Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-254930-index-headers.html | 2019-09-25 19:44:53 | |
| 0001193125-19-254930-index.html | 2019-09-25 19:44:53 | |
| 0001193125-19-254930.txt | 2019-09-25 19:44:53 | |
 0001193125-19-254930-xbrl.zip | 153860 | 2019-09-25 19:44:53 |
| ctl-20190912.xsd | 5040 | 2019-09-25 19:44:53 |
| ctl-20190912_cal.xml | 682 | 2019-09-25 19:44:53 |
| ctl-20190912_def.xml | 12413 | 2019-09-25 19:44:53 |
| ctl-20190912_lab.xml | 16068 | 2019-09-25 19:44:53 |
| ctl-20190912_pre.xml | 12824 | 2019-09-25 19:44:53 |
| d807431d8k.htm | 74160 | 2019-09-25 19:44:53 |
| d807431d8k_htm.xml | 5595 | 2019-09-25 19:44:53 |
| d807431dex991.htm | 842765 | 2019-09-25 19:44:53 |
| d807431dex992.htm | 5511 | 2019-09-25 19:44:53 |
| d807431dex993.htm | 6831 | 2019-09-25 19:44:53 |
| FilingSummary.xml | 1782 | 2019-09-25 19:44:53 |
| Financial_Report.xlsx | 6052 | 2019-09-25 19:44:53 |
 g807431ex992.jpg | 126829 | 2019-09-25 19:44:53 |
 g807431ex993.jpg | 127115 | 2019-09-25 19:44:53 |
| MetaLinks.json | 20217 | 2019-09-25 19:44:53 |
| R1.htm | 44261 | 2019-09-25 19:44:53 |
| report.css | 2767 | 2019-09-25 19:44:53 |
| Show.js | 1085 | 2019-09-25 19:44:53 |