Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-13-454699-index-headers.html | 2013-11-26 14:32:26 | |
| 0001193125-13-454699-index.html | 2013-11-26 14:32:26 | |
| 0001193125-13-454699.txt | 2013-11-26 14:32:26 | |
 0001193125-13-454699-xbrl.zip | 100351 | 2013-11-26 14:32:26 |
| bv-20131031.xml | 498626 | 2013-11-26 14:32:26 |
| bv-20131031.xsd | 30981 | 2013-11-26 14:32:26 |
| bv-20131031_cal.xml | 59278 | 2013-11-26 14:32:26 |
| bv-20131031_def.xml | 221125 | 2013-11-26 14:32:26 |
| bv-20131031_lab.xml | 308722 | 2013-11-26 14:32:26 |
| bv-20131031_pre.xml | 253887 | 2013-11-26 14:32:26 |
| d599822d10q.htm | 718451 | 2013-11-26 14:32:26 |
| d599822dex311.htm | 8392 | 2013-11-26 14:32:26 |
| d599822dex312.htm | 8392 | 2013-11-26 14:32:26 |
| d599822dex321.htm | 2690 | 2013-11-26 14:32:26 |
| d599822dex322.htm | 2689 | 2013-11-26 14:32:26 |
| FilingSummary.xml | 20750 | 2013-11-26 14:32:26 |
| Financial_Report.xls | 405969 | 2013-11-26 14:32:26 |
| Financial_Report.xlsx | 101338 | 2013-11-26 14:32:26 |
| R1.htm | 28797 | 2013-11-26 14:32:26 |
| R10.htm | 66444 | 2013-11-26 14:32:26 |
| R11.htm | 16014 | 2013-11-26 14:32:26 |
| R12.htm | 3553 | 2013-11-26 14:32:26 |
| R13.htm | 20872 | 2013-11-26 14:32:26 |
| R14.htm | 7379 | 2013-11-26 14:32:26 |
| R15.htm | 8135 | 2013-11-26 14:32:26 |
| R16.htm | 12823 | 2013-11-26 14:32:26 |
| R17.htm | 12597 | 2013-11-26 14:32:26 |
| R18.htm | 4123 | 2013-11-26 14:32:26 |
| R19.htm | 105341 | 2013-11-26 14:32:26 |
| R2.htm | 101790 | 2013-11-26 14:32:26 |
| R20.htm | 5483 | 2013-11-26 14:32:26 |
| R21.htm | 67205 | 2013-11-26 14:32:26 |
| R22.htm | 6875 | 2013-11-26 14:32:26 |
| R23.htm | 22786 | 2013-11-26 14:32:26 |
| R24.htm | 11659 | 2013-11-26 14:32:26 |
| R25.htm | 18067 | 2013-11-26 14:32:26 |
| R26.htm | 11827 | 2013-11-26 14:32:26 |
| R27.htm | 8996 | 2013-11-26 14:32:26 |
| R28.htm | 17790 | 2013-11-26 14:32:26 |
| R29.htm | 36128 | 2013-11-26 14:32:26 |
| R3.htm | 19387 | 2013-11-26 14:32:26 |
| R30.htm | 17603 | 2013-11-26 14:32:26 |
| R31.htm | 5899 | 2013-11-26 14:32:26 |
| R32.htm | 5620 | 2013-11-26 14:32:26 |
| R33.htm | 22828 | 2013-11-26 14:32:26 |
| R34.htm | 21112 | 2013-11-26 14:32:26 |
| R35.htm | 9949 | 2013-11-26 14:32:26 |
| R36.htm | 26311 | 2013-11-26 14:32:26 |
| R37.htm | 25096 | 2013-11-26 14:32:26 |
| R38.htm | 13482 | 2013-11-26 14:32:26 |
| R4.htm | 62358 | 2013-11-26 14:32:26 |
| R5.htm | 22825 | 2013-11-26 14:32:26 |
| R6.htm | 44211 | 2013-11-26 14:32:26 |
| R7.htm | 104472 | 2013-11-26 14:32:26 |
| R8.htm | 5134 | 2013-11-26 14:32:26 |
| R9.htm | 46972 | 2013-11-26 14:32:26 |
| report.css | 2740 | 2013-11-26 14:32:26 |
| Show.js | 1410 | 2013-11-26 14:32:26 |