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|---|---|---|
 0000018926-17-000023-index-headers.html | 2017-05-04 19:02:20 | |
| 0000018926-17-000023-index.html | 2017-05-04 19:02:20 | |
| 0000018926-17-000023.txt | 2017-05-04 19:02:20 | |
 0000018926-17-000023-xbrl.zip | 186173 | 2017-05-04 19:02:20 |
| ctl-20170331.xml | 1183817 | 2017-05-04 19:02:20 |
| ctl-20170331.xsd | 37189 | 2017-05-04 19:02:20 |
| ctl-20170331_cal.xml | 88939 | 2017-05-04 19:02:20 |
| ctl-20170331_def.xml | 255749 | 2017-05-04 19:02:20 |
| ctl-20170331_lab.xml | 634659 | 2017-05-04 19:02:20 |
| ctl-20170331_pre.xml | 380746 | 2017-05-04 19:02:20 |
| ctl2017033110q.htm | 1350375 | 2017-05-04 19:02:20 |
| ctl2017033110qex12.htm | 59140 | 2017-05-04 19:02:20 |
| ctl2017033110qex311.htm | 12180 | 2017-05-04 19:02:20 |
| ctl2017033110qex312.htm | 12243 | 2017-05-04 19:02:20 |
| ctl2017033110qex32.htm | 7597 | 2017-05-04 19:02:20 |
 ctllogo1a03.jpg | 17400 | 2017-05-04 19:02:20 |
| FilingSummary.xml | 30094 | 2017-05-04 19:02:20 |
| Financial_Report.xlsx | 69008 | 2017-05-04 19:02:20 |
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| report.css | 2767 | 2017-05-04 19:02:20 |
| Show.js | 1410 | 2017-05-04 19:02:20 |