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| 0000949157-20-000018-index.html | 2020-02-20 16:03:58 | |
| 0000949157-20-000018.txt | 2020-02-20 16:03:58 | |
 0000949157-20-000018-xbrl.zip | 40645 | 2020-02-20 16:03:58 |
| a20191231q48-k.htm | 46075 | 2020-02-20 16:03:58 |
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 centuryheaderlogoa42.jpg | 7822 | 2020-02-20 16:03:58 |
 centuryheaderlogoa45.jpg | 7822 | 2020-02-20 16:03:58 |
| cenx-20200220.xsd | 4669 | 2020-02-20 16:03:58 |
| cenx-20200220_cal.xml | 703 | 2020-02-20 16:03:58 |
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| exhibit99120191231q4earnin.htm | 483221 | 2020-02-20 16:03:58 |
| FilingSummary.xml | 1899 | 2020-02-20 16:03:58 |
| Financial_Report.xlsx | 5827 | 2020-02-20 16:03:58 |
| MetaLinks.json | 19641 | 2020-02-20 16:03:58 |
| R1.htm | 40188 | 2020-02-20 16:03:58 |
| report.css | 2767 | 2020-02-20 16:03:58 |
| Show.js | 1085 | 2020-02-20 16:03:58 |