Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001064728-13-000014-index-headers.html | 2013-02-25 15:03:00 | |
| 0001064728-13-000014-index.html | 2013-02-25 15:03:00 | |
| 0001064728-13-000014.txt | 2013-02-25 15:03:00 | |
 0001064728-13-000014-xbrl.zip | 789731 | 2013-02-25 15:03:00 |
| btu-20121231.xml | 8347012 | 2013-02-25 15:03:00 |
| btu-20121231.xsd | 185839 | 2013-02-25 15:03:00 |
| btu-20121231_cal.xml | 252136 | 2013-02-25 15:03:00 |
| btu-20121231_def.xml | 1040457 | 2013-02-25 15:03:00 |
| btu-20121231_lab.xml | 2200879 | 2013-02-25 15:03:00 |
| btu-20121231_pre.xml | 1346333 | 2013-02-25 15:03:00 |
| btu_2012123110k.htm | 6124863 | 2013-02-25 15:03:00 |
| btu_20121231ex1024.htm | 61263 | 2013-02-25 15:03:00 |
| btu_20121231ex1025.htm | 152985 | 2013-02-25 15:03:00 |
| btu_20121231ex1026.htm | 119942 | 2013-02-25 15:03:00 |
| btu_20121231ex1027.htm | 118152 | 2013-02-25 15:03:00 |
| btu_20121231ex1028.htm | 99740 | 2013-02-25 15:03:00 |
| btu_20121231ex1089.htm | 80877 | 2013-02-25 15:03:00 |
| btu_20121231ex21.htm | 165382 | 2013-02-25 15:03:00 |
| btu_20121231ex23.htm | 8822 | 2013-02-25 15:03:00 |
| btu_20121231ex311.htm | 12468 | 2013-02-25 15:03:00 |
| btu_20121231ex312.htm | 12471 | 2013-02-25 15:03:00 |
| btu_20121231ex321.htm | 6041 | 2013-02-25 15:03:00 |
| btu_20121231ex322.htm | 6061 | 2013-02-25 15:03:00 |
| btu_20121231ex95.htm | 248748 | 2013-02-25 15:03:00 |
| FilingSummary.xml | 67653 | 2013-02-25 15:03:00 |
| Financial_Report.xls | 7345995 | 2013-02-25 15:03:00 |
 peabodya01a01.gif | 4153 | 2013-02-25 15:03:00 |
 peabodyausmap.jpg | 48661 | 2013-02-25 15:03:00 |
 peabodyusmap.jpg | 76944 | 2013-02-25 15:03:00 |
| R1.htm | 37332 | 2013-02-25 15:03:00 |
| R10.htm | 65489 | 2013-02-25 15:03:00 |
| R100.htm | 34908 | 2013-02-25 15:03:00 |
| R101.htm | 38579 | 2013-02-25 15:03:00 |
| R102.htm | 42953 | 2013-02-25 15:03:00 |
| R103.htm | 65626 | 2013-02-25 15:03:00 |
| R104.htm | 51611 | 2013-02-25 15:03:00 |
| R105.htm | 21938 | 2013-02-25 15:03:00 |
| R106.htm | 28128 | 2013-02-25 15:03:00 |
| R107.htm | 35614 | 2013-02-25 15:03:00 |
| R108.htm | 64906 | 2013-02-25 15:03:00 |
| R109.htm | 22861 | 2013-02-25 15:03:00 |
| R11.htm | 65252 | 2013-02-25 15:03:00 |
| R110.htm | 59377 | 2013-02-25 15:03:00 |
| R111.htm | 22698 | 2013-02-25 15:03:00 |
| R112.htm | 21710 | 2013-02-25 15:03:00 |
| R113.htm | 50245 | 2013-02-25 15:03:00 |
| R114.htm | 26039 | 2013-02-25 15:03:00 |
| R115.htm | 95866 | 2013-02-25 15:03:00 |
| R116.htm | 21004 | 2013-02-25 15:03:00 |
