Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950123-20-003292-index-headers.html | 2020-04-10 21:22:41 | |
| 0000950123-20-003292-index.html | 2020-04-10 21:22:41 | |
| 0000950123-20-003292.txt | 2020-04-10 21:22:41 | |
 0000950123-20-003292-xbrl.zip | 302266 | 2020-04-10 21:22:41 |
| atco-20191231.xml | 4316779 | 2020-04-10 21:22:41 |
| atco-20191231.xsd | 126162 | 2020-04-10 21:22:41 |
| atco-20191231_cal.xml | 127156 | 2020-04-10 21:22:41 |
| atco-20191231_def.xml | 723872 | 2020-04-10 21:22:41 |
| atco-20191231_lab.xml | 810599 | 2020-04-10 21:22:41 |
| atco-20191231_pre.xml | 878348 | 2020-04-10 21:22:41 |
| atco-20f_20191231.htm | 7816169 | 2020-04-10 21:22:41 |
| atco-ex121_1302.htm | 17382 | 2020-04-10 21:22:41 |
| atco-ex122_1300.htm | 17421 | 2020-04-10 21:22:41 |
| atco-ex123_1925.htm | 17336 | 2020-04-10 21:22:41 |
| atco-ex124_1924.htm | 17247 | 2020-04-10 21:22:41 |
| atco-ex131_1301.htm | 7962 | 2020-04-10 21:22:41 |
| atco-ex132_1344.htm | 8128 | 2020-04-10 21:22:41 |
| atco-ex151_1632.htm | 4236 | 2020-04-10 21:22:41 |
| atco-ex152_1633.htm | 5000 | 2020-04-10 21:22:41 |
| atco-ex24_1299.htm | 70912 | 2020-04-10 21:22:41 |
| atco-ex41_1099.htm | 55258 | 2020-04-10 21:22:41 |
| atco-ex444_1047.htm | 1154120 | 2020-04-10 21:22:41 |
| atco-ex445_1046.htm | 479714 | 2020-04-10 21:22:41 |
| atco-ex446_1045.htm | 144154 | 2020-04-10 21:22:41 |
| atco-ex447_1043.htm | 281524 | 2020-04-10 21:22:41 |
| atco-ex448_1044.htm | 893670 | 2020-04-10 21:22:41 |
| atco-ex449_1042.htm | 147354 | 2020-04-10 21:22:41 |
| atco-ex450_1041.htm | 56407 | 2020-04-10 21:22:41 |
| atco-ex81_1098.htm | 163570 | 2020-04-10 21:22:41 |
| FilingSummary.xml | 63824 | 2020-04-10 21:22:41 |
| Financial_Report.xlsx | 131038 | 2020-04-10 21:22:41 |
| R1.htm | 79420 | 2020-04-10 21:22:41 |
| R10.htm | 10951 | 2020-04-10 21:22:41 |
| R11.htm | 128416 | 2020-04-10 21:22:41 |
| R12.htm | 59789 | 2020-04-10 21:22:41 |
| R13.htm | 36197 | 2020-04-10 21:22:41 |
| R14.htm | 42351 | 2020-04-10 21:22:41 |
| R15.htm | 60371 | 2020-04-10 21:22:41 |
| R16.htm | 28465 | 2020-04-10 21:22:41 |
| R17.htm | 25961 | 2020-04-10 21:22:41 |
| R18.htm | 67735 | 2020-04-10 21:22:41 |
| R19.htm | 102575 | 2020-04-10 21:22:41 |
| R2.htm | 98697 | 2020-04-10 21:22:41 |
| R20.htm | 40698 | 2020-04-10 21:22:41 |
| R21.htm | 52587 | 2020-04-10 21:22:41 |
| R22.htm | 29060 | 2020-04-10 21:22:41 |
| R23.htm | 119646 | 2020-04-10 21:22:41 |
| R24.htm | 246468 | 2020-04-10 21:22:41 |
| R25.htm | 355422 | 2020-04-10 21:22:41 |
| R26.htm | 135436 | 2020-04-10 21:22:41 |
| R27.htm | 69131 | 2020-04-10 21:22:41 |
| R28.htm | 38410 | 2020-04-10 21:22:41 |
| R29.htm | 38049 | 2020-04-10 21:22:41 |
| R3.htm | 31395 | 2020-04-10 21:22:41 |
| R30.htm | 106304 | 2020-04-10 21:22:41 |
| R31.htm | 173938 | 2020-04-10 21:22:41 |
| R32.htm | 50698 | 2020-04-10 21:22:41 |
| R33.htm | 41566 | 2020-04-10 21:22:41 |
| R34.htm | 51092 | 2020-04-10 21:22:41 |
| R35.htm | 57484 | 2020-04-10 21:22:41 |
