Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000768835-12-000095-index-headers.html | 2012-09-05 16:06:15 | |
| 0000768835-12-000095-index.html | 2012-09-05 16:06:15 | |
| 0000768835-12-000095.txt | 2012-09-05 16:06:15 | |
 0000768835-12-000095-xbrl.zip | 163215 | 2012-09-05 16:06:15 |
| big-20120728.xml | 1043510 | 2012-09-05 16:06:15 |
| big-20120728.xsd | 37593 | 2012-09-05 16:06:15 |
| big-20120728_cal.xml | 66669 | 2012-09-05 16:06:15 |
| big-20120728_def.xml | 248620 | 2012-09-05 16:06:15 |
| big-20120728_lab.xml | 618007 | 2012-09-05 16:06:15 |
| big-20120728_pre.xml | 333501 | 2012-09-05 16:06:15 |
| big-2012728x10q.htm | 917965 | 2012-09-05 16:06:15 |
| big-2012728xex311.htm | 14480 | 2012-09-05 16:06:15 |
| big-2012728xex312.htm | 14603 | 2012-09-05 16:06:15 |
| big-2012728xex321.htm | 7066 | 2012-09-05 16:06:15 |
| big-2012728xex322.htm | 7047 | 2012-09-05 16:06:15 |
| FilingSummary.xml | 22006 | 2012-09-05 16:06:15 |
| Financial_Report.xls | 855166 | 2012-09-05 16:06:15 |
| R1.htm | 33899 | 2012-09-05 16:06:15 |
| R10.htm | 49069 | 2012-09-05 16:06:15 |
| R11.htm | 11138 | 2012-09-05 16:06:15 |
| R12.htm | 15336 | 2012-09-05 16:06:15 |
| R13.htm | 23646 | 2012-09-05 16:06:15 |
| R14.htm | 88820 | 2012-09-05 16:06:15 |
| R15.htm | 46413 | 2012-09-05 16:06:15 |
| R16.htm | 9824 | 2012-09-05 16:06:15 |
| R17.htm | 8560 | 2012-09-05 16:06:15 |
| R18.htm | 162109 | 2012-09-05 16:06:15 |
| R19.htm | 31355 | 2012-09-05 16:06:15 |
| R2.htm | 106090 | 2012-09-05 16:06:15 |
| R20.htm | 13023 | 2012-09-05 16:06:15 |
| R21.htm | 15075 | 2012-09-05 16:06:15 |
| R22.htm | 45858 | 2012-09-05 16:06:15 |
| R23.htm | 23641 | 2012-09-05 16:06:15 |
| R24.htm | 85077 | 2012-09-05 16:06:15 |
| R25.htm | 41144 | 2012-09-05 16:06:15 |
| R26.htm | 159188 | 2012-09-05 16:06:15 |
| R27.htm | 26222 | 2012-09-05 16:06:15 |
| R28.htm | 16667 | 2012-09-05 16:06:15 |
| R29.htm | 26437 | 2012-09-05 16:06:15 |
| R3.htm | 8732 | 2012-09-05 16:06:15 |
| R30.htm | 23165 | 2012-09-05 16:06:15 |
| R31.htm | 30498 | 2012-09-05 16:06:15 |
| R32.htm | 27255 | 2012-09-05 16:06:15 |
| R33.htm | 7704 | 2012-09-05 16:06:15 |
| R34.htm | 15081 | 2012-09-05 16:06:15 |
| R35.htm | 18783 | 2012-09-05 16:06:15 |
| R36.htm | 169818 | 2012-09-05 16:06:15 |
| R37.htm | 50375 | 2012-09-05 16:06:15 |
| R38.htm | 6035 | 2012-09-05 16:06:15 |
| R39.htm | 56919 | 2012-09-05 16:06:15 |
| R4.htm | 43685 | 2012-09-05 16:06:15 |
| R40.htm | 39361 | 2012-09-05 16:06:15 |
| R41.htm | 11612 | 2012-09-05 16:06:15 |
| R42.htm | 19220 | 2012-09-05 16:06:15 |
| R5.htm | 12385 | 2012-09-05 16:06:15 |
| R6.htm | 135863 | 2012-09-05 16:06:15 |
| R7.htm | 29764 | 2012-09-05 16:06:15 |
| R8.htm | 85435 | 2012-09-05 16:06:15 |
| R9.htm | 137333 | 2012-09-05 16:06:15 |
| report.css | 2721 | 2012-09-05 16:06:15 |
| Show.js | 6423 | 2012-09-05 16:06:15 |