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|---|---|---|
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| 0000068622-18-000009-index.html | 2018-08-13 07:45:08 | |
| 0000068622-18-000009.txt | 2018-08-13 07:45:08 | |
 0000068622-18-000009-xbrl.zip | 134076 | 2018-08-13 07:45:08 |
| ctl-20180630.xml | 833574 | 2018-08-13 07:45:08 |
| ctl-20180630.xsd | 33128 | 2018-08-13 07:45:08 |
| ctl-20180630_cal.xml | 59425 | 2018-08-13 07:45:08 |
| ctl-20180630_def.xml | 155914 | 2018-08-13 07:45:08 |
| ctl-20180630_lab.xml | 414049 | 2018-08-13 07:45:08 |
| ctl-20180630_pre.xml | 260630 | 2018-08-13 07:45:08 |
| ctq2018063010q.htm | 845749 | 2018-08-13 07:45:08 |
| ctq2018063010qex12.htm | 51412 | 2018-08-13 07:45:08 |
| ctq2018063010qex311.htm | 12627 | 2018-08-13 07:45:08 |
| ctq2018063010qex312.htm | 12722 | 2018-08-13 07:45:08 |
| ctq2018063010qex32.htm | 7819 | 2018-08-13 07:45:08 |
| FilingSummary.xml | 28063 | 2018-08-13 07:45:08 |
| Financial_Report.xlsx | 58342 | 2018-08-13 07:45:08 |
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| R9.htm | 20424 | 2018-08-13 07:45:08 |
| report.css | 2767 | 2018-08-13 07:45:08 |
| Show.js | 1410 | 2018-08-13 07:45:08 |