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| 0001064728-21-000038-index.html | 2021-10-18 08:00:30 | |
| 0001064728-21-000038.txt | 2021-10-18 08:00:30 | |
 0001064728-21-000038-xbrl.zip | 16837 | 2021-10-18 08:00:30 |
| btu-20211018.htm | 36993 | 2021-10-18 08:00:30 |
| btu-20211018.xsd | 1927 | 2021-10-18 08:00:30 |
| btu-20211018_htm.xml | 11688 | 2021-10-18 08:00:30 |
| btu-20211018_lab.xml | 24137 | 2021-10-18 08:00:30 |
| btu-20211018_pre.xml | 12529 | 2021-10-18 08:00:30 |
| btu8k20211018_ex991.htm | 46095 | 2021-10-18 08:00:30 |
| FilingSummary.xml | 1648 | 2021-10-18 08:00:30 |
| Financial_Report.xlsx | 5675 | 2021-10-18 08:00:30 |
| MetaLinks.json | 16728 | 2021-10-18 08:00:30 |
 peabodylogoa37.jpg | 195073 | 2021-10-18 08:00:30 |
| R1.htm | 38578 | 2021-10-18 08:00:30 |
| report.css | 2767 | 2021-10-18 08:00:30 |
| Show.js | 1085 | 2021-10-18 08:00:30 |