Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000024491-17-000004-index-headers.html | 2017-02-17 12:56:14 | |
| 0000024491-17-000004-index.html | 2017-02-17 12:56:14 | |
| 0000024491-17-000004.txt | 2017-02-17 12:56:14 | |
 0000024491-17-000004-xbrl.zip | 408894 | 2017-02-17 12:56:14 |
| ctb-12311610kexhibit21.htm | 12310 | 2017-02-17 12:56:14 |
| ctb-12311610kexhibit23.htm | 16401 | 2017-02-17 12:56:14 |
| ctb-12311610kexhibit24.htm | 26679 | 2017-02-17 12:56:14 |
| ctb-12311610kexhibit311.htm | 12435 | 2017-02-17 12:56:14 |
| ctb-12311610kexhibit312.htm | 12433 | 2017-02-17 12:56:14 |
| ctb-12311610kexhibit32.htm | 9543 | 2017-02-17 12:56:14 |
| ctb-123116x10k.htm | 2706288 | 2017-02-17 12:56:14 |
 ctb-123116x_chartx13366.jpg | 80884 | 2017-02-17 12:56:14 |
| ctb-20161231.xml | 4105014 | 2017-02-17 12:56:14 |
| ctb-20161231.xsd | 93305 | 2017-02-17 12:56:14 |
| ctb-20161231_cal.xml | 157159 | 2017-02-17 12:56:14 |
| ctb-20161231_def.xml | 497020 | 2017-02-17 12:56:14 |
| ctb-20161231_lab.xml | 1235800 | 2017-02-17 12:56:14 |
| ctb-20161231_pre.xml | 786022 | 2017-02-17 12:56:14 |
| FilingSummary.xml | 64815 | 2017-02-17 12:56:14 |
| Financial_Report.xlsx | 151133 | 2017-02-17 12:56:14 |
| R1.htm | 29976 | 2017-02-17 12:56:14 |
| R10.htm | 37988 | 2017-02-17 12:56:14 |
| R100.htm | 6651 | 2017-02-17 12:56:14 |
| R101.htm | 61707 | 2017-02-17 12:56:14 |
| R102.htm | 17409 | 2017-02-17 12:56:14 |
| R11.htm | 29133 | 2017-02-17 12:56:14 |
| R12.htm | 6424 | 2017-02-17 12:56:14 |
| R13.htm | 62663 | 2017-02-17 12:56:14 |
| R14.htm | 20244 | 2017-02-17 12:56:14 |
| R15.htm | 129365 | 2017-02-17 12:56:14 |
| R16.htm | 38255 | 2017-02-17 12:56:14 |
| R17.htm | 91376 | 2017-02-17 12:56:14 |
| R18.htm | 465801 | 2017-02-17 12:56:14 |
| R19.htm | 14933 | 2017-02-17 12:56:14 |
| R2.htm | 48309 | 2017-02-17 12:56:14 |
| R20.htm | 15378 | 2017-02-17 12:56:14 |
| R21.htm | 132449 | 2017-02-17 12:56:14 |
| R22.htm | 74902 | 2017-02-17 12:56:14 |
| R23.htm | 19848 | 2017-02-17 12:56:14 |
| R24.htm | 12138 | 2017-02-17 12:56:14 |
| R25.htm | 23495 | 2017-02-17 12:56:14 |
| R26.htm | 148319 | 2017-02-17 12:56:14 |
| R27.htm | 6833 | 2017-02-17 12:56:14 |
| R28.htm | 170362 | 2017-02-17 12:56:14 |
| R29.htm | 58363 | 2017-02-17 12:56:14 |
| R3.htm | 50967 | 2017-02-17 12:56:14 |
| R30.htm | 91466 | 2017-02-17 12:56:14 |
| R31.htm | 59679 | 2017-02-17 12:56:14 |
| R32.htm | 28731 | 2017-02-17 12:56:14 |
| R33.htm | 12708 | 2017-02-17 12:56:14 |
| R34.htm | 55532 | 2017-02-17 12:56:14 |
| R35.htm | 19735 | 2017-02-17 12:56:14 |
| R36.htm | 130510 | 2017-02-17 12:56:14 |
| R37.htm | 27112 | 2017-02-17 12:56:14 |
| R38.htm | 79635 | 2017-02-17 12:56:14 |
| R39.htm | 465016 | 2017-02-17 12:56:14 |
| R4.htm | 112317 | 2017-02-17 12:56:14 |
