Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001064728-11-000019-index-headers.html | 2011-11-04 15:56:53 | |
| 0001064728-11-000019-index.html | 2011-11-04 15:56:53 | |
| 0001064728-11-000019.txt | 2011-11-04 15:56:53 | |
 0001064728-11-000019-xbrl.zip | 366440 | 2011-11-04 15:56:53 |
| btu-20110930.xml | 4370909 | 2011-11-04 15:56:53 |
| btu-20110930.xsd | 82705 | 2011-11-04 15:56:53 |
| btu-20110930_cal.xml | 120803 | 2011-11-04 15:56:53 |
| btu-20110930_def.xml | 457690 | 2011-11-04 15:56:53 |
| btu-20110930_lab.xml | 940790 | 2011-11-04 15:56:53 |
| btu-20110930_pre.xml | 556578 | 2011-11-04 15:56:53 |
| btu201193010q.htm | 2748855 | 2011-11-04 15:56:53 |
| ex102.htm | 557976 | 2011-11-04 15:56:53 |
| ex104.htm | 201079 | 2011-11-04 15:56:53 |
| ex106.htm | 195551 | 2011-11-04 15:56:53 |
| ex311.htm | 14169 | 2011-11-04 15:56:53 |
| ex312.htm | 14186 | 2011-11-04 15:56:53 |
| ex321.htm | 6228 | 2011-11-04 15:56:53 |
| ex322.htm | 6262 | 2011-11-04 15:56:53 |
| FilingSummary.xml | 31153 | 2011-11-04 15:56:53 |
| Financial_Report.xls | 3672955 | 2011-11-04 15:56:53 |
 peabody.gif | 4153 | 2011-11-04 15:56:53 |
| R1.htm | 18185 | 2011-11-04 15:56:53 |
| R10.htm | 85745 | 2011-11-04 15:56:53 |
| R11.htm | 15443 | 2011-11-04 15:56:53 |
| R12.htm | 307105 | 2011-11-04 15:56:53 |
| R13.htm | 148161 | 2011-11-04 15:56:53 |
| R14.htm | 47134 | 2011-11-04 15:56:53 |
| R15.htm | 29717 | 2011-11-04 15:56:53 |
| R16.htm | 62024 | 2011-11-04 15:56:53 |
| R17.htm | 32243 | 2011-11-04 15:56:53 |
| R18.htm | 5256 | 2011-11-04 15:56:53 |
| R19.htm | 87779 | 2011-11-04 15:56:53 |
| R2.htm | 97833 | 2011-11-04 15:56:53 |
| R20.htm | 52222 | 2011-11-04 15:56:53 |
| R21.htm | 33371 | 2011-11-04 15:56:53 |
| R22.htm | 89815 | 2011-11-04 15:56:53 |
| R23.htm | 716204 | 2011-11-04 15:56:53 |
| R24.htm | 22672 | 2011-11-04 15:56:53 |
| R25.htm | 4755 | 2011-11-04 15:56:53 |
| R26.htm | 80376 | 2011-11-04 15:56:53 |
| R27.htm | 13605 | 2011-11-04 15:56:53 |
| R28.htm | 300217 | 2011-11-04 15:56:53 |
| R29.htm | 137837 | 2011-11-04 15:56:53 |
| R3.htm | 127357 | 2011-11-04 15:56:53 |
| R30.htm | 43497 | 2011-11-04 15:56:53 |
| R31.htm | 28735 | 2011-11-04 15:56:53 |
| R32.htm | 55028 | 2011-11-04 15:56:53 |
| R33.htm | 27480 | 2011-11-04 15:56:53 |
| R34.htm | 80770 | 2011-11-04 15:56:53 |
| R35.htm | 34996 | 2011-11-04 15:56:53 |
| R36.htm | 87219 | 2011-11-04 15:56:53 |
| R37.htm | 717358 | 2011-11-04 15:56:53 |
| R38.htm | 26453 | 2011-11-04 15:56:53 |
| R39.htm | 25239 | 2011-11-04 15:56:53 |
| R4.htm | 36580 | 2011-11-04 15:56:53 |
| R40.htm | 38463 | 2011-11-04 15:56:53 |
| R41.htm | 9426 | 2011-11-04 15:56:53 |
| R42.htm | 42763 | 2011-11-04 15:56:53 |
| R43.htm | 45280 | 2011-11-04 15:56:53 |
| R44.htm | 13526 | 2011-11-04 15:56:53 |
| R45.htm | 29572 | 2011-11-04 15:56:53 |
| R46.htm | 10429 | 2011-11-04 15:56:53 |
| R47.htm | 28254 | 2011-11-04 15:56:53 |
| R48.htm | 88185 | 2011-11-04 15:56:53 |
| R49.htm | 7006 | 2011-11-04 15:56:53 |
| R5.htm | 157033 | 2011-11-04 15:56:53 |
| R50.htm | 32009 | 2011-11-04 15:56:53 |
| R51.htm | 32739 | 2011-11-04 15:56:53 |
| R52.htm | 31413 | 2011-11-04 15:56:53 |
| R53.htm | 28053 | 2011-11-04 15:56:53 |
| R54.htm | 6440 | 2011-11-04 15:56:53 |
| R55.htm | 85979 | 2011-11-04 15:56:53 |
| R56.htm | 87763 | 2011-11-04 15:56:53 |
| R57.htm | 22132 | 2011-11-04 15:56:53 |
| R58.htm | 38248 | 2011-11-04 15:56:53 |
| R59.htm | 39696 | 2011-11-04 15:56:53 |
| R6.htm | 59074 | 2011-11-04 15:56:53 |
| R60.htm | 97875 | 2011-11-04 15:56:53 |
| R61.htm | 132949 | 2011-11-04 15:56:53 |
| R62.htm | 114032 | 2011-11-04 15:56:53 |
| R63.htm | 66886 | 2011-11-04 15:56:53 |
| R7.htm | 12044 | 2011-11-04 15:56:53 |
| R8.htm | 13559 | 2011-11-04 15:56:53 |
| R9.htm | 11121 | 2011-11-04 15:56:53 |
| report.css | 2721 | 2011-11-04 15:56:53 |
| Show.js | 6423 | 2011-11-04 15:56:53 |