Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000008063-18-000010-index-headers.html | 2018-05-10 15:08:53 | |
| 0000008063-18-000010-index.html | 2018-05-10 15:08:53 | |
| 0000008063-18-000010.txt | 2018-05-10 15:08:53 | |
 0000008063-18-000010-xbrl.zip | 178163 | 2018-05-10 15:08:53 |
| atro-20180331.xml | 1345120 | 2018-05-10 15:08:53 |
| atro-20180331.xsd | 43712 | 2018-05-10 15:08:53 |
| atro-20180331_cal.xml | 64851 | 2018-05-10 15:08:53 |
| atro-20180331_def.xml | 229739 | 2018-05-10 15:08:53 |
| atro-20180331_lab.xml | 537121 | 2018-05-10 15:08:53 |
| atro-20180331_pre.xml | 346437 | 2018-05-10 15:08:53 |
| atro-2018331x10q.htm | 890897 | 2018-05-10 15:08:53 |
| atro-2018331x10qxexh311.htm | 13574 | 2018-05-10 15:08:53 |
| atro-2018331x10qxexh312.htm | 13534 | 2018-05-10 15:08:53 |
| atro-2018331x10qxexh32.htm | 7818 | 2018-05-10 15:08:53 |
| FilingSummary.xml | 38225 | 2018-05-10 15:08:53 |
| Financial_Report.xlsx | 76469 | 2018-05-10 15:08:53 |
| R1.htm | 24894 | 2018-05-10 15:08:53 |
| R10.htm | 49645 | 2018-05-10 15:08:53 |
| R11.htm | 20194 | 2018-05-10 15:08:53 |
| R12.htm | 10686 | 2018-05-10 15:08:53 |
| R13.htm | 18473 | 2018-05-10 15:08:53 |
| R14.htm | 8819 | 2018-05-10 15:08:53 |
| R15.htm | 73862 | 2018-05-10 15:08:53 |
| R16.htm | 13774 | 2018-05-10 15:08:53 |
| R17.htm | 35946 | 2018-05-10 15:08:53 |
| R18.htm | 31484 | 2018-05-10 15:08:53 |
| R19.htm | 7037 | 2018-05-10 15:08:53 |
| R2.htm | 62631 | 2018-05-10 15:08:53 |
| R20.htm | 14279 | 2018-05-10 15:08:53 |
| R21.htm | 46793 | 2018-05-10 15:08:53 |
| R22.htm | 11760 | 2018-05-10 15:08:53 |
| R23.htm | 25262 | 2018-05-10 15:08:53 |
| R24.htm | 36499 | 2018-05-10 15:08:53 |
| R25.htm | 157866 | 2018-05-10 15:08:53 |
| R26.htm | 14488 | 2018-05-10 15:08:53 |
| R27.htm | 18619 | 2018-05-10 15:08:53 |
| R28.htm | 53830 | 2018-05-10 15:08:53 |
| R29.htm | 20473 | 2018-05-10 15:08:53 |
| R3.htm | 32450 | 2018-05-10 15:08:53 |
| R30.htm | 18258 | 2018-05-10 15:08:53 |
| R31.htm | 72242 | 2018-05-10 15:08:53 |
| R32.htm | 13232 | 2018-05-10 15:08:53 |
| R33.htm | 37710 | 2018-05-10 15:08:53 |
| R34.htm | 31273 | 2018-05-10 15:08:53 |
| R35.htm | 47585 | 2018-05-10 15:08:53 |
| R36.htm | 21265 | 2018-05-10 15:08:53 |
| R37.htm | 25542 | 2018-05-10 15:08:53 |
| R38.htm | 30454 | 2018-05-10 15:08:53 |
| R39.htm | 56976 | 2018-05-10 15:08:53 |
| R4.htm | 17810 | 2018-05-10 15:08:53 |
| R40.htm | 15095 | 2018-05-10 15:08:53 |
| R41.htm | 7838 | 2018-05-10 15:08:53 |
| R42.htm | 22033 | 2018-05-10 15:08:53 |
| R43.htm | 22028 | 2018-05-10 15:08:53 |
| R44.htm | 12388 | 2018-05-10 15:08:53 |
| R45.htm | 18909 | 2018-05-10 15:08:53 |
| R46.htm | 26683 | 2018-05-10 15:08:53 |
| R47.htm | 5358 | 2018-05-10 15:08:53 |
| R48.htm | 14963 | 2018-05-10 15:08:53 |
| R49.htm | 15784 | 2018-05-10 15:08:53 |
| R5.htm | 66503 | 2018-05-10 15:08:53 |
| R50.htm | 38816 | 2018-05-10 15:08:53 |
| R51.htm | 18369 | 2018-05-10 15:08:53 |
| R52.htm | 6944 | 2018-05-10 15:08:53 |
| R53.htm | 82549 | 2018-05-10 15:08:53 |
| R54.htm | 11815 | 2018-05-10 15:08:53 |
| R55.htm | 9385 | 2018-05-10 15:08:53 |
| R56.htm | 19447 | 2018-05-10 15:08:53 |
| R57.htm | 21339 | 2018-05-10 15:08:53 |
| R58.htm | 20029 | 2018-05-10 15:08:53 |
| R59.htm | 17875 | 2018-05-10 15:08:53 |
| R6.htm | 24089 | 2018-05-10 15:08:53 |
| R60.htm | 18568 | 2018-05-10 15:08:53 |
| R61.htm | 35221 | 2018-05-10 15:08:53 |
| R62.htm | 7939 | 2018-05-10 15:08:53 |
| R63.htm | 13647 | 2018-05-10 15:08:53 |
| R64.htm | 17114 | 2018-05-10 15:08:53 |
| R7.htm | 164544 | 2018-05-10 15:08:53 |
| R8.htm | 13759 | 2018-05-10 15:08:53 |
| R9.htm | 18601 | 2018-05-10 15:08:53 |
| report.css | 2767 | 2018-05-10 15:08:53 |
| Show.js | 1410 | 2018-05-10 15:08:53 |