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| 0001564590-22-018821.txt | 2022-05-09 14:39:52 | |
 0001564590-22-018821-xbrl.zip | 181169 | 2022-05-09 14:39:52 |
| cbt-10q_20220331.htm | 3322151 | 2022-05-09 14:39:52 |
| cbt-10q_20220331_htm.xml | 2765196 | 2022-05-09 14:39:52 |
| cbt-20220331.xsd | 45968 | 2022-05-09 14:39:52 |
| cbt-20220331_cal.xml | 74053 | 2022-05-09 14:39:52 |
| cbt-20220331_def.xml | 155912 | 2022-05-09 14:39:52 |
| cbt-20220331_lab.xml | 384556 | 2022-05-09 14:39:52 |
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| cbt-ex311_7.htm | 17854 | 2022-05-09 14:39:52 |
| cbt-ex312_6.htm | 17786 | 2022-05-09 14:39:52 |
| cbt-ex32_8.htm | 9675 | 2022-05-09 14:39:52 |
| FilingSummary.xml | 35063 | 2022-05-09 14:39:52 |
| Financial_Report.xlsx | 74341 | 2022-05-09 14:39:52 |
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| report.css | 2767 | 2022-05-09 14:39:52 |
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