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|---|---|---|
 0001193125-21-336672-index-headers.html | 2021-11-22 15:26:04 | |
| 0001193125-21-336672-index.html | 2021-11-22 15:26:04 | |
| 0001193125-21-336672.txt | 2021-11-22 15:26:04 | |
 0001193125-21-336672-xbrl.zip | 581956 | 2021-11-22 15:26:04 |
| bf14-20211122.xsd | 6606 | 2021-11-22 15:26:04 |
| bf14-20211122_cal.xml | 4745 | 2021-11-22 15:26:04 |
| bf14-20211122_def.xml | 170755 | 2021-11-22 15:26:04 |
| bf14-20211122_lab.xml | 153914 | 2021-11-22 15:26:04 |
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| d402801d485bpos.htm | 3986984 | 2021-11-22 15:26:04 |
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| d402801dex9910a.htm | 2488 | 2021-11-22 15:26:04 |
| FilingSummary.xml | 3479 | 2021-11-22 15:26:04 |
| Financial_Report.xlsx | 38408 | 2021-11-22 15:26:04 |
 g402801bar.jpg | 3245 | 2021-11-22 15:26:04 |
 g402801c000121724_dgf.jpg | 13014 | 2021-11-22 15:26:04 |
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 g402801img27b9aceb1.gif | 2804 | 2021-11-22 15:26:04 |
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| R1.htm | 18258 | 2021-11-22 15:26:04 |
| R2.htm | 302730 | 2021-11-22 15:26:04 |
| R3.htm | 245813 | 2021-11-22 15:26:04 |
| report.css | 2767 | 2021-11-22 15:26:04 |
| Show.js | 1085 | 2021-11-22 15:26:04 |