Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000008063-17-000018-index-headers.html | 2017-05-05 16:14:14 | |
| 0000008063-17-000018-index.html | 2017-05-05 16:14:14 | |
| 0000008063-17-000018.txt | 2017-05-05 16:14:14 | |
 0000008063-17-000018-xbrl.zip | 140917 | 2017-05-05 16:14:14 |
| atro-20170401.xml | 840895 | 2017-05-05 16:14:14 |
| atro-20170401.xsd | 37415 | 2017-05-05 16:14:14 |
| atro-20170401_cal.xml | 64581 | 2017-05-05 16:14:14 |
| atro-20170401_def.xml | 168232 | 2017-05-05 16:14:14 |
| atro-20170401_lab.xml | 472994 | 2017-05-05 16:14:14 |
| atro-20170401_pre.xml | 276231 | 2017-05-05 16:14:14 |
| atro-201741x10q.htm | 660883 | 2017-05-05 16:14:14 |
| atro-201741x10qxexh311.htm | 13572 | 2017-05-05 16:14:14 |
| atro-201741x10qxexh312.htm | 13532 | 2017-05-05 16:14:14 |
| atro-201741x10qxexh32.htm | 7814 | 2017-05-05 16:14:14 |
| FilingSummary.xml | 33713 | 2017-05-05 16:14:14 |
| Financial_Report.xlsx | 61121 | 2017-05-05 16:14:14 |
| R1.htm | 24895 | 2017-05-05 16:14:14 |
| R10.htm | 19923 | 2017-05-05 16:14:14 |
| R11.htm | 10873 | 2017-05-05 16:14:14 |
| R12.htm | 16756 | 2017-05-05 16:14:14 |
| R13.htm | 6984 | 2017-05-05 16:14:14 |
| R14.htm | 73130 | 2017-05-05 16:14:14 |
| R15.htm | 14303 | 2017-05-05 16:14:14 |
| R16.htm | 34173 | 2017-05-05 16:14:14 |
| R17.htm | 28955 | 2017-05-05 16:14:14 |
| R18.htm | 8472 | 2017-05-05 16:14:14 |
| R19.htm | 12249 | 2017-05-05 16:14:14 |
| R2.htm | 63043 | 2017-05-05 16:14:14 |
| R20.htm | 47763 | 2017-05-05 16:14:14 |
| R21.htm | 13881 | 2017-05-05 16:14:14 |
| R22.htm | 12477 | 2017-05-05 16:14:14 |
| R23.htm | 5863 | 2017-05-05 16:14:14 |
| R24.htm | 39082 | 2017-05-05 16:14:14 |
| R25.htm | 14651 | 2017-05-05 16:14:14 |
| R26.htm | 18616 | 2017-05-05 16:14:14 |
| R27.htm | 52993 | 2017-05-05 16:14:14 |
| R28.htm | 20391 | 2017-05-05 16:14:14 |
| R29.htm | 16485 | 2017-05-05 16:14:14 |
| R3.htm | 31337 | 2017-05-05 16:14:14 |
| R30.htm | 67481 | 2017-05-05 16:14:14 |
| R31.htm | 11889 | 2017-05-05 16:14:14 |
| R32.htm | 33698 | 2017-05-05 16:14:14 |
| R33.htm | 27575 | 2017-05-05 16:14:14 |
| R34.htm | 44926 | 2017-05-05 16:14:14 |
| R35.htm | 12848 | 2017-05-05 16:14:14 |
| R36.htm | 12124 | 2017-05-05 16:14:14 |
| R37.htm | 18906 | 2017-05-05 16:14:14 |
| R38.htm | 25080 | 2017-05-05 16:14:14 |
| R39.htm | 5357 | 2017-05-05 16:14:14 |
| R4.htm | 18655 | 2017-05-05 16:14:14 |
| R40.htm | 14958 | 2017-05-05 16:14:14 |
| R41.htm | 15739 | 2017-05-05 16:14:14 |
| R42.htm | 41411 | 2017-05-05 16:14:14 |
| R43.htm | 18370 | 2017-05-05 16:14:14 |
| R44.htm | 4978 | 2017-05-05 16:14:14 |
| R45.htm | 67482 | 2017-05-05 16:14:14 |
| R46.htm | 11150 | 2017-05-05 16:14:14 |
| R47.htm | 9634 | 2017-05-05 16:14:14 |
| R48.htm | 10275 | 2017-05-05 16:14:14 |
| R49.htm | 16121 | 2017-05-05 16:14:14 |
| R5.htm | 71084 | 2017-05-05 16:14:14 |
| R50.htm | 20032 | 2017-05-05 16:14:14 |
| R51.htm | 22916 | 2017-05-05 16:14:14 |
| R52.htm | 17874 | 2017-05-05 16:14:14 |
| R53.htm | 15912 | 2017-05-05 16:14:14 |
| R54.htm | 36537 | 2017-05-05 16:14:14 |
| R55.htm | 12306 | 2017-05-05 16:14:14 |
| R56.htm | 9629 | 2017-05-05 16:14:14 |
| R6.htm | 17386 | 2017-05-05 16:14:14 |
| R7.htm | 14164 | 2017-05-05 16:14:14 |
| R8.htm | 19527 | 2017-05-05 16:14:14 |
| R9.htm | 49429 | 2017-05-05 16:14:14 |
| report.css | 2767 | 2017-05-05 16:14:14 |
| Show.js | 1410 | 2017-05-05 16:14:14 |