| R117.htm | 33536 | 2013-02-25 15:03:00 |
| R118.htm | 55723 | 2013-02-25 15:03:00 |
| R119.htm | 20368 | 2013-02-25 15:03:00 |
| R12.htm | 53007 | 2013-02-25 15:03:00 |
| R120.htm | 23161 | 2013-02-25 15:03:00 |
| R121.htm | 16110 | 2013-02-25 15:03:00 |
| R122.htm | 75354 | 2013-02-25 15:03:00 |
| R123.htm | 97156 | 2013-02-25 15:03:00 |
| R124.htm | 57780 | 2013-02-25 15:03:00 |
| R125.htm | 136239 | 2013-02-25 15:03:00 |
| R126.htm | 16881 | 2013-02-25 15:03:00 |
| R127.htm | 110010 | 2013-02-25 15:03:00 |
| R128.htm | 69434 | 2013-02-25 15:03:00 |
| R129.htm | 49590 | 2013-02-25 15:03:00 |
| R13.htm | 17245 | 2013-02-25 15:03:00 |
| R130.htm | 108550 | 2013-02-25 15:03:00 |
| R131.htm | 135249 | 2013-02-25 15:03:00 |
| R132.htm | 121018 | 2013-02-25 15:03:00 |
| R133.htm | 152138 | 2013-02-25 15:03:00 |
| R134.htm | 203309 | 2013-02-25 15:03:00 |
| R135.htm | 162514 | 2013-02-25 15:03:00 |
| R136.htm | 31518 | 2013-02-25 15:03:00 |
| R14.htm | 86386 | 2013-02-25 15:03:00 |
| R15.htm | 269626 | 2013-02-25 15:03:00 |
| R16.htm | 154113 | 2013-02-25 15:03:00 |
| R17.htm | 35303 | 2013-02-25 15:03:00 |
| R18.htm | 173911 | 2013-02-25 15:03:00 |
| R19.htm | 27892 | 2013-02-25 15:03:00 |
| R2.htm | 127827 | 2013-02-25 15:03:00 |
| R20.htm | 108947 | 2013-02-25 15:03:00 |
| R21.htm | 46631 | 2013-02-25 15:03:00 |
| R22.htm | 27079 | 2013-02-25 15:03:00 |
| R23.htm | 121368 | 2013-02-25 15:03:00 |
| R24.htm | 207716 | 2013-02-25 15:03:00 |
| R25.htm | 47992 | 2013-02-25 15:03:00 |
| R26.htm | 113026 | 2013-02-25 15:03:00 |
| R27.htm | 81095 | 2013-02-25 15:03:00 |
| R28.htm | 16673 | 2013-02-25 15:03:00 |
| R29.htm | 72047 | 2013-02-25 15:03:00 |
| R3.htm | 98606 | 2013-02-25 15:03:00 |
| R30.htm | 32541 | 2013-02-25 15:03:00 |
| R31.htm | 50112 | 2013-02-25 15:03:00 |
| R32.htm | 33249 | 2013-02-25 15:03:00 |
| R33.htm | 81196 | 2013-02-25 15:03:00 |
| R34.htm | 170587 | 2013-02-25 15:03:00 |
| R35.htm | 1045582 | 2013-02-25 15:03:00 |
| R36.htm | 89925 | 2013-02-25 15:03:00 |
| R37.htm | 196359 | 2013-02-25 15:03:00 |
| R38.htm | 64356 | 2013-02-25 15:03:00 |
| R39.htm | 53575 | 2013-02-25 15:03:00 |
| R4.htm | 146781 | 2013-02-25 15:03:00 |
| R40.htm | 57056 | 2013-02-25 15:03:00 |
| R41.htm | 50902 | 2013-02-25 15:03:00 |
| R42.htm | 15531 | 2013-02-25 15:03:00 |
| R43.htm | 82284 | 2013-02-25 15:03:00 |
| R44.htm | 268251 | 2013-02-25 15:03:00 |
| R45.htm | 192912 | 2013-02-25 15:03:00 |
| R46.htm | 35447 | 2013-02-25 15:03:00 |
