Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-085304-index-headers.html | 2020-03-25 17:01:09 | |
| 0001193125-20-085304-index.html | 2020-03-25 17:01:09 | |
| 0001193125-20-085304.txt | 2020-03-25 17:01:09 | |
 0001193125-20-085304-xbrl.zip | 12433 | 2020-03-25 17:01:09 |
| ato-20200319.xsd | 3803 | 2020-03-25 17:01:09 |
| ato-20200319_def.xml | 13434 | 2020-03-25 17:01:09 |
| ato-20200319_lab.xml | 21834 | 2020-03-25 17:01:09 |
| ato-20200319_pre.xml | 14207 | 2020-03-25 17:01:09 |
| d864209d8k.htm | 29627 | 2020-03-25 17:01:09 |
| d864209d8k_htm.xml | 4451 | 2020-03-25 17:01:09 |
| d864209dex991.htm | 4336 | 2020-03-25 17:01:09 |
| FilingSummary.xml | 1898 | 2020-03-25 17:01:09 |
| Financial_Report.xlsx | 5851 | 2020-03-25 17:01:09 |
 g864209g88f08.jpg | 9455 | 2020-03-25 17:01:09 |
| MetaLinks.json | 21568 | 2020-03-25 17:01:09 |
| R1.htm | 41917 | 2020-03-25 17:01:09 |
| report.css | 2767 | 2020-03-25 17:01:09 |
| Show.js | 1085 | 2020-03-25 17:01:09 |