Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000819050-21-000170-index-headers.html | 2021-11-09 16:16:36 | |
| 0000819050-21-000170-index.html | 2021-11-09 16:16:36 | |
| 0000819050-21-000170.txt | 2021-11-09 16:16:36 | |
 0000819050-21-000170-xbrl.zip | 240493 | 2021-11-09 16:16:36 |
| a2021093010qex102.htm | 107882 | 2021-11-09 16:16:36 |
| a2021093010qex311.htm | 10114 | 2021-11-09 16:16:36 |
| a2021093010qex312.htm | 9843 | 2021-11-09 16:16:36 |
| a2021093010qex321.htm | 8920 | 2021-11-09 16:16:36 |
| bbi-20210930.htm | 1227167 | 2021-11-09 16:16:36 |
| bbi-20210930.xsd | 33221 | 2021-11-09 16:16:36 |
| bbi-20210930_cal.xml | 36737 | 2021-11-09 16:16:36 |
| bbi-20210930_def.xml | 146272 | 2021-11-09 16:16:36 |
| bbi-20210930_htm.xml | 570367 | 2021-11-09 16:16:36 |
| bbi-20210930_lab.xml | 379904 | 2021-11-09 16:16:36 |
| bbi-20210930_pre.xml | 243493 | 2021-11-09 16:16:36 |
| FilingSummary.xml | 22755 | 2021-11-09 16:16:36 |
| Financial_Report.xlsx | 63316 | 2021-11-09 16:16:36 |
| MetaLinks.json | 394567 | 2021-11-09 16:16:36 |
| R1.htm | 52175 | 2021-11-09 16:16:36 |
| R10.htm | 9083 | 2021-11-09 16:16:36 |
| R11.htm | 48902 | 2021-11-09 16:16:36 |
| R12.htm | 11883 | 2021-11-09 16:16:36 |
| R13.htm | 5452 | 2021-11-09 16:16:36 |
| R14.htm | 18617 | 2021-11-09 16:16:36 |
| R15.htm | 30805 | 2021-11-09 16:16:36 |
| R16.htm | 20294 | 2021-11-09 16:16:36 |
| R17.htm | 7309 | 2021-11-09 16:16:36 |
| R18.htm | 46903 | 2021-11-09 16:16:36 |
| R19.htm | 25425 | 2021-11-09 16:16:36 |
| R2.htm | 82159 | 2021-11-09 16:16:36 |
| R20.htm | 11516 | 2021-11-09 16:16:36 |
| R21.htm | 9364 | 2021-11-09 16:16:36 |
| R22.htm | 13358 | 2021-11-09 16:16:36 |
| R23.htm | 16500 | 2021-11-09 16:16:36 |
| R24.htm | 32004 | 2021-11-09 16:16:36 |
| R25.htm | 4866 | 2021-11-09 16:16:36 |
| R26.htm | 6925 | 2021-11-09 16:16:36 |
| R27.htm | 25041 | 2021-11-09 16:16:36 |
| R28.htm | 12445 | 2021-11-09 16:16:36 |
| R29.htm | 11234 | 2021-11-09 16:16:36 |
| R3.htm | 11022 | 2021-11-09 16:16:36 |
| R30.htm | 12707 | 2021-11-09 16:16:36 |
| R31.htm | 36665 | 2021-11-09 16:16:36 |
| R32.htm | 12271 | 2021-11-09 16:16:36 |
| R33.htm | 144163 | 2021-11-09 16:16:36 |
| R34.htm | 22466 | 2021-11-09 16:16:36 |
| R35.htm | 31324 | 2021-11-09 16:16:36 |
| R36.htm | 10727 | 2021-11-09 16:16:36 |
| R37.htm | 15212 | 2021-11-09 16:16:36 |
| R4.htm | 57786 | 2021-11-09 16:16:36 |
| R5.htm | 23232 | 2021-11-09 16:16:36 |
| R6.htm | 5571 | 2021-11-09 16:16:36 |
| R7.htm | 87553 | 2021-11-09 16:16:36 |
| R8.htm | 5519 | 2021-11-09 16:16:36 |
| R9.htm | 67116 | 2021-11-09 16:16:36 |
| report.css | 2767 | 2021-11-09 16:16:36 |
| Show.js | 1085 | 2021-11-09 16:16:36 |