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STOCKHOLDER'S EQUITY (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Changes in total equity |  |
Equity, beginning of period | $ 394,240 | $ 352,530
Stock-based compensation | 844 | 1,095
Comprehensive income: |  |
Net income | 9,918 | 8,937
Other comprehensive income - |  |
Gain on interest rate swap (net of tax) | 641 | 236
Comprehensive income | 10,559 | 9,173
Issuance of common stock upon exercise of stock options | 2,667 | 103
Dividends declared on common stock | (3,933) | (3,552)
Distributions to non-controlling interests | (1,469) | (424)
Investments made by minority shareholders | 60 | 450
Purchase of treasury stock | (3,272) | (170)
Equity, end of period | 399,696 | 359,205
Atlantic Tele-Network, Inc. |  |
Changes in total equity |  |
Equity, beginning of period | 334,146 | 294,266
Stock-based compensation | 844 | 1,095
Comprehensive income: |  |
Net income | 8,776 | 9,321
Other comprehensive income - |  |
Gain on interest rate swap (net of tax) | 641 | 236
Comprehensive income | 9,417 | 9,557
Issuance of common stock upon exercise of stock options | 2,667 | 103
Dividends declared on common stock | (3,933) | (3,552)
Purchase of treasury stock | (3,272) | (170)
Equity, end of period | 339,869 | 301,299
Non-Controlling Interests |  |
Changes in total equity |  |
Equity, beginning of period | 60,094 | 58,264
Comprehensive income: |  |
Net income | 1,142 | (384)
Other comprehensive income - |  |
Comprehensive income | 1,142 | (384)
Distributions to non-controlling interests | (1,469) | (424)
Investments made by minority shareholders | 60 | 450
Equity, end of period | $ 59,827 | $ 57,906

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