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|---|---|---|
 0001193125-19-042073-index-headers.html | 2019-02-15 13:29:27 | |
| 0001193125-19-042073-index.html | 2019-02-15 13:29:27 | |
| 0001193125-19-042073.txt | 2019-02-15 13:29:27 | |
 0001193125-19-042073-xbrl.zip | 93704 | 2019-02-15 13:29:27 |
 BarChart1.png | 31576 | 2019-02-15 13:29:27 |
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 BarChart3.png | 31576 | 2019-02-15 13:29:27 |
| bf17-20190128.xml | 159652 | 2019-02-15 13:29:27 |
| bf17-20190128.xsd | 18612 | 2019-02-15 13:29:27 |
| bf17-20190128_cal.xml | 4757 | 2019-02-15 13:29:27 |
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| bf17-20190128_lab.xml | 156826 | 2019-02-15 13:29:27 |
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| FilingSummary.xml | 6380 | 2019-02-15 13:29:27 |
 g675283g47h15.jpg | 3992 | 2019-02-15 13:29:27 |
| R1.htm | 18247 | 2019-02-15 13:29:27 |
| R10.htm | 113392 | 2019-02-15 13:29:27 |
| R15.htm | 178576 | 2019-02-15 13:29:27 |
| R16.htm | 115072 | 2019-02-15 13:29:27 |
| R2.htm | 133268 | 2019-02-15 13:29:27 |
| R21.htm | 197787 | 2019-02-15 13:29:27 |
| R22.htm | 7479 | 2019-02-15 13:29:27 |
| R9.htm | 230980 | 2019-02-15 13:29:27 |
| report.css | 2767 | 2019-02-15 13:29:27 |
| Show.js | 1085 | 2019-02-15 13:29:27 |