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|---|---|---|
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| 0000014693-22-000022-index.html | 2022-03-03 16:17:50 | |
| 0000014693-22-000022.txt | 2022-03-03 16:17:50 | |
 0000014693-22-000022-xbrl.zip | 243701 | 2022-03-03 16:17:50 |
| bfb-01312022xex311january.htm | 10565 | 2022-03-03 16:17:50 |
| bfb-01312022xex312january.htm | 10478 | 2022-03-03 16:17:50 |
| bfb-01312022xex32january.htm | 9900 | 2022-03-03 16:17:50 |
| bfb-20220131.htm | 1688601 | 2022-03-03 16:17:50 |
| bfb-20220131.xsd | 40336 | 2022-03-03 16:17:50 |
| bfb-20220131_cal.xml | 75941 | 2022-03-03 16:17:50 |
| bfb-20220131_def.xml | 228473 | 2022-03-03 16:17:50 |
| bfb-20220131_htm.xml | 1712954 | 2022-03-03 16:17:50 |
| bfb-20220131_lab.xml | 518994 | 2022-03-03 16:17:50 |
| bfb-20220131_pre.xml | 341931 | 2022-03-03 16:17:50 |
| FilingSummary.xml | 31553 | 2022-03-03 16:17:50 |
| Financial_Report.xlsx | 71633 | 2022-03-03 16:17:50 |
| MetaLinks.json | 602469 | 2022-03-03 16:17:50 |
| R1.htm | 62557 | 2022-03-03 16:17:50 |
| R10.htm | 10879 | 2022-03-03 16:17:50 |
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| R9.htm | 4817 | 2022-03-03 16:17:50 |
| report.css | 2767 | 2022-03-03 16:17:50 |
| Show.js | 1085 | 2022-03-03 16:17:50 |