Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-18-253721-index-headers.html | 2018-08-21 12:18:11 | |
| 0001193125-18-253721-index.html | 2018-08-21 12:18:11 | |
| 0001193125-18-253721.txt | 2018-08-21 12:18:11 | |
 0001193125-18-253721-xbrl.zip | 22313 | 2018-08-21 12:18:11 |
| bf1-20180816.xml | 7455 | 2018-08-21 12:18:11 |
| bf1-20180816.xsd | 4745 | 2018-08-21 12:18:11 |
| bf1-20180816_def.xml | 86218 | 2018-08-21 12:18:11 |
| bf1-20180816_lab.xml | 124537 | 2018-08-21 12:18:11 |
| bf1-20180816_pre.xml | 75396 | 2018-08-21 12:18:11 |
| d596933d497.htm | 7284 | 2018-08-21 12:18:11 |
| FilingSummary.xml | 3525 | 2018-08-21 12:18:11 |
| Financial_Report.xlsx | 7794 | 2018-08-21 12:18:11 |
 g596933g33v22.jpg | 3662 | 2018-08-21 12:18:11 |
| R1.htm | 16184 | 2018-08-21 12:18:11 |
| R2.htm | 4262 | 2018-08-21 12:18:11 |
| R3.htm | 13704 | 2018-08-21 12:18:11 |
| R4.htm | 7477 | 2018-08-21 12:18:11 |
| report.css | 2767 | 2018-08-21 12:18:11 |
| Show.js | 1410 | 2018-08-21 12:18:11 |