Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000768835-20-000155-index-headers.html | 2020-12-07 16:03:08 | |
| 0000768835-20-000155-index.html | 2020-12-07 16:03:08 | |
| 0000768835-20-000155.txt | 2020-12-07 16:03:08 | |
 0000768835-20-000155-xbrl.zip | 62345 | 2020-12-07 16:03:08 |
| big-20201202.htm | 52517 | 2020-12-07 16:03:08 |
| big-20201202.xsd | 2669 | 2020-12-07 16:03:08 |
| big-20201202_cal.xml | 731 | 2020-12-07 16:03:08 |
| big-20201202_def.xml | 14473 | 2020-12-07 16:03:08 |
| big-20201202_htm.xml | 10553 | 2020-12-07 16:03:08 |
| big-20201202_lab.xml | 28256 | 2020-12-07 16:03:08 |
| big-20201202_pre.xml | 14996 | 2020-12-07 16:03:08 |
| exhibit991-earningsrel.htm | 335250 | 2020-12-07 16:03:08 |
| exhibit992-eventtransc.htm | 153165 | 2020-12-07 16:03:08 |
| exhibit993-dividenddec.htm | 15112 | 2020-12-07 16:03:08 |
| FilingSummary.xml | 1826 | 2020-12-07 16:03:08 |
| Financial_Report.xlsx | 5434 | 2020-12-07 16:03:08 |
 logoq2191b.jpg | 2935 | 2020-12-07 16:03:08 |
 logoq2192.jpg | 2935 | 2020-12-07 16:03:08 |
| MetaLinks.json | 19978 | 2020-12-07 16:03:08 |
| R1.htm | 38824 | 2020-12-07 16:03:08 |
| report.css | 2767 | 2020-12-07 16:03:08 |
| Show.js | 1085 | 2020-12-07 16:03:08 |