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| 0000768835-15-000070-index.html | 2015-12-09 16:05:30 | |
| 0000768835-15-000070.txt | 2015-12-09 16:05:30 | |
 0000768835-15-000070-xbrl.zip | 190907 | 2015-12-09 16:05:30 |
| big-20151031.xml | 1204052 | 2015-12-09 16:05:30 |
| big-20151031.xsd | 35032 | 2015-12-09 16:05:30 |
| big-20151031x10q.htm | 1026528 | 2015-12-09 16:05:30 |
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| big-20151031xex322.htm | 7081 | 2015-12-09 16:05:30 |
| big-20151031_cal.xml | 82235 | 2015-12-09 16:05:30 |
| big-20151031_def.xml | 308572 | 2015-12-09 16:05:30 |
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| big-20151031_pre.xml | 385713 | 2015-12-09 16:05:30 |
| FilingSummary.xml | 27824 | 2015-12-09 16:05:30 |
| Financial_Report.xlsx | 65227 | 2015-12-09 16:05:30 |
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| report.css | 2767 | 2015-12-09 16:05:30 |
| Show.js | 1410 | 2015-12-09 16:05:30 |