Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000018926-20-000019-index-headers.html | 2020-08-05 16:21:37 | |
| 0000018926-20-000019-index.html | 2020-08-05 16:21:37 | |
| 0000018926-20-000019.txt | 2020-08-05 16:21:37 | |
 0000018926-20-000019-xbrl.zip | 57074 | 2020-08-05 16:21:37 |
| ctl-20200805.htm | 56709 | 2020-08-05 16:21:37 |
| ctl-20200805.xsd | 2606 | 2020-08-05 16:21:37 |
| ctl-20200805_cal.xml | 751 | 2020-08-05 16:21:37 |
| ctl-20200805_def.xml | 15661 | 2020-08-05 16:21:37 |
 ctl-20200805_g1.jpg | 17400 | 2020-08-05 16:21:37 |
| ctl-20200805_htm.xml | 13586 | 2020-08-05 16:21:37 |
| ctl-20200805_lab.xml | 30215 | 2020-08-05 16:21:37 |
| ctl-20200805_pre.xml | 16272 | 2020-08-05 16:21:37 |
| ctl2q20208-kexhibit991.htm | 516296 | 2020-08-05 16:21:37 |
 earningsreleaselogoa021.jpg | 78342 | 2020-08-05 16:21:37 |
| FilingSummary.xml | 1883 | 2020-08-05 16:21:37 |
| Financial_Report.xlsx | 5536 | 2020-08-05 16:21:37 |
| MetaLinks.json | 21294 | 2020-08-05 16:21:37 |
| R1.htm | 42780 | 2020-08-05 16:21:37 |
| report.css | 2767 | 2020-08-05 16:21:37 |
| Show.js | 1085 | 2020-08-05 16:21:37 |