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| 0000024491-18-000024-index.html | 2018-10-29 11:35:56 | |
| 0000024491-18-000024.txt | 2018-10-29 11:35:56 | |
 0000024491-18-000024-xbrl.zip | 222943 | 2018-10-29 11:35:56 |
| ctb-09302018x10q.htm | 1353916 | 2018-10-29 11:35:56 |
| ctb-09302018xex311.htm | 11881 | 2018-10-29 11:35:56 |
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| ctb-09302018xex32.htm | 7848 | 2018-10-29 11:35:56 |
| ctb-20180930.xml | 2055141 | 2018-10-29 11:35:56 |
| ctb-20180930.xsd | 49283 | 2018-10-29 11:35:56 |
| ctb-20180930_cal.xml | 111377 | 2018-10-29 11:35:56 |
| ctb-20180930_def.xml | 217924 | 2018-10-29 11:35:56 |
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| ctb-20180930_pre.xml | 379034 | 2018-10-29 11:35:56 |
| FilingSummary.xml | 39862 | 2018-10-29 11:35:56 |
| Financial_Report.xlsx | 86348 | 2018-10-29 11:35:56 |
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| report.css | 2767 | 2018-10-29 11:35:56 |
| Show.js | 1085 | 2018-10-29 11:35:56 |