Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-267279-index-headers.html | 2021-09-08 07:45:02 | |
| 0001193125-21-267279-index.html | 2021-09-08 07:45:02 | |
| 0001193125-21-267279.txt | 2021-09-08 07:45:02 | |
 0001193125-21-267279-xbrl.zip | 11167 | 2021-09-08 07:45:02 |
| ati-20210908.xsd | 2890 | 2021-09-08 07:45:02 |
| ati-20210908_lab.xml | 17372 | 2021-09-08 07:45:02 |
| ati-20210908_pre.xml | 10952 | 2021-09-08 07:45:02 |
| d195394d8k.htm | 22777 | 2021-09-08 07:45:02 |
| d195394d8k_htm.xml | 3285 | 2021-09-08 07:45:02 |
| d195394dex991.htm | 10162 | 2021-09-08 07:45:02 |
| FilingSummary.xml | 1725 | 2021-09-08 07:45:02 |
| Financial_Report.xlsx | 5686 | 2021-09-08 07:45:02 |
 g195394g0907225443314.jpg | 2425 | 2021-09-08 07:45:02 |
 g195394g0907225444406.jpg | 3624 | 2021-09-08 07:45:02 |
| MetaLinks.json | 18205 | 2021-09-08 07:45:02 |
| R1.htm | 38630 | 2021-09-08 07:45:02 |
| report.css | 2767 | 2021-09-08 07:45:02 |
| Show.js | 1085 | 2021-09-08 07:45:02 |