Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-208720-index-headers.html | 2021-07-06 16:06:11 | |
| 0001193125-21-208720-index.html | 2021-07-06 16:06:11 | |
| 0001193125-21-208720.txt | 2021-07-06 16:06:11 | |
 0001193125-21-208720-xbrl.zip | 10144 | 2021-07-06 16:06:11 |
| ati-20210706.xsd | 2891 | 2021-07-06 16:06:11 |
| ati-20210706_lab.xml | 17373 | 2021-07-06 16:06:11 |
| ati-20210706_pre.xml | 10953 | 2021-07-06 16:06:11 |
| d181185d8k.htm | 24725 | 2021-07-06 16:06:11 |
| d181185d8k_htm.xml | 3285 | 2021-07-06 16:06:11 |
| d181185dex991.htm | 6845 | 2021-07-06 16:06:11 |
| FilingSummary.xml | 1725 | 2021-07-06 16:06:11 |
| Financial_Report.xlsx | 5687 | 2021-07-06 16:06:11 |
 g181185g0706183258716.jpg | 3336 | 2021-07-06 16:06:11 |
| MetaLinks.json | 18235 | 2021-07-06 16:06:11 |
| R1.htm | 38630 | 2021-07-06 16:06:11 |
| report.css | 2767 | 2021-07-06 16:06:11 |
| Show.js | 1085 | 2021-07-06 16:06:11 |