Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-017047-index-headers.html | 2020-01-28 16:54:58 | |
| 0001193125-20-017047-index.html | 2020-01-28 16:54:58 | |
| 0001193125-20-017047.txt | 2020-01-28 16:54:58 | |
 0001193125-20-017047-xbrl.zip | 22806 | 2020-01-28 16:54:58 |
| bf1-20200117.xml | 4995 | 2020-01-28 16:54:58 |
| bf1-20200117.xsd | 3970 | 2020-01-28 16:54:58 |
| bf1-20200117_def.xml | 91588 | 2020-01-28 16:54:58 |
| bf1-20200117_lab.xml | 127974 | 2020-01-28 16:54:58 |
| bf1-20200117_pre.xml | 78887 | 2020-01-28 16:54:58 |
| d868300d497.htm | 6132 | 2020-01-28 16:54:58 |
| FilingSummary.xml | 3497 | 2020-01-28 16:54:58 |
| Financial_Report.xlsx | 7594 | 2020-01-28 16:54:58 |
 g868300g52s45.jpg | 2152 | 2020-01-28 16:54:58 |
| R1.htm | 18246 | 2020-01-28 16:54:58 |
| R2.htm | 3347 | 2020-01-28 16:54:58 |
| R3.htm | 11656 | 2020-01-28 16:54:58 |
| R4.htm | 7481 | 2020-01-28 16:54:58 |
| report.css | 2767 | 2020-01-28 16:54:58 |
| Show.js | 1084 | 2020-01-28 16:54:58 |