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| 0001193125-17-237341-index.html | 2017-07-27 07:06:05 | |
| 0001193125-17-237341.txt | 2017-07-27 07:06:05 | |
 0001193125-17-237341-xbrl.zip | 184799 | 2017-07-27 07:06:05 |
| d412519d10q.htm | 837129 | 2017-07-27 07:06:05 |
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| d412519dex991.htm | 87239 | 2017-07-27 07:06:05 |
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| Financial_Report.xlsx | 76886 | 2017-07-27 07:06:05 |
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| R1.htm | 22047 | 2017-07-27 07:06:05 |
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| report.css | 2767 | 2017-07-27 07:06:05 |
| Show.js | 1410 | 2017-07-27 07:06:05 |
| utl-20170630.xml | 1411518 | 2017-07-27 07:06:05 |
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| utl-20170630_pre.xml | 415006 | 2017-07-27 07:06:05 |