Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950123-11-080434-index-headers.html | 2011-08-26 13:48:16 | |
| 0000950123-11-080434-index.html | 2011-08-26 13:48:16 | |
| 0000950123-11-080434.txt | 2011-08-26 13:48:16 | |
 0000950123-11-080434-xbrl.zip | 94753 | 2011-08-26 13:48:16 |
 c65966c6596600.gif | 21399 | 2011-08-26 13:48:16 |
| c65966e10vk.htm | 1226225 | 2011-08-26 13:48:16 |
| c65966exv21.htm | 22771 | 2011-08-26 13:48:16 |
| c65966exv23.htm | 1325 | 2011-08-26 13:48:16 |
| c65966exv31.htm | 11948 | 2011-08-26 13:48:16 |
| c65966exv32.htm | 3336 | 2011-08-26 13:48:16 |
| dv-20110630.xml | 920211 | 2011-08-26 13:48:16 |
| dv-20110630.xsd | 19997 | 2011-08-26 13:48:16 |
| dv-20110630_cal.xml | 61160 | 2011-08-26 13:48:16 |
| dv-20110630_def.xml | 19076 | 2011-08-26 13:48:16 |
| dv-20110630_lab.xml | 284526 | 2011-08-26 13:48:16 |
| dv-20110630_pre.xml | 137634 | 2011-08-26 13:48:16 |
| FilingSummary.xml | 12791 | 2011-08-26 13:48:16 |
| Financial_Report.xls | 802247 | 2011-08-26 13:48:16 |
| R1.htm | 33116 | 2011-08-26 13:48:16 |
| R10.htm | 47949 | 2011-08-26 13:48:16 |
| R11.htm | 26080 | 2011-08-26 13:48:16 |
| R12.htm | 44591 | 2011-08-26 13:48:16 |
| R13.htm | 27075 | 2011-08-26 13:48:16 |
| R14.htm | 61400 | 2011-08-26 13:48:16 |
| R15.htm | 109602 | 2011-08-26 13:48:16 |
| R16.htm | 9991 | 2011-08-26 13:48:16 |
| R17.htm | 80474 | 2011-08-26 13:48:16 |
| R18.htm | 14539 | 2011-08-26 13:48:16 |
| R19.htm | 13483 | 2011-08-26 13:48:16 |
| R2.htm | 123916 | 2011-08-26 13:48:16 |
| R20.htm | 8596 | 2011-08-26 13:48:16 |
| R21.htm | 19147 | 2011-08-26 13:48:16 |
| R22.htm | 108209 | 2011-08-26 13:48:16 |
| R23.htm | 39940 | 2011-08-26 13:48:16 |
| R24.htm | 8423 | 2011-08-26 13:48:16 |
| R25.htm | 66420 | 2011-08-26 13:48:16 |
| R3.htm | 16028 | 2011-08-26 13:48:16 |
| R4.htm | 65088 | 2011-08-26 13:48:16 |
| R5.htm | 127702 | 2011-08-26 13:48:16 |
| R6.htm | 57751 | 2011-08-26 13:48:16 |
| R7.htm | 5475 | 2011-08-26 13:48:16 |
| R8.htm | 16915 | 2011-08-26 13:48:16 |
| R9.htm | 118478 | 2011-08-26 13:48:16 |
| report.css | 2721 | 2011-08-26 13:48:16 |
| Show.js | 6423 | 2011-08-26 13:48:16 |