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|---|---|---|
 0001193125-18-353339-index-headers.html | 2018-12-19 16:44:25 | |
| 0001193125-18-353339-index.html | 2018-12-19 16:44:25 | |
| 0001193125-18-353339.txt | 2018-12-19 16:44:25 | |
 0001193125-18-353339-xbrl.zip | 76498 | 2018-12-19 16:44:25 |
 BarChart1.png | 17219 | 2018-12-19 16:44:25 |
 BarChart2.png | 17320 | 2018-12-19 16:44:25 |
| bf11-20181203.xml | 163423 | 2018-12-19 16:44:25 |
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| bf11-20181203_lab.xml | 156617 | 2018-12-19 16:44:25 |
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| FilingSummary.xml | 4979 | 2018-12-19 16:44:25 |
 g650412g27c58.jpg | 2299 | 2018-12-19 16:44:25 |
| R1.htm | 18244 | 2018-12-19 16:44:25 |
| R10.htm | 126777 | 2018-12-19 16:44:25 |
| R15.htm | 217281 | 2018-12-19 16:44:25 |
| R16.htm | 7480 | 2018-12-19 16:44:25 |
| R2.htm | 145091 | 2018-12-19 16:44:25 |
| R9.htm | 264590 | 2018-12-19 16:44:25 |
| report.css | 2767 | 2018-12-19 16:44:25 |
| Show.js | 1085 | 2018-12-19 16:44:25 |