Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000764065-21-000050-index-headers.html | 2021-02-09 17:13:20 | |
| 0000764065-21-000050-index.html | 2021-02-09 17:13:20 | |
| 0000764065-21-000050.txt | 2021-02-09 17:13:20 | |
 0000764065-21-000050-xbrl.zip | 23152 | 2021-02-09 17:13:20 |
| a20210209-8xkxex991.htm | 12874 | 2021-02-09 17:13:20 |
 a20210209-8xkxex991001.jpg | 271005 | 2021-02-09 17:13:20 |
 a20210209-8xkxex991002.jpg | 363342 | 2021-02-09 17:13:20 |
 a20210209-8xkxex991003.jpg | 178663 | 2021-02-09 17:13:20 |
| a20210209-8xkxex992.htm | 13421 | 2021-02-09 17:13:20 |
 a20210209-8xkxex992001.jpg | 264205 | 2021-02-09 17:13:20 |
 a20210209-8xkxex992002.jpg | 362676 | 2021-02-09 17:13:20 |
 a20210209-8xkxex992003.jpg | 219571 | 2021-02-09 17:13:20 |
| clf-20210209.htm | 42180 | 2021-02-09 17:13:20 |
| clf-20210209.xsd | 2485 | 2021-02-09 17:13:20 |
| clf-20210209_cal.xml | 761 | 2021-02-09 17:13:20 |
| clf-20210209_def.xml | 1702 | 2021-02-09 17:13:20 |
| clf-20210209_htm.xml | 11554 | 2021-02-09 17:13:20 |
| clf-20210209_lab.xml | 26305 | 2021-02-09 17:13:20 |
| clf-20210209_pre.xml | 13782 | 2021-02-09 17:13:20 |
| FilingSummary.xml | 1791 | 2021-02-09 17:13:20 |
| Financial_Report.xlsx | 5469 | 2021-02-09 17:13:20 |
| MetaLinks.json | 18903 | 2021-02-09 17:13:20 |
| R1.htm | 40164 | 2021-02-09 17:13:20 |
| report.css | 2767 | 2021-02-09 17:13:20 |
| Show.js | 1085 | 2021-02-09 17:13:20 |