| R47.htm | 171868 | 2013-02-25 15:03:00 |
| R48.htm | 26912 | 2013-02-25 15:03:00 |
| R49.htm | 75445 | 2013-02-25 15:03:00 |
| R5.htm | 48004 | 2013-02-25 15:03:00 |
| R50.htm | 34024 | 2013-02-25 15:03:00 |
| R51.htm | 23093 | 2013-02-25 15:03:00 |
| R52.htm | 135977 | 2013-02-25 15:03:00 |
| R53.htm | 198211 | 2013-02-25 15:03:00 |
| R54.htm | 23475 | 2013-02-25 15:03:00 |
| R55.htm | 106854 | 2013-02-25 15:03:00 |
| R56.htm | 74549 | 2013-02-25 15:03:00 |
| R57.htm | 11150 | 2013-02-25 15:03:00 |
| R58.htm | 66378 | 2013-02-25 15:03:00 |
| R59.htm | 30261 | 2013-02-25 15:03:00 |
| R6.htm | 236586 | 2013-02-25 15:03:00 |
| R60.htm | 33305 | 2013-02-25 15:03:00 |
| R61.htm | 72802 | 2013-02-25 15:03:00 |
| R62.htm | 167921 | 2013-02-25 15:03:00 |
| R63.htm | 1050902 | 2013-02-25 15:03:00 |
| R64.htm | 178593 | 2013-02-25 15:03:00 |
| R65.htm | 26390 | 2013-02-25 15:03:00 |
| R66.htm | 50432 | 2013-02-25 15:03:00 |
| R67.htm | 73271 | 2013-02-25 15:03:00 |
| R68.htm | 105719 | 2013-02-25 15:03:00 |
| R69.htm | 17025 | 2013-02-25 15:03:00 |
| R7.htm | 126595 | 2013-02-25 15:03:00 |
| R70.htm | 70210 | 2013-02-25 15:03:00 |
| R71.htm | 59292 | 2013-02-25 15:03:00 |
| R72.htm | 13640 | 2013-02-25 15:03:00 |
| R73.htm | 31245 | 2013-02-25 15:03:00 |
| R74.htm | 29164 | 2013-02-25 15:03:00 |
| R75.htm | 39725 | 2013-02-25 15:03:00 |
| R76.htm | 73924 | 2013-02-25 15:03:00 |
| R77.htm | 59211 | 2013-02-25 15:03:00 |
| R78.htm | 30103 | 2013-02-25 15:03:00 |
| R79.htm | 40440 | 2013-02-25 15:03:00 |
| R8.htm | 15091 | 2013-02-25 15:03:00 |
| R80.htm | 13829 | 2013-02-25 15:03:00 |
| R81.htm | 41180 | 2013-02-25 15:03:00 |
| R82.htm | 101961 | 2013-02-25 15:03:00 |
| R83.htm | 34458 | 2013-02-25 15:03:00 |
| R84.htm | 37768 | 2013-02-25 15:03:00 |
| R85.htm | 12244 | 2013-02-25 15:03:00 |
| R86.htm | 50004 | 2013-02-25 15:03:00 |
| R87.htm | 45420 | 2013-02-25 15:03:00 |
| R88.htm | 80352 | 2013-02-25 15:03:00 |
| R89.htm | 20428 | 2013-02-25 15:03:00 |
| R9.htm | 86182 | 2013-02-25 15:03:00 |
| R90.htm | 10107 | 2013-02-25 15:03:00 |
| R91.htm | 83875 | 2013-02-25 15:03:00 |
| R92.htm | 49786 | 2013-02-25 15:03:00 |
| R93.htm | 23032 | 2013-02-25 15:03:00 |
| R94.htm | 66617 | 2013-02-25 15:03:00 |
| R95.htm | 32609 | 2013-02-25 15:03:00 |
| R96.htm | 51900 | 2013-02-25 15:03:00 |
| R97.htm | 81992 | 2013-02-25 15:03:00 |
| R98.htm | 35285 | 2013-02-25 15:03:00 |
| R99.htm | 110740 | 2013-02-25 15:03:00 |
| report.css | 2721 | 2013-02-25 15:03:00 |
| Show.js | 6424 | 2013-02-25 15:03:00 |