Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000015847-26-000009-index-headers.html | 2026-06-01 12:41:32 | |
| 0000015847-26-000009-index.html | 2026-06-01 12:41:32 | |
| 0000015847-26-000009.txt | 2026-06-01 12:41:32 | |
 0000015847-26-000009-xbrl.zip | 9560 | 2026-06-01 12:41:32 |
| buks-20260601.htm | 23399 | 2026-06-01 12:41:32 |
| buks-20260601.xsd | 1773 | 2026-06-01 12:41:32 |
| buks-20260601_htm.xml | 2432 | 2026-06-01 12:41:32 |
| buks-20260601_lab.xml | 19154 | 2026-06-01 12:41:32 |
| buks-20260601_pre.xml | 10966 | 2026-06-01 12:41:32 |
| buks-exx991xemlofchristoph.htm | 3817 | 2026-06-01 12:41:32 |
| FilingSummary.xml | 1618 | 2026-06-01 12:41:32 |
| MetaLinks.json | 14919 | 2026-06-01 12:41:32 |
| R1.htm | 33323 | 2026-06-01 12:41:32 |
| report.css | 2766 | 2026-06-01 12:41:32 |
| Show.js | 1084 | 2026-06-01 12:41:32 |