Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001064728-18-000028-index-headers.html | 2018-08-03 16:35:12 | |
| 0001064728-18-000028-index.html | 2018-08-03 16:35:12 | |
| 0001064728-18-000028.txt | 2018-08-03 16:35:12 | |
 0001064728-18-000028-xbrl.zip | 395567 | 2018-08-03 16:35:12 |
| btu-20180630.xml | 4152040 | 2018-08-03 16:35:12 |
| btu-20180630.xsd | 82573 | 2018-08-03 16:35:12 |
| btu-20180630_cal.xml | 106330 | 2018-08-03 16:35:12 |
| btu-20180630_def.xml | 662734 | 2018-08-03 16:35:12 |
| btu-20180630_lab.xml | 1011180 | 2018-08-03 16:35:12 |
| btu-20180630_pre.xml | 719538 | 2018-08-03 16:35:12 |
| btu_20180630-10q.htm | 3150424 | 2018-08-03 16:35:12 |
| btu_20180630xex101.htm | 190937 | 2018-08-03 16:35:12 |
| btu_20180630xex311.htm | 13921 | 2018-08-03 16:35:12 |
| btu_20180630xex312.htm | 13943 | 2018-08-03 16:35:12 |
| btu_20180630xex321.htm | 6611 | 2018-08-03 16:35:12 |
| btu_20180630xex322.htm | 6632 | 2018-08-03 16:35:12 |
| btu_20180630xex95.htm | 271144 | 2018-08-03 16:35:12 |
| FilingSummary.xml | 47771 | 2018-08-03 16:35:12 |
| Financial_Report.xlsx | 131693 | 2018-08-03 16:35:12 |
 peabodylogoa15.jpg | 195073 | 2018-08-03 16:35:12 |
| R1.htm | 20528 | 2018-08-03 16:35:12 |
| R10.htm | 49530 | 2018-08-03 16:35:12 |
| R11.htm | 69772 | 2018-08-03 16:35:12 |
| R12.htm | 439033 | 2018-08-03 16:35:12 |
| R13.htm | 42735 | 2018-08-03 16:35:12 |
| R14.htm | 15531 | 2018-08-03 16:35:12 |
| R15.htm | 125113 | 2018-08-03 16:35:12 |
| R16.htm | 112369 | 2018-08-03 16:35:12 |
| R17.htm | 64287 | 2018-08-03 16:35:12 |
| R18.htm | 7484 | 2018-08-03 16:35:12 |
| R19.htm | 17348 | 2018-08-03 16:35:12 |
| R2.htm | 106324 | 2018-08-03 16:35:12 |
| R20.htm | 10377 | 2018-08-03 16:35:12 |
| R21.htm | 49402 | 2018-08-03 16:35:12 |
| R22.htm | 57929 | 2018-08-03 16:35:12 |
| R23.htm | 59503 | 2018-08-03 16:35:12 |
| R24.htm | 14594 | 2018-08-03 16:35:12 |
| R25.htm | 129184 | 2018-08-03 16:35:12 |
| R26.htm | 19072 | 2018-08-03 16:35:12 |
| R27.htm | 20392 | 2018-08-03 16:35:12 |
| R28.htm | 179168 | 2018-08-03 16:35:12 |
| R29.htm | 45493 | 2018-08-03 16:35:12 |
| R3.htm | 35771 | 2018-08-03 16:35:12 |
| R30.htm | 16658 | 2018-08-03 16:35:12 |
| R31.htm | 8309 | 2018-08-03 16:35:12 |
| R32.htm | 14611 | 2018-08-03 16:35:12 |
| R33.htm | 57377 | 2018-08-03 16:35:12 |
| R34.htm | 423348 | 2018-08-03 16:35:12 |
| R35.htm | 38589 | 2018-08-03 16:35:12 |
| R36.htm | 15422 | 2018-08-03 16:35:12 |
| R37.htm | 119235 | 2018-08-03 16:35:12 |
| R38.htm | 102381 | 2018-08-03 16:35:12 |
| R39.htm | 57808 | 2018-08-03 16:35:12 |
| R4.htm | 10826 | 2018-08-03 16:35:12 |
| R40.htm | 17116 | 2018-08-03 16:35:12 |
| R41.htm | 23630 | 2018-08-03 16:35:12 |
| R42.htm | 58476 | 2018-08-03 16:35:12 |
| R43.htm | 60214 | 2018-08-03 16:35:12 |
| R44.htm | 122864 | 2018-08-03 16:35:12 |
| R45.htm | 179378 | 2018-08-03 16:35:12 |
| R46.htm | 32510 | 2018-08-03 16:35:12 |
| R47.htm | 15607 | 2018-08-03 16:35:12 |
| R48.htm | 51969 | 2018-08-03 16:35:12 |
| R49.htm | 11069 | 2018-08-03 16:35:12 |
| R5.htm | 98973 | 2018-08-03 16:35:12 |
| R50.htm | 202176 | 2018-08-03 16:35:12 |
| R51.htm | 143370 | 2018-08-03 16:35:12 |
| R52.htm | 31444 | 2018-08-03 16:35:12 |
| R53.htm | 37898 | 2018-08-03 16:35:12 |
| R54.htm | 16698 | 2018-08-03 16:35:12 |
| R55.htm | 15598 | 2018-08-03 16:35:12 |
| R56.htm | 29134 | 2018-08-03 16:35:12 |
| R57.htm | 21131 | 2018-08-03 16:35:12 |
| R58.htm | 9552 | 2018-08-03 16:35:12 |
| R59.htm | 19486 | 2018-08-03 16:35:12 |
| R6.htm | 35399 | 2018-08-03 16:35:12 |
| R60.htm | 58314 | 2018-08-03 16:35:12 |
| R61.htm | 29274 | 2018-08-03 16:35:12 |
| R62.htm | 38341 | 2018-08-03 16:35:12 |
| R63.htm | 26065 | 2018-08-03 16:35:12 |
| R64.htm | 50395 | 2018-08-03 16:35:12 |
| R65.htm | 18395 | 2018-08-03 16:35:12 |
| R66.htm | 15486 | 2018-08-03 16:35:12 |
| R67.htm | 12992 | 2018-08-03 16:35:12 |
| R68.htm | 27596 | 2018-08-03 16:35:12 |
| R69.htm | 182389 | 2018-08-03 16:35:12 |
| R7.htm | 158332 | 2018-08-03 16:35:12 |
| R70.htm | 36056 | 2018-08-03 16:35:12 |
| R71.htm | 26449 | 2018-08-03 16:35:12 |
| R72.htm | 60956 | 2018-08-03 16:35:12 |
| R73.htm | 68944 | 2018-08-03 16:35:12 |
| R74.htm | 103076 | 2018-08-03 16:35:12 |
| R75.htm | 42977 | 2018-08-03 16:35:12 |
| R76.htm | 9043 | 2018-08-03 16:35:12 |
| R77.htm | 11700 | 2018-08-03 16:35:12 |
| R78.htm | 128545 | 2018-08-03 16:35:12 |
| R8.htm | 32974 | 2018-08-03 16:35:12 |
| R9.htm | 5107 | 2018-08-03 16:35:12 |
| report.css | 2767 | 2018-08-03 16:35:12 |
| Show.js | 1410 | 2018-08-03 16:35:12 |