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| 0000711080-20-000036-index.html | 2020-05-15 16:01:11 | |
| 0000711080-20-000036.txt | 2020-05-15 16:01:11 | |
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 BarChart2.png | 30138 | 2020-05-15 16:01:11 |
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| ck0000711080-20191231.xml | 417134 | 2020-05-15 16:01:11 |
| ck0000711080-20191231.xsd | 7394 | 2020-05-15 16:01:11 |
| ck0000711080-20191231_cal.xml | 4534 | 2020-05-15 16:01:11 |
| ck0000711080-20191231_def.xml | 17091 | 2020-05-15 16:01:11 |
| ck0000711080-20191231_lab.xml | 198640 | 2020-05-15 16:01:11 |
| ck0000711080-20191231_pre.xml | 174150 | 2020-05-15 16:01:11 |
| FilingSummary.xml | 2412 | 2020-05-15 16:01:11 |
| R1.htm | 332543 | 2020-05-15 16:01:11 |
| R8.htm | 576015 | 2020-05-15 16:01:11 |
| report.css | 2767 | 2020-05-15 16:01:11 |
| Show.js | 1085 | 2020-05-15 16:01:11 |
 tilogodataglinergba60.jpg | 80230 | 2020-05-15 16:01:11 |
 tst123119xbrltransmit_image1.jpg | 178447 | 2020-05-15 16:01:11 |
| tstannualupdate123119-pros.htm | 1972609 | 2020-05-15 16:01:11 |