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Segment Data (Segment Reporting Information Disclosure) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues | $ 393,293 |  | $ 332,094 |  | $ 1,122,262 |  | $ 969,470 |  |  |
Cost of revenues | 111,876 | [1] | 103,295 | [1] | 316,481 | [1] | 307,715 | [1] |  |
Operating profit (loss) | 281,417 |  | 228,799 |  | 805,781 |  | 661,755 |  |  |
Selling, general, and administrative | 26,589 | [2] | 21,827 | [2] | 76,707 | [2] | 63,765 | [2] |  |
Asset impairment and decommission costs | 5,992 |  | 6,190 |  | 13,554 |  | 16,405 |  |  |
Acquisition related adjustment and expenses | (58) |  | 3,599 |  | 10,728 |  | 11,378 |  |  |
Depreciation, amortization and accretion | 159,410 |  | 133,281 |  | 464,858 |  | 400,006 |  |  |
Operating income (loss) | 89,484 |  | 63,902 |  | 239,934 |  | 170,201 |  |  |
Other expense (principally interest expense and other expense) | (105,126) |  | (42,164) |  | (259,909) |  | (205,507) |  |  |
Loss (income) before provision for income taxes | (15,642) |  | 21,738 |  | (19,975) |  | (35,306) |  |  |
Cash capital expenditures | 140,813 | [3] | 125,366 | [3] | 1,181,385 | [3] | 451,667 | [3] |  |
Assets | 7,808,992 |  |  |  | 7,808,992 |  |  |  | 6,783,188 |
Domestic Site Leasing Revenue [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues | 293,775 |  | 267,540 |  | 854,003 |  | 781,366 |  |  |
Cost of revenues | 63,108 | [1] | 61,259 | [1] | 185,637 | [1] | 183,869 | [1] |  |
Operating profit (loss) | 230,667 |  | 206,281 |  | 668,366 |  | 597,497 |  |  |
Selling, general, and administrative | 16,908 |  | 15,321 |  | 49,665 |  | 44,088 |  |  |
Asset impairment and decommission costs | 5,536 |  | 5,678 |  | 12,263 |  | 14,860 |  |  |
Acquisition related adjustment and expenses | 2,242 |  | 1,838 |  | 8,878 |  | 2,833 |  |  |
Depreciation, amortization and accretion | 129,227 |  | 121,766 |  | 385,605 |  | 365,798 |  |  |
Operating income (loss) | 76,754 |  | 61,678 |  | 211,955 |  | 169,918 |  |  |
Cash capital expenditures | 113,561 | [3] | 63,401 | [3] | 451,384 | [3] | 177,835 | [3] |  |
Assets | 5,559,854 |  |  |  | 5,559,854 |  |  |  | 5,427,969 |
International Site Leasing Revenue [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues | 55,235 |  | 19,943 |  | 144,778 |  | 59,122 |  |  |
Cost of revenues | 14,818 | [1] | 6,783 | [1] | 37,412 | [1] | 20,058 | [1] |  |
Operating profit (loss) | 40,417 |  | 13,160 |  | 107,366 |  | 39,064 |  |  |
Selling, general, and administrative | 4,413 |  | 2,500 |  | 12,518 |  | 6,765 |  |  |
Asset impairment and decommission costs | 456 |  | 512 |  | 1,291 |  | 1,545 |  |  |
Acquisition related adjustment and expenses | (2,300) |  | 1,761 |  | 1,850 |  | 8,545 |  |  |
Depreciation, amortization and accretion | 28,792 |  | 10,308 |  | 75,160 |  | 31,026 |  |  |
Operating income (loss) | 9,056 |  | (1,921) |  | 16,547 |  | (8,817) |  |  |
Cash capital expenditures | 17,514 | [3] | 58,343 | [3] | 712,920 | [3] | 266,845 | [3] |  |
Assets | 1,623,467 |  |  |  | 1,623,467 |  |  |  | 1,040,401 |
Site Development [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues | 44,283 |  | 44,611 |  | 123,481 |  | 128,982 |  |  |
Cost of revenues | 33,950 | [1] | 35,253 | [1] | 93,432 | [1] | 103,788 | [1] |  |
Operating profit (loss) | 10,333 |  | 9,358 |  | 30,049 |  | 25,194 |  |  |
Selling, general, and administrative | 3,046 |  | 1,942 |  | 7,047 |  | 5,817 |  |  |
Depreciation, amortization and accretion | 660 |  | 731 |  | 1,788 |  | 1,762 |  |  |
Operating income (loss) | 6,627 |  | 6,685 |  | 21,214 |  | 17,615 |  |  |
Cash capital expenditures | 2,151 | [3] | 3,151 | [3] | 5,923 | [3] | 5,798 | [3] |  |
Assets | 68,167 |  |  |  | 68,167 |  |  |  | 76,214 |
Not Identified by Segment [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Selling, general, and administrative | 2,222 | [4] | 2,064 | [4] | 7,477 | [4] | 7,095 | [4] |  |
Depreciation, amortization and accretion | 731 | [4] | 476 | [4] | 2,305 | [4] | 1,420 | [4] |  |
Operating income (loss) | (2,953) | [4] | (2,540) | [4] | (9,782) | [4] | (8,515) | [4] |  |
Other expense (principally interest expense and other expense) | (105,126) | [4] | (42,164) | [4] | (259,909) | [4] | (205,507) | [4] |  |
Cash capital expenditures | 7,587 | [3],[4] | 471 | [3],[4] | 11,158 | [3],[4] | 1,189 | [3],[4] |  |
Assets | $ 557,504 | [4] |  |  | $ 557,504 | [4] |  |  | $ 238,604 | [4]
[1] | Excludes depreciation, amortization, and accretion.
[2] | Includes non-cash compensation of $6,319 and $4,146 for the three months ended September 30, 2014 and 2013, respectively, and $16,951 and $12,836 for the nine months ended September 30, 2014 and 2013, respectively.
[3] | Includes cash paid for capital expenditures and acquisitions and vehicle capital lease additions.
[4] | Assets not identified by segment consist primarily of general corporate assets.

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