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| 0000225648-14-000033-index.html | 2014-04-23 16:03:26 | |
| 0000225648-14-000033.txt | 2014-04-23 16:03:26 | |
 0000225648-14-000033-xbrl.zip | 279146 | 2014-04-23 16:03:26 |
| cva-20140331.xml | 1715980 | 2014-04-23 16:03:26 |
| cva-20140331.xsd | 89343 | 2014-04-23 16:03:26 |
| cva-20140331_cal.xml | 100811 | 2014-04-23 16:03:26 |
| cva-20140331_def.xml | 482967 | 2014-04-23 16:03:26 |
| cva-20140331_lab.xml | 957609 | 2014-04-23 16:03:26 |
| cva-20140331_pre.xml | 562420 | 2014-04-23 16:03:26 |
| cva-33114x10q.htm | 1759438 | 2014-04-23 16:03:26 |
| ex311-33114x10q.htm | 12857 | 2014-04-23 16:03:26 |
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| FilingSummary.xml | 35854 | 2014-04-23 16:03:26 |
| Financial_Report.xls | 1487511 | 2014-04-23 16:03:26 |
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| report.css | 2740 | 2014-04-23 16:03:26 |
| Show.js | 1410 | 2014-04-23 16:03:26 |