Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000726514-14-000007-index-headers.html | 2014-02-05 14:32:27 | |
| 0000726514-14-000007-index.html | 2014-02-05 14:32:27 | |
| 0000726514-14-000007.txt | 2014-02-05 14:32:27 | |
 0000726514-14-000007-xbrl.zip | 138744 | 2014-02-05 14:32:27 |
| esi-20131228.xml | 1142308 | 2014-02-05 14:32:27 |
| esi-20131228.xsd | 36681 | 2014-02-05 14:32:27 |
| esi-20131228_cal.xml | 73353 | 2014-02-05 14:32:27 |
| esi-20131228_def.xml | 194744 | 2014-02-05 14:32:27 |
| esi-20131228_lab.xml | 463741 | 2014-02-05 14:32:27 |
| esi-20131228_pre.xml | 270318 | 2014-02-05 14:32:27 |
| esi10-q12282013.htm | 1023330 | 2014-02-05 14:32:27 |
| ex-311certificationofthech.htm | 12580 | 2014-02-05 14:32:27 |
| ex-312certificationofthech.htm | 12715 | 2014-02-05 14:32:27 |
| ex-321certificationofchief.htm | 6136 | 2014-02-05 14:32:27 |
| ex-322certificationofchief.htm | 6559 | 2014-02-05 14:32:27 |
| FilingSummary.xml | 26294 | 2014-02-05 14:32:27 |
| Financial_Report.xls | 936822 | 2014-02-05 14:32:27 |
| Financial_Report.xlsx | 135600 | 2014-02-05 14:32:27 |
| R1.htm | 33889 | 2014-02-05 14:32:27 |
| R10.htm | 179279 | 2014-02-05 14:32:27 |
| R11.htm | 30805 | 2014-02-05 14:32:27 |
| R12.htm | 23086 | 2014-02-05 14:32:27 |
| R13.htm | 16095 | 2014-02-05 14:32:27 |
| R14.htm | 14106 | 2014-02-05 14:32:27 |
| R15.htm | 16600 | 2014-02-05 14:32:27 |
| R16.htm | 26390 | 2014-02-05 14:32:27 |
| R17.htm | 25501 | 2014-02-05 14:32:27 |
| R18.htm | 26912 | 2014-02-05 14:32:27 |
| R19.htm | 38685 | 2014-02-05 14:32:27 |
| R2.htm | 120236 | 2014-02-05 14:32:27 |
| R20.htm | 47741 | 2014-02-05 14:32:27 |
| R21.htm | 14093 | 2014-02-05 14:32:27 |
| R22.htm | 31108 | 2014-02-05 14:32:27 |
| R23.htm | 170083 | 2014-02-05 14:32:27 |
| R24.htm | 26271 | 2014-02-05 14:32:27 |
| R25.htm | 14239 | 2014-02-05 14:32:27 |
| R26.htm | 14063 | 2014-02-05 14:32:27 |
| R27.htm | 14601 | 2014-02-05 14:32:27 |
| R28.htm | 25371 | 2014-02-05 14:32:27 |
| R29.htm | 24554 | 2014-02-05 14:32:27 |
| R3.htm | 37441 | 2014-02-05 14:32:27 |
| R30.htm | 24876 | 2014-02-05 14:32:27 |
| R31.htm | 34603 | 2014-02-05 14:32:27 |
| R32.htm | 46976 | 2014-02-05 14:32:27 |
| R33.htm | 11711 | 2014-02-05 14:32:27 |
| R34.htm | 18423 | 2014-02-05 14:32:27 |
| R35.htm | 59722 | 2014-02-05 14:32:27 |
| R36.htm | 26419 | 2014-02-05 14:32:27 |
| R37.htm | 43941 | 2014-02-05 14:32:27 |
| R38.htm | 71655 | 2014-02-05 14:32:27 |
| R39.htm | 16575 | 2014-02-05 14:32:27 |
| R4.htm | 90413 | 2014-02-05 14:32:27 |
| R40.htm | 15061 | 2014-02-05 14:32:27 |
| R41.htm | 17371 | 2014-02-05 14:32:27 |
| R42.htm | 21819 | 2014-02-05 14:32:27 |
| R43.htm | 49672 | 2014-02-05 14:32:27 |
| R44.htm | 12898 | 2014-02-05 14:32:27 |
| R45.htm | 13177 | 2014-02-05 14:32:27 |
| R46.htm | 36207 | 2014-02-05 14:32:27 |
| R47.htm | 9245 | 2014-02-05 14:32:27 |
| R48.htm | 9922 | 2014-02-05 14:32:27 |
| R49.htm | 10246 | 2014-02-05 14:32:27 |
| R5.htm | 30045 | 2014-02-05 14:32:27 |
| R50.htm | 20059 | 2014-02-05 14:32:27 |
| R51.htm | 9367 | 2014-02-05 14:32:27 |
| R52.htm | 21479 | 2014-02-05 14:32:27 |
| R6.htm | 12738 | 2014-02-05 14:32:27 |
| R7.htm | 133776 | 2014-02-05 14:32:27 |
| R8.htm | 9283 | 2014-02-05 14:32:27 |
| R9.htm | 9366 | 2014-02-05 14:32:27 |
| report.css | 2740 | 2014-02-05 14:32:27 |
| Show.js | 1410 | 2014-02-05 14:32:27 |