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| 0000068622-20-000012-index.html | 2020-11-05 16:33:25 | |
| 0000068622-20-000012.txt | 2020-11-05 16:33:25 | |
 0000068622-20-000012-xbrl.zip | 192605 | 2020-11-05 16:33:25 |
| ctl-20200930.htm | 964533 | 2020-11-05 16:33:25 |
| ctl-20200930.xsd | 33505 | 2020-11-05 16:33:25 |
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| report.css | 2767 | 2020-11-05 16:33:25 |
| Show.js | 1085 | 2020-11-05 16:33:25 |