Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-451729-index-headers.html | 2012-11-05 15:57:52 | |
| 0001193125-12-451729-index.html | 2012-11-05 15:57:52 | |
| 0001193125-12-451729.txt | 2012-11-05 15:57:52 | |
 0001193125-12-451729-xbrl.zip | 190604 | 2012-11-05 15:57:52 |
| d413423d10q.htm | 714625 | 2012-11-05 15:57:52 |
| d413423dex31.htm | 14085 | 2012-11-05 15:57:52 |
| d413423dex32.htm | 4562 | 2012-11-05 15:57:52 |
| dv-20120930.xml | 1310518 | 2012-11-05 15:57:52 |
| dv-20120930.xsd | 81456 | 2012-11-05 15:57:52 |
| dv-20120930_cal.xml | 83612 | 2012-11-05 15:57:52 |
| dv-20120930_def.xml | 420651 | 2012-11-05 15:57:52 |
| dv-20120930_lab.xml | 595929 | 2012-11-05 15:57:52 |
| dv-20120930_pre.xml | 494864 | 2012-11-05 15:57:52 |
| FilingSummary.xml | 34456 | 2012-11-05 15:57:52 |
| Financial_Report.xls | 1049588 | 2012-11-05 15:57:52 |
| R1.htm | 28801 | 2012-11-05 15:57:52 |
| R10.htm | 27434 | 2012-11-05 15:57:52 |
| R11.htm | 31117 | 2012-11-05 15:57:52 |
| R12.htm | 19639 | 2012-11-05 15:57:52 |
| R13.htm | 58789 | 2012-11-05 15:57:52 |
| R14.htm | 117500 | 2012-11-05 15:57:52 |
| R15.htm | 5602 | 2012-11-05 15:57:52 |
| R16.htm | 11043 | 2012-11-05 15:57:52 |
| R17.htm | 8400 | 2012-11-05 15:57:52 |
| R18.htm | 11650 | 2012-11-05 15:57:52 |
| R19.htm | 75301 | 2012-11-05 15:57:52 |
| R2.htm | 164593 | 2012-11-05 15:57:52 |
| R20.htm | 75232 | 2012-11-05 15:57:52 |
| R21.htm | 36501 | 2012-11-05 15:57:52 |
| R22.htm | 49709 | 2012-11-05 15:57:52 |
| R23.htm | 23674 | 2012-11-05 15:57:52 |
| R24.htm | 32042 | 2012-11-05 15:57:52 |
| R25.htm | 21563 | 2012-11-05 15:57:52 |
| R26.htm | 46967 | 2012-11-05 15:57:52 |
| R27.htm | 122095 | 2012-11-05 15:57:52 |
| R28.htm | 73116 | 2012-11-05 15:57:52 |
| R29.htm | 20622 | 2012-11-05 15:57:52 |
| R3.htm | 17507 | 2012-11-05 15:57:52 |
| R30.htm | 66812 | 2012-11-05 15:57:52 |
| R31.htm | 15236 | 2012-11-05 15:57:52 |
| R32.htm | 22418 | 2012-11-05 15:57:52 |
| R33.htm | 43703 | 2012-11-05 15:57:52 |
| R34.htm | 47985 | 2012-11-05 15:57:52 |
| R35.htm | 19351 | 2012-11-05 15:57:52 |
| R36.htm | 33198 | 2012-11-05 15:57:52 |
| R37.htm | 15480 | 2012-11-05 15:57:52 |
| R38.htm | 27324 | 2012-11-05 15:57:52 |
| R39.htm | 9034 | 2012-11-05 15:57:52 |
| R4.htm | 74734 | 2012-11-05 15:57:52 |
| R40.htm | 15744 | 2012-11-05 15:57:52 |
| R41.htm | 22802 | 2012-11-05 15:57:52 |
| R42.htm | 11836 | 2012-11-05 15:57:52 |
| R43.htm | 8004 | 2012-11-05 15:57:52 |
| R44.htm | 21300 | 2012-11-05 15:57:52 |
| R45.htm | 16591 | 2012-11-05 15:57:52 |
| R46.htm | 13554 | 2012-11-05 15:57:52 |
| R47.htm | 19173 | 2012-11-05 15:57:52 |
| R48.htm | 33368 | 2012-11-05 15:57:52 |
| R49.htm | 29895 | 2012-11-05 15:57:52 |
| R5.htm | 31567 | 2012-11-05 15:57:52 |
| R50.htm | 12433 | 2012-11-05 15:57:52 |
| R51.htm | 46726 | 2012-11-05 15:57:52 |
| R52.htm | 19038 | 2012-11-05 15:57:52 |
| R53.htm | 54706 | 2012-11-05 15:57:52 |
| R54.htm | 24765 | 2012-11-05 15:57:52 |
| R55.htm | 23043 | 2012-11-05 15:57:52 |
| R56.htm | 17093 | 2012-11-05 15:57:52 |
| R57.htm | 12668 | 2012-11-05 15:57:52 |
| R58.htm | 24553 | 2012-11-05 15:57:52 |
| R59.htm | 13789 | 2012-11-05 15:57:52 |
| R6.htm | 132952 | 2012-11-05 15:57:52 |
| R60.htm | 21030 | 2012-11-05 15:57:52 |
| R61.htm | 24800 | 2012-11-05 15:57:52 |
| R62.htm | 26684 | 2012-11-05 15:57:52 |
| R63.htm | 10183 | 2012-11-05 15:57:52 |
| R64.htm | 55638 | 2012-11-05 15:57:52 |
| R65.htm | 18399 | 2012-11-05 15:57:52 |
| R7.htm | 4517 | 2012-11-05 15:57:52 |
| R8.htm | 45563 | 2012-11-05 15:57:52 |
| R9.htm | 49873 | 2012-11-05 15:57:52 |
| report.css | 2721 | 2012-11-05 15:57:52 |
| Show.js | 6423 | 2012-11-05 15:57:52 |