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Dividends Declared Per Share | 3 Months Ended
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Mar. 31, 2014
Dividends Declared Per Share | NOTE 2 – DIVIDENDS DECLARED PER SHARE
Declaration Date |  | Date Paid (Payable) |  | Shareholder of Record Date |  |  | Dividend Amount
04/22/14 |  | 05/29/14 |  |  | 05/15/14 |  |  | $ 0.345
01/16/14 |  | 02/28/14 |  |  | 02/14/14 |  |  | $ 0.345
09/18/13 |  | 11/15/13 |  |  | 11/01/13 |  |  | $ 0.345
06/05/13 |  | 08/15/13 |  |  | 08/01/13 |  |  | $ 0.345
03/28/13 |  | 05/15/13 |  |  | 05/01/13 |  |  | $ 0.345
01/17/13 |  | 02/15/13 |  |  | 02/01/13 |  |  | $ 0.345

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- Definition Disclosure of Dividends Declared and Paid. + References No definition available. + Details
Name: | utl_DisclosureOfDividendsDeclaredAndPaidTextBlock
Namespace Prefix: | utl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration