Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000822818-21-000017-index-headers.html | 2021-05-05 08:05:56 | |
| 0000822818-21-000017-index.html | 2021-05-05 08:05:56 | |
| 0000822818-21-000017.txt | 2021-05-05 08:05:56 | |
 0000822818-21-000017-xbrl.zip | 27108 | 2021-05-05 08:05:56 |
| clh-20210505.htm | 37366 | 2021-05-05 08:05:56 |
| clh-20210505.xsd | 2430 | 2021-05-05 08:05:56 |
| clh-20210505_cal.xml | 717 | 2021-05-05 08:05:56 |
| clh-20210505_def.xml | 1650 | 2021-05-05 08:05:56 |
| clh-20210505_htm.xml | 11686 | 2021-05-05 08:05:56 |
| clh-20210505_lab.xml | 24275 | 2021-05-05 08:05:56 |
| clh-20210505_pre.xml | 12653 | 2021-05-05 08:05:56 |
| clh-q12021pressrelease.htm | 226258 | 2021-05-05 08:05:56 |
| FilingSummary.xml | 1717 | 2021-05-05 08:05:56 |
| Financial_Report.xlsx | 5657 | 2021-05-05 08:05:56 |
 image1a.jpg | 9996 | 2021-05-05 08:05:56 |
| MetaLinks.json | 17341 | 2021-05-05 08:05:56 |
| R1.htm | 38596 | 2021-05-05 08:05:56 |
| report.css | 2767 | 2021-05-05 08:05:56 |
| Show.js | 1085 | 2021-05-05 08:05:56 |