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EQUITY (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
Stockholders' equity |  |  |  |
Equity, beginning of period |  |  | $ 699,855 | $ 394,240
Stock-based compensation |  |  | 3,381 | 3,419
Comprehensive income: |  |  |  |
Net income | 18,914 | 307,752 | 43,636 | 329,093
Other comprehensive income |  |  |  |
Gain on interest rate swap (net of tax) |  |  |  | 6,985
Comprehensive income |  |  | 43,636 | 336,078
Issuance of common stock upon exercise of stock options |  |  | 1,106 | 6,778
Dividends declared on common stock |  |  | (13,218) | (11,982)
Distributions to non-controlling interests |  |  | (7,932) | (5,532)
Investments made by non-controlling interests |  |  |  | 135
Sale of non-controlling interest |  |  | (59) | (13,634)
Purchase of treasury stock |  |  | (1,850) | (6,615)
Equity, end of period | 724,919 | 702,887 | 724,919 | 702,887
Atlantic Tele-Network, Inc. |  |  |  |
Stockholders' equity |  |  |  |
Equity, beginning of period |  |  | 643,330 | 334,146
Stock-based compensation |  |  | 3,381 | 3,419
Comprehensive income: |  |  |  |
Net income |  |  | 35,520 | 293,859
Other comprehensive income |  |  |  |
Gain on interest rate swap (net of tax) |  |  |  | 6,985
Comprehensive income |  |  | 35,520 | 300,844
Issuance of common stock upon exercise of stock options |  |  | 1,106 | 6,778
Dividends declared on common stock |  |  | (13,218) | (11,982)
Purchase of treasury stock |  |  | (1,850) | (6,615)
Equity, end of period | 668,269 | 626,590 | 668,269 | 626,590
Non-Controlling Interests |  |  |  |
Stockholders' equity |  |  |  |
Equity, beginning of period |  |  | 56,525 | 60,094
Comprehensive income: |  |  |  |
Net income |  |  | 8,116 | 35,234
Other comprehensive income |  |  |  |
Comprehensive income |  |  | 8,116 | 35,234
Distributions to non-controlling interests |  |  | (7,932) | (5,532)
Investments made by non-controlling interests |  |  |  | 135
Sale of non-controlling interest |  |  | (59) | (13,634)
Equity, end of period | $ 56,650 | $ 76,297 | $ 56,650 | $ 76,297

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