| R36.htm | 26275 | 2020-04-10 21:22:41 |
| R37.htm | 25788 | 2020-04-10 21:22:41 |
| R38.htm | 67435 | 2020-04-10 21:22:41 |
| R39.htm | 79210 | 2020-04-10 21:22:41 |
| R4.htm | 66805 | 2020-04-10 21:22:41 |
| R40.htm | 41667 | 2020-04-10 21:22:41 |
| R41.htm | 43625 | 2020-04-10 21:22:41 |
| R42.htm | 28325 | 2020-04-10 21:22:41 |
| R43.htm | 112163 | 2020-04-10 21:22:41 |
| R44.htm | 246474 | 2020-04-10 21:22:41 |
| R45.htm | 347949 | 2020-04-10 21:22:41 |
| R46.htm | 137460 | 2020-04-10 21:22:41 |
| R47.htm | 69108 | 2020-04-10 21:22:41 |
| R48.htm | 33943 | 2020-04-10 21:22:41 |
| R49.htm | 38182 | 2020-04-10 21:22:41 |
| R5.htm | 154206 | 2020-04-10 21:22:41 |
| R50.htm | 102587 | 2020-04-10 21:22:41 |
| R51.htm | 6369 | 2020-04-10 21:22:41 |
| R52.htm | 198015 | 2020-04-10 21:22:41 |
| R53.htm | 11096 | 2020-04-10 21:22:41 |
| R54.htm | 27118 | 2020-04-10 21:22:41 |
| R55.htm | 39558 | 2020-04-10 21:22:41 |
| R56.htm | 23535 | 2020-04-10 21:22:41 |
| R57.htm | 14878 | 2020-04-10 21:22:41 |
| R58.htm | 26312 | 2020-04-10 21:22:41 |
| R59.htm | 60796 | 2020-04-10 21:22:41 |
| R6.htm | 17224 | 2020-04-10 21:22:41 |
| R60.htm | 20342 | 2020-04-10 21:22:41 |
| R61.htm | 9096 | 2020-04-10 21:22:41 |
| R62.htm | 13753 | 2020-04-10 21:22:41 |
| R63.htm | 29062 | 2020-04-10 21:22:41 |
| R64.htm | 18888 | 2020-04-10 21:22:41 |
| R65.htm | 13523 | 2020-04-10 21:22:41 |
| R66.htm | 17586 | 2020-04-10 21:22:41 |
| R67.htm | 14806 | 2020-04-10 21:22:41 |
| R68.htm | 20916 | 2020-04-10 21:22:41 |
| R69.htm | 33280 | 2020-04-10 21:22:41 |
| R7.htm | 24595 | 2020-04-10 21:22:41 |
| R70.htm | 28666 | 2020-04-10 21:22:41 |
| R71.htm | 113804 | 2020-04-10 21:22:41 |
| R72.htm | 27678 | 2020-04-10 21:22:41 |
| R73.htm | 14684 | 2020-04-10 21:22:41 |
| R74.htm | 16087 | 2020-04-10 21:22:41 |
| R75.htm | 13114 | 2020-04-10 21:22:41 |
| R76.htm | 36082 | 2020-04-10 21:22:41 |
| R77.htm | 16773 | 2020-04-10 21:22:41 |
| R78.htm | 13662 | 2020-04-10 21:22:41 |
| R79.htm | 94220 | 2020-04-10 21:22:41 |
| R8.htm | 12685 | 2020-04-10 21:22:41 |
| R80.htm | 47246 | 2020-04-10 21:22:41 |
| R81.htm | 35027 | 2020-04-10 21:22:41 |
| R82.htm | 51454 | 2020-04-10 21:22:41 |
| R83.htm | 82525 | 2020-04-10 21:22:41 |
| R84.htm | 66150 | 2020-04-10 21:22:41 |
| R85.htm | 10515 | 2020-04-10 21:22:41 |
| R86.htm | 43362 | 2020-04-10 21:22:41 |
| R87.htm | 12772 | 2020-04-10 21:22:41 |
| R88.htm | 10687 | 2020-04-10 21:22:41 |
| R89.htm | 43989 | 2020-04-10 21:22:41 |
| R9.htm | 123165 | 2020-04-10 21:22:41 |
| R90.htm | 7840 | 2020-04-10 21:22:41 |
| R91.htm | 23179 | 2020-04-10 21:22:41 |
| R92.htm | 20853 | 2020-04-10 21:22:41 |
| R93.htm | 14925 | 2020-04-10 21:22:41 |
| R94.htm | 36340 | 2020-04-10 21:22:41 |
| R95.htm | 24411 | 2020-04-10 21:22:41 |
| R96.htm | 12409 | 2020-04-10 21:22:41 |
| R97.htm | 19869 | 2020-04-10 21:22:41 |
| R98.htm | 13117 | 2020-04-10 21:22:41 |
| report.css | 2767 | 2020-04-10 21:22:41 |
| Show.js | 1085 | 2020-04-10 21:22:41 |