Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000822818-23-000021-index-headers.html | 2023-03-29 08:36:08 | |
| 0000822818-23-000021-index.html | 2023-03-29 08:36:08 | |
| 0000822818-23-000021.txt | 2023-03-29 08:36:08 | |
 0000822818-23-000021-xbrl.zip | 14322 | 2023-03-29 08:36:08 |
| a32923pressrelease-investo.htm | 21924 | 2023-03-29 08:36:08 |
| clh-20230329.htm | 29210 | 2023-03-29 08:36:08 |
| clh-20230329.xsd | 1911 | 2023-03-29 08:36:08 |
| clh-20230329_htm.xml | 4095 | 2023-03-29 08:36:08 |
| clh-20230329_lab.xml | 24137 | 2023-03-29 08:36:08 |
| clh-20230329_pre.xml | 12515 | 2023-03-29 08:36:08 |
| FilingSummary.xml | 1651 | 2023-03-29 08:36:08 |
| Financial_Report.xlsx | 5675 | 2023-03-29 08:36:08 |
 imagea.jpg | 9996 | 2023-03-29 08:36:08 |
| MetaLinks.json | 17132 | 2023-03-29 08:36:08 |
| R1.htm | 38074 | 2023-03-29 08:36:08 |
| report.css | 2767 | 2023-03-29 08:36:08 |
| Show.js | 1085 | 2023-03-29 08:36:08 |