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| 0001193125-10-234281.txt | 2010-10-22 10:12:25 | |
 0001193125-10-234281-xbrl.zip | 48576 | 2010-10-22 10:12:25 |
| d10q.htm | 690778 | 2010-10-22 10:12:25 |
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| dex311.htm | 7583 | 2010-10-22 10:12:25 |
| dex312.htm | 7595 | 2010-10-22 10:12:25 |
| dex321.htm | 3380 | 2010-10-22 10:12:25 |
| dex322.htm | 3392 | 2010-10-22 10:12:25 |
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| esi-20100930.xsd | 13767 | 2010-10-22 10:12:25 |
| esi-20100930_cal.xml | 37405 | 2010-10-22 10:12:25 |
| esi-20100930_def.xml | 17514 | 2010-10-22 10:12:25 |
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| esi-20100930_pre.xml | 89139 | 2010-10-22 10:12:25 |
| FilingSummary.xml | 14441 | 2010-10-22 10:12:25 |
| Financial_Report.xls | 293243 | 2010-10-22 10:12:25 |
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| R10.xml | 37087 | 2010-10-22 10:12:25 |
| R11.xml | 72767 | 2010-10-22 10:12:25 |
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| R14.xml | 73218 | 2010-10-22 10:12:25 |
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| R17.xml | 28435 | 2010-10-22 10:12:25 |
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| R4.xml | 84087 | 2010-10-22 10:12:25 |
| R5.xml | 141408 | 2010-10-22 10:12:25 |
| R6.xml | 312032 | 2010-10-22 10:12:25 |
| R7.xml | 21099 | 2010-10-22 10:12:25 |
| R8.xml | 13265 | 2010-10-22 10:12:25 |
| R9.xml | 13408 | 2010-10-22 10:12:25 |