mobilitie Bridge Loan [Member] Eurodollar [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 5,910,041,000	$ 5,440,073,000		$ 400,000,000	$ 800,000,000	$ 800,000,000
Basis spread on variable interest rate								0.875%	1.875%	2.00%	3.00%	1.375%	2.375%	2.50%	3.50%
Repayments of long-term debt			$ 400,000,000
Debt instrument, interest rate, stated percentage					5.75%		5.75%