Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-113547-index-headers.html | 2020-04-21 16:17:09 | |
| 0001193125-20-113547-index.html | 2020-04-21 16:17:09 | |
| 0001193125-20-113547.txt | 2020-04-21 16:17:09 | |
 0001193125-20-113547-xbrl.zip | 8347 | 2020-04-21 16:17:09 |
| ati-20200421.xsd | 3070 | 2020-04-21 16:17:09 |
| ati-20200421_lab.xml | 17374 | 2020-04-21 16:17:09 |
| ati-20200421_pre.xml | 10954 | 2020-04-21 16:17:09 |
| d920191d8k.htm | 25184 | 2020-04-21 16:17:09 |
| d920191d8k_htm.xml | 3285 | 2020-04-21 16:17:09 |
| FilingSummary.xml | 1690 | 2020-04-21 16:17:09 |
| Financial_Report.xlsx | 5794 | 2020-04-21 16:17:09 |
| MetaLinks.json | 18234 | 2020-04-21 16:17:09 |
| R1.htm | 38625 | 2020-04-21 16:17:09 |
| report.css | 2767 | 2020-04-21 16:17:09 |
| Show.js | 1084 | 2020-04-21 16:17:09 |