Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000015847-26-000011-index-headers.html | 2026-06-10 10:07:26 | |
| 0000015847-26-000011-index.html | 2026-06-10 10:07:26 | |
| 0000015847-26-000011.txt | 2026-06-10 10:07:26 | |
 0000015847-26-000011-xbrl.zip | 7981 | 2026-06-10 10:07:26 |
| buks-20260604.htm | 21764 | 2026-06-10 10:07:26 |
| buks-20260604.xsd | 1773 | 2026-06-10 10:07:26 |
| buks-20260604_htm.xml | 2432 | 2026-06-10 10:07:26 |
| buks-20260604_lab.xml | 19154 | 2026-06-10 10:07:26 |
| buks-20260604_pre.xml | 10966 | 2026-06-10 10:07:26 |
| FilingSummary.xml | 1618 | 2026-06-10 10:07:26 |
| MetaLinks.json | 14919 | 2026-06-10 10:07:26 |
| R1.htm | 33323 | 2026-06-10 10:07:26 |
| report.css | 2766 | 2026-06-10 10:07:26 |
| Show.js | 1084 | 2026-06-10 10:07:26 |