Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-269337-index-headers.html | 2021-09-10 06:16:56 | |
| 0001193125-21-269337-index.html | 2021-09-10 06:16:56 | |
| 0001193125-21-269337.txt | 2021-09-10 06:16:56 | |
 0001193125-21-269337-xbrl.zip | 11282 | 2021-09-10 06:16:56 |
| ati-20210909.xsd | 2891 | 2021-09-10 06:16:56 |
| ati-20210909_lab.xml | 17373 | 2021-09-10 06:16:56 |
| ati-20210909_pre.xml | 10953 | 2021-09-10 06:16:56 |
| d154207d8k.htm | 21626 | 2021-09-10 06:16:56 |
| d154207d8k_htm.xml | 3285 | 2021-09-10 06:16:56 |
| d154207dex991.htm | 10069 | 2021-09-10 06:16:56 |
| FilingSummary.xml | 1725 | 2021-09-10 06:16:56 |
| Financial_Report.xlsx | 5686 | 2021-09-10 06:16:56 |
 g154207g0908195717749.jpg | 2411 | 2021-09-10 06:16:56 |
| MetaLinks.json | 18205 | 2021-09-10 06:16:56 |
| R1.htm | 38630 | 2021-09-10 06:16:56 |
| report.css | 2767 | 2021-09-10 06:16:56 |
| Show.js | 1085 | 2021-09-10 06:16:56 |