| R40.htm | 14561 | 2017-02-17 12:56:14 |
| R41.htm | 124564 | 2017-02-17 12:56:14 |
| R42.htm | 72360 | 2017-02-17 12:56:14 |
| R43.htm | 18773 | 2017-02-17 12:56:14 |
| R44.htm | 10016 | 2017-02-17 12:56:14 |
| R45.htm | 143113 | 2017-02-17 12:56:14 |
| R46.htm | 169829 | 2017-02-17 12:56:14 |
| R47.htm | 56255 | 2017-02-17 12:56:14 |
| R48.htm | 17632 | 2017-02-17 12:56:14 |
| R49.htm | 29115 | 2017-02-17 12:56:14 |
| R5.htm | 21365 | 2017-02-17 12:56:14 |
| R50.htm | 11470 | 2017-02-17 12:56:14 |
| R51.htm | 18859 | 2017-02-17 12:56:14 |
| R52.htm | 42692 | 2017-02-17 12:56:14 |
| R53.htm | 34749 | 2017-02-17 12:56:14 |
| R54.htm | 25302 | 2017-02-17 12:56:14 |
| R55.htm | 6318 | 2017-02-17 12:56:14 |
| R56.htm | 29518 | 2017-02-17 12:56:14 |
| R57.htm | 27483 | 2017-02-17 12:56:14 |
| R58.htm | 20986 | 2017-02-17 12:56:14 |
| R59.htm | 14350 | 2017-02-17 12:56:14 |
| R6.htm | 63483 | 2017-02-17 12:56:14 |
| R60.htm | 29252 | 2017-02-17 12:56:14 |
| R61.htm | 29601 | 2017-02-17 12:56:14 |
| R62.htm | 21084 | 2017-02-17 12:56:14 |
| R63.htm | 28585 | 2017-02-17 12:56:14 |
| R64.htm | 16296 | 2017-02-17 12:56:14 |
| R65.htm | 67628 | 2017-02-17 12:56:14 |
| R66.htm | 23243 | 2017-02-17 12:56:14 |
| R67.htm | 17815 | 2017-02-17 12:56:14 |
| R68.htm | 19616 | 2017-02-17 12:56:14 |
| R69.htm | 18239 | 2017-02-17 12:56:14 |
| R7.htm | 6802 | 2017-02-17 12:56:14 |
| R70.htm | 20124 | 2017-02-17 12:56:14 |
| R71.htm | 77677 | 2017-02-17 12:56:14 |
| R72.htm | 84716 | 2017-02-17 12:56:14 |
| R73.htm | 17571 | 2017-02-17 12:56:14 |
| R74.htm | 30974 | 2017-02-17 12:56:14 |
| R75.htm | 26483 | 2017-02-17 12:56:14 |
| R76.htm | 17349 | 2017-02-17 12:56:14 |
| R77.htm | 11267 | 2017-02-17 12:56:14 |
| R78.htm | 21888 | 2017-02-17 12:56:14 |
| R79.htm | 41663 | 2017-02-17 12:56:14 |
| R8.htm | 84611 | 2017-02-17 12:56:14 |
| R80.htm | 13053 | 2017-02-17 12:56:14 |
| R81.htm | 20445 | 2017-02-17 12:56:14 |
| R82.htm | 10914 | 2017-02-17 12:56:14 |
| R83.htm | 47900 | 2017-02-17 12:56:14 |
| R84.htm | 11941 | 2017-02-17 12:56:14 |
| R85.htm | 188986 | 2017-02-17 12:56:14 |
| R86.htm | 12999 | 2017-02-17 12:56:14 |
| R87.htm | 48910 | 2017-02-17 12:56:14 |
| R88.htm | 22429 | 2017-02-17 12:56:14 |
| R89.htm | 35390 | 2017-02-17 12:56:14 |
| R9.htm | 91487 | 2017-02-17 12:56:14 |
| R90.htm | 26420 | 2017-02-17 12:56:14 |
| R91.htm | 54025 | 2017-02-17 12:56:14 |
| R92.htm | 12523 | 2017-02-17 12:56:14 |
| R93.htm | 6922 | 2017-02-17 12:56:14 |
| R94.htm | 17046 | 2017-02-17 12:56:14 |
| R95.htm | 26757 | 2017-02-17 12:56:14 |
| R96.htm | 11364 | 2017-02-17 12:56:14 |
| R97.htm | 12115 | 2017-02-17 12:56:14 |
| R98.htm | 60668 | 2017-02-17 12:56:14 |
| R99.htm | 21189 | 2017-02-17 12:56:14 |
| report.css | 2768 | 2017-02-17 12:56:14 |
| Show.js | 1411 | 2017-02-17 12:56:14 |