Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-22-178766-index-headers.html | 2022-06-22 16:06:05 | |
| 0001193125-22-178766-index.html | 2022-06-22 16:06:05 | |
| 0001193125-22-178766.txt | 2022-06-22 16:06:05 | |
 0001193125-22-178766-xbrl.zip | 35943 | 2022-06-22 16:06:05 |
| ati-20220622.xsd | 2861 | 2022-06-22 16:06:05 |
| ati-20220622_lab.xml | 17982 | 2022-06-22 16:06:05 |
| ati-20220622_pre.xml | 11263 | 2022-06-22 16:06:05 |
| d314796d8k.htm | 26951 | 2022-06-22 16:06:05 |
| d314796d8k_htm.xml | 3477 | 2022-06-22 16:06:05 |
| d314796dex31.htm | 3331 | 2022-06-22 16:06:05 |
| d314796dex32.htm | 152936 | 2022-06-22 16:06:05 |
| FilingSummary.xml | 1763 | 2022-06-22 16:06:05 |
| Financial_Report.xlsx | 5720 | 2022-06-22 16:06:05 |
 g314796g0622022319946.jpg | 2797 | 2022-06-22 16:06:05 |
| MetaLinks.json | 18361 | 2022-06-22 16:06:05 |
| R1.htm | 40095 | 2022-06-22 16:06:05 |
| report.css | 2767 | 2022-06-22 16:06:05 |
| Show.js | 1085 | 2022-06-22 16:06:05 |