Represents the portion of cash interest incurred in the period on debt arrangements that was charged against earnings.

No definition available.

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- Definition

Represents the portion of non-cash interest incurred in the period on debt arrangements that was charged against earnings.

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: 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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Debt (Schedule Of Cash And Non-Cash Interest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Oct. 14, 2015	Jul. 01, 2014	Sep. 28, 2012	Aug. 09, 2012	Jul. 13, 2012	Apr. 16, 2010
Debt Instrument [Line Items]
Cash Interest	$ 83,682	$ 78,908	$ 167,486	$ 156,562
Non-cash Interest	460	322	915	601
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Cash Interest	744	1,765	1,578	3,337
5.625% Senior Notes [Member]
Debt Instrument [Line Items]
Cash Interest	$ 7,031	7,031	$ 14,063	14,063
Debt instrument, interest rate, stated percentage	5.625%		5.625%				5.625%
5.75% Senior Notes [Member]
Debt Instrument [Line Items]
Cash Interest	$ 11,500	11,500	$ 23,000	23,000
Debt instrument, interest rate, stated percentage	5.75%		5.75%						5.75%
2014 Senior Notes [Member]
Debt Instrument [Line Items]
Cash Interest	$ 9,141	9,141	$ 18,281	18,281
Non-cash Interest	171	163	340	323
Debt instrument, interest rate, stated percentage						4.875%
2010-2C Tower Securities [Member]
Debt Instrument [Line Items]
Cash Interest	7,058	7,058	14,115	14,115
Debt instrument, interest rate, stated percentage										5.101%
2012-1C Tower Securities [Member]
Debt Instrument [Line Items]
Cash Interest	4,533	4,532	9,067	9,063
Debt instrument, interest rate, stated percentage								2.933%
2013 Tower Securities [Member]
Debt Instrument [Line Items]
Cash Interest	10,804	10,804	21,609	21,609
2014 Tower Securities [Member]
Debt Instrument [Line Items]
Cash Interest	12,785	12,785	25,569	25,569
2015-1C Tower Securities [Member]
Debt Instrument [Line Items]
Cash Interest	3,985		7,969
Debt instrument, interest rate, stated percentage					3.156%
2012 Term Loan [Member]
Debt Instrument [Line Items]
Cash Interest		1,095		2,248
2014 Term Loan [Member]
Debt Instrument [Line Items]
Cash Interest	12,107	12,230	24,245	24,356
Non-cash Interest	126	122	251	242
2015 Term Loan [Member]
Debt Instrument [Line Items]
Cash Interest	4,077	948	8,164	948
Non-cash Interest	163	37	324	36
Capitalized Interest And Other [Member]
Debt Instrument [Line Items]
Cash Interest	$ (83)	$ 19	$ (174)	$ (27)