Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-171791-index-headers.html | 2020-06-18 06:09:46 | |
| 0001193125-20-171791-index.html | 2020-06-18 06:09:46 | |
| 0001193125-20-171791.txt | 2020-06-18 06:09:46 | |
 0001193125-20-171791-xbrl.zip | 12800 | 2020-06-18 06:09:46 |
| ati-20200617.xsd | 3070 | 2020-06-18 06:09:46 |
| ati-20200617_lab.xml | 17374 | 2020-06-18 06:09:46 |
| ati-20200617_pre.xml | 10954 | 2020-06-18 06:09:46 |
| d907056d8k.htm | 25736 | 2020-06-18 06:09:46 |
| d907056d8k_htm.xml | 3285 | 2020-06-18 06:09:46 |
| d907056dex991.htm | 16270 | 2020-06-18 06:09:46 |
| FilingSummary.xml | 1725 | 2020-06-18 06:09:46 |
| Financial_Report.xlsx | 5796 | 2020-06-18 06:09:46 |
| MetaLinks.json | 18234 | 2020-06-18 06:09:46 |
| R1.htm | 38624 | 2020-06-18 06:09:46 |
| report.css | 2767 | 2020-06-18 06:09:46 |
| Show.js | 1085 | 2020-06-18 06:09:46 |