Parent Directory| Name | Size | Last Modified |
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| 0001193125-22-073384-index.html | 2022-03-11 16:06:11 | |
| 0001193125-22-073384.txt | 2022-03-11 16:06:11 | |
 0001193125-22-073384-xbrl.zip | 70373 | 2022-03-11 16:06:11 |
| cik0000086521-20220311.xsd | 5424 | 2022-03-11 16:06:11 |
| cik0000086521-20220311_cal.xml | 664 | 2022-03-11 16:06:11 |
| cik0000086521-20220311_def.xml | 14183 | 2022-03-11 16:06:11 |
| cik0000086521-20220311_lab.xml | 18920 | 2022-03-11 16:06:11 |
| cik0000086521-20220311_pre.xml | 14409 | 2022-03-11 16:06:11 |
| d683674d8k.htm | 51655 | 2022-03-11 16:06:11 |
| d683674d8k_htm.xml | 7365 | 2022-03-11 16:06:11 |
| d683674dex41.htm | 234343 | 2022-03-11 16:06:11 |
| d683674dex42.htm | 222986 | 2022-03-11 16:06:11 |
| d683674dex51.htm | 15969 | 2022-03-11 16:06:11 |
| FilingSummary.xml | 1825 | 2022-03-11 16:06:11 |
| Financial_Report.xlsx | 6020 | 2022-03-11 16:06:11 |
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 g683674dsp55.jpg | 1995 | 2022-03-11 16:06:11 |
| MetaLinks.json | 21130 | 2022-03-11 16:06:11 |
| R1.htm | 47754 | 2022-03-11 16:06:11 |
| report.css | 2767 | 2022-03-11 16:06:11 |
| Show.js | 1085 | 2022-03-11 16:06:11 |