Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-065771-index-headers.html | 2021-03-02 17:23:07 | |
| 0001193125-21-065771-index.html | 2021-03-02 17:23:07 | |
| 0001193125-21-065771.txt | 2021-03-02 17:23:07 | |
 0001193125-21-065771-xbrl.zip | 20154 | 2021-03-02 17:23:07 |
| ati-20210302.xsd | 3068 | 2021-03-02 17:23:07 |
| ati-20210302_lab.xml | 17372 | 2021-03-02 17:23:07 |
| ati-20210302_pre.xml | 10952 | 2021-03-02 17:23:07 |
| d103304d8k.htm | 25766 | 2021-03-02 17:23:07 |
| d103304d8k_htm.xml | 3342 | 2021-03-02 17:23:07 |
| d103304dex101.htm | 49647 | 2021-03-02 17:23:07 |
| FilingSummary.xml | 1725 | 2021-03-02 17:23:07 |
| Financial_Report.xlsx | 5465 | 2021-03-02 17:23:07 |
| MetaLinks.json | 18292 | 2021-03-02 17:23:07 |
| R1.htm | 38630 | 2021-03-02 17:23:07 |
| report.css | 2767 | 2021-03-02 17:23:07 |
| Show.js | 1084 | 2021-03-02 17:23:07 |