Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0000950123-11-053874-index.html | 2011-05-25 15:28:03 | |
| 0000950123-11-053874.txt | 2011-05-25 15:28:03 | |
 0000950123-11-053874-xbrl.zip | 36711 | 2011-05-25 15:28:03 |
| chs-20110430.xml | 269515 | 2011-05-25 15:28:03 |
| chs-20110430.xsd | 10027 | 2011-05-25 15:28:03 |
| chs-20110430_cal.xml | 37482 | 2011-05-25 15:28:03 |
| chs-20110430_def.xml | 13540 | 2011-05-25 15:28:03 |
| chs-20110430_lab.xml | 114427 | 2011-05-25 15:28:03 |
| chs-20110430_pre.xml | 73049 | 2011-05-25 15:28:03 |
| FilingSummary.xml | 6657 | 2011-05-25 15:28:03 |
| Financial_Report.xls | 245910 | 2011-05-25 15:28:03 |
| g27357e10vq.htm | 247206 | 2011-05-25 15:28:03 |
| g27357exv31w1.htm | 9048 | 2011-05-25 15:28:03 |
| g27357exv31w2.htm | 8847 | 2011-05-25 15:28:03 |
| g27357exv32w1.htm | 3595 | 2011-05-25 15:28:03 |
| g27357exv32w2.htm | 4159 | 2011-05-25 15:28:03 |
| R1.htm | 25150 | 2011-05-25 15:28:03 |
| R10.htm | 140589 | 2011-05-25 15:28:03 |
| R11.htm | 6037 | 2011-05-25 15:28:03 |
| R12.htm | 6547 | 2011-05-25 15:28:03 |
| R2.htm | 55589 | 2011-05-25 15:28:03 |
| R3.htm | 105212 | 2011-05-25 15:28:03 |
| R4.htm | 91914 | 2011-05-25 15:28:03 |
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| R6.htm | 6239 | 2011-05-25 15:28:03 |
| R7.htm | 8322 | 2011-05-25 15:28:03 |
| R8.htm | 44859 | 2011-05-25 15:28:03 |
| R9.htm | 32387 | 2011-05-25 15:28:03 |
| report.css | 2721 | 2011-05-25 15:28:03 |
| Show.js | 6423 | 2011-05-25 15:28:03 |