Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-343784-index-headers.html | 2021-11-30 17:05:57 | |
| 0001193125-21-343784-index.html | 2021-11-30 17:05:57 | |
| 0001193125-21-343784.txt | 2021-11-30 17:05:57 | |
 0001193125-21-343784-xbrl.zip | 25123 | 2021-11-30 17:05:57 |
| bf1-20211130.xsd | 5064 | 2021-11-30 17:05:57 |
| bf1-20211130_cal.xml | 4744 | 2021-11-30 17:05:57 |
| bf1-20211130_def.xml | 90705 | 2021-11-30 17:05:57 |
| bf1-20211130_lab.xml | 137686 | 2021-11-30 17:05:57 |
| bf1-20211130_pre.xml | 80693 | 2021-11-30 17:05:57 |
| d137150d497.htm | 9806 | 2021-11-30 17:05:57 |
| d137150d497_htm.xml | 9475 | 2021-11-30 17:05:57 |
| FilingSummary.xml | 2945 | 2021-11-30 17:05:57 |
| Financial_Report.xlsx | 7395 | 2021-11-30 17:05:57 |
| MetaLinks.json | 236391 | 2021-11-30 17:05:57 |
| R1.htm | 18254 | 2021-11-30 17:05:57 |
| R2.htm | 15554 | 2021-11-30 17:05:57 |
| R3.htm | 7482 | 2021-11-30 17:05:57 |
| report.css | 2767 | 2021-11-30 17:05:57 |
| Show.js | 1085 | 2021-11-30 17:05:57 |