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| 0000068622-19-000009-index.html | 2019-08-09 16:19:49 | |
| 0000068622-19-000009.txt | 2019-08-09 16:19:49 | |
 0000068622-19-000009-xbrl.zip | 182642 | 2019-08-09 16:19:49 |
| ctl-20190630.xsd | 39962 | 2019-08-09 16:19:49 |
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| FilingSummary.xml | 33536 | 2019-08-09 16:19:49 |
| Financial_Report.xlsx | 61831 | 2019-08-09 16:19:49 |
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| report.css | 2767 | 2019-08-09 16:19:49 |
| Show.js | 1085 | 2019-08-09 16:19:49 |