Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000768835-20-000146-index-headers.html | 2020-10-06 16:02:43 | |
| 0000768835-20-000146-index.html | 2020-10-06 16:02:43 | |
| 0000768835-20-000146.txt | 2020-10-06 16:02:43 | |
 0000768835-20-000146-xbrl.zip | 14028 | 2020-10-06 16:02:43 |
| big-20201001.htm | 39573 | 2020-10-06 16:02:43 |
| big-20201001.xsd | 2669 | 2020-10-06 16:02:43 |
| big-20201001_cal.xml | 731 | 2020-10-06 16:02:43 |
| big-20201001_def.xml | 14473 | 2020-10-06 16:02:43 |
| big-20201001_htm.xml | 10447 | 2020-10-06 16:02:43 |
| big-20201001_lab.xml | 28256 | 2020-10-06 16:02:43 |
| big-20201001_pre.xml | 14996 | 2020-10-06 16:02:43 |
| FilingSummary.xml | 1694 | 2020-10-06 16:02:43 |
| Financial_Report.xlsx | 5433 | 2020-10-06 16:02:43 |
| MetaLinks.json | 19978 | 2020-10-06 16:02:43 |
| R1.htm | 38823 | 2020-10-06 16:02:43 |
| report.css | 2767 | 2020-10-06 16:02:43 |
| Show.js | 1085 | 2020-10-06 16:02:43 |