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ACQUISITIONS (Details) (USD $) | 3 Months Ended | 12 Months Ended | 1 Months Ended | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | May 31, 2011 BDC | Apr. 26, 2010 Alltel Wireless | Dec. 31, 2012 Alltel Wireless | Dec. 31, 2010 Alltel Wireless | Apr. 26, 2010 Alltel Wireless Customer relationships | Dec. 31, 2012 Alltel Wireless Trade name licenses | Apr. 26, 2010 Alltel Wireless Trade name licenses | May 02, 2011 M3 Wireless, Ltd. | Dec. 31, 2012 M3 Wireless, Ltd. Customer relationships | May 02, 2011 M3 Wireless, Ltd. Customer relationships
Acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest before merger (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 58.00% |  |  |  |  |  |  |  |  |
Ownership interest after merger (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 42.00% |  |  |  |  |  |  |  |  |
Total consideration |  |  |  |  |  |  |  |  |  |  |  |  | $ 221,400,000 |  |  |  |  |  | $ 6,655,000 |  |
Borrowings used to fund the purchase price |  |  |  |  |  |  |  |  |  |  |  |  | 190,000,000 |  |  |  |  |  |  |  |
Cash-on-hand used to fund the purchase price |  |  |  |  |  |  |  |  |  |  |  |  | 31,400,000 |  |  |  |  |  |  |  |
Total cash consideration |  |  |  |  |  |  |  |  |  |  |  |  | 221,359,000 |  |  |  |  |  |  |  |
Purchase price allocation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net working capital |  |  |  |  |  |  |  |  |  |  |  |  | 15,817,000 |  |  |  |  |  | 675,000 |  |
Property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  | 176,393,000 |  |  |  |  |  | 10,577,000 |  |
Intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 55,500,000 |  | 13,400,000 |  |  | 2,600,000
Telecommunications licenses |  |  |  |  |  |  |  |  |  |  |  |  | 44,000,000 |  |  |  |  |  | 6,100,000 |  |
Other long term assets |  |  |  |  |  |  |  |  |  |  |  |  | 11,500,000 |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,105,000 |  |
Note payable- affiliate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7,012,000) |  |
Other long term liabilities |  |  |  |  |  |  |  |  |  |  |  |  | (34,211,000) |  |  |  |  |  | (200,000) |  |
Deferred tax liabilities |  |  |  |  |  |  |  |  |  |  |  |  | (18,016,000) |  |  |  |  |  |  |  |
Non-controlling interests |  |  |  |  |  |  |  |  |  |  |  |  | (16,000,000) |  |  |  |  |  | (9,190,000) |  |
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  |  | 248,383,000 |  |  |  |  |  | 6,655,000 |  |
Gain on bargain purchase |  |  |  |  |  |  |  |  |  |  | 27,024,000 |  | 27,024,000 |  |  |  |  |  |  |  |
Assets acquired, related information |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated life |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 years 8 months 12 days |  |  | 28 years |  |  | 12 years |
External acquisition-related costs |  |  |  |  |  |  |  |  | 868,000 | 772,000 | 13,760,000 |  |  |  | 13,600,000 |  |  |  |  |  |
As Reported |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue | 184,385,000 | 188,798,000 | 185,293,000 | 182,890,000 | 182,943,000 | 194,346,000 | 193,753,000 | 188,154,000 | 741,366,000 | 759,196,000 | 619,145,000 |  |  |  |  |  |  |  |  |  |
Net income attributable to ATN stockholders | 13,116,000 | 15,965,000 | 10,530,000 | 9,321,000 | 4,146,000 | 11,336,000 | 1,815,000 | 4,497,000 | 48,932,000 | 21,794,000 | 38,454,000 |  |  |  |  |  |  |  |  |  |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ 0.84 | $ 1.03 | $ 0.68 | $ 0.60 | $ 0.27 | $ 0.74 | $ 0.12 | $ 0.29 | $ 3.15 | $ 1.42 | $ 2.51 |  |  |  |  |  |  |  |  |  |
Diluted (in dollars per share) | $ 0.84 | $ 1.02 | $ 0.67 | $ 0.60 | $ 0.27 | $ 0.73 | $ 0.12 | $ 0.29 | $ 3.13 | $ 1.41 | $ 2.48 |  |  |  |  |  |  |  |  |  |
As Adjusted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  |  | 765,284,000 | 892,768,000 |  |  |  |  |  |  |  |  |  |
Net income attributable to ATN stockholders |  |  |  |  |  |  |  |  |  | $ 22,329,000 | $ 56,502,000 |  |  |  |  |  |  |  |  |  |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 1.45 | $ 3.69 |  |  |  |  |  |  |  |  |  |
Diluted (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 1.44 | $ 3.65 |  |  |  |  |  |  |  |  |  |

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- Definition Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph c -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 53 -Subparagraph d -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. + Details
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- Definition The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph e -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 37 -Subparagraph d -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. + Details
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