Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-073980-index-headers.html | 2021-03-09 08:22:05 | |
| 0001193125-21-073980-index.html | 2021-03-09 08:22:05 | |
| 0001193125-21-073980.txt | 2021-03-09 08:22:05 | |
 0001193125-21-073980-xbrl.zip | 88848 | 2021-03-09 08:22:05 |
| ato-20210304.xsd | 3800 | 2021-03-09 08:22:05 |
| ato-20210304_def.xml | 13431 | 2021-03-09 08:22:05 |
| ato-20210304_lab.xml | 21831 | 2021-03-09 08:22:05 |
| ato-20210304_pre.xml | 14204 | 2021-03-09 08:22:05 |
| d50455d8k.htm | 33782 | 2021-03-09 08:22:05 |
| d50455d8k_htm.xml | 4304 | 2021-03-09 08:22:05 |
| d50455dex11.htm | 200968 | 2021-03-09 08:22:05 |
| d50455dex41.htm | 19030 | 2021-03-09 08:22:05 |
| d50455dex42.htm | 60380 | 2021-03-09 08:22:05 |
| d50455dex43.htm | 30918 | 2021-03-09 08:22:05 |
| d50455dex44.htm | 69767 | 2021-03-09 08:22:05 |
| d50455dex51.htm | 12304 | 2021-03-09 08:22:05 |
| d50455dex52.htm | 20774 | 2021-03-09 08:22:05 |
| FilingSummary.xml | 2091 | 2021-03-09 08:22:05 |
| Financial_Report.xlsx | 5513 | 2021-03-09 08:22:05 |
 g50455g0309013348263.jpg | 3842 | 2021-03-09 08:22:05 |
 g50455g26k60.jpg | 18397 | 2021-03-09 08:22:05 |
 g50455g80t95.jpg | 2926 | 2021-03-09 08:22:05 |
 g50455page1c.jpg | 3441 | 2021-03-09 08:22:05 |
| MetaLinks.json | 21592 | 2021-03-09 08:22:05 |
| R1.htm | 41923 | 2021-03-09 08:22:05 |
| report.css | 2767 | 2021-03-09 08:22:05 |
| Show.js | 1085 | 2021-03-09 08:22:05 |