Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-302638-index-headers.html | 2020-11-24 16:37:01 | |
| 0001193125-20-302638-index.html | 2020-11-24 16:37:01 | |
| 0001193125-20-302638.txt | 2020-11-24 16:37:01 | |
 0001193125-20-302638-xbrl.zip | 8081 | 2020-11-24 16:37:01 |
| ati-20201124.xsd | 3070 | 2020-11-24 16:37:01 |
| ati-20201124_lab.xml | 17374 | 2020-11-24 16:37:01 |
| ati-20201124_pre.xml | 10954 | 2020-11-24 16:37:01 |
| d60928d8k.htm | 23340 | 2020-11-24 16:37:01 |
| d60928d8k_htm.xml | 3285 | 2020-11-24 16:37:01 |
| FilingSummary.xml | 1687 | 2020-11-24 16:37:01 |
| Financial_Report.xlsx | 5464 | 2020-11-24 16:37:01 |
| MetaLinks.json | 18288 | 2020-11-24 16:37:01 |
| R1.htm | 38629 | 2020-11-24 16:37:01 |
| report.css | 2766 | 2020-11-24 16:37:01 |
| Show.js | 1084 | 2020-11-24 16:37:01 |