Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-11-294457-index-headers.html | 2011-11-03 12:03:00 | |
| 0001193125-11-294457-index.html | 2011-11-03 12:03:00 | |
| 0001193125-11-294457.txt | 2011-11-03 12:03:00 | |
 0001193125-11-294457-xbrl.zip | 93906 | 2011-11-03 12:03:00 |
| anss-20110930.xml | 792926 | 2011-11-03 12:03:00 |
| anss-20110930.xsd | 40025 | 2011-11-03 12:03:00 |
| anss-20110930_cal.xml | 60491 | 2011-11-03 12:03:00 |
| anss-20110930_def.xml | 88277 | 2011-11-03 12:03:00 |
| anss-20110930_lab.xml | 315699 | 2011-11-03 12:03:00 |
| anss-20110930_pre.xml | 243741 | 2011-11-03 12:03:00 |
| d233063d10q.htm | 665750 | 2011-11-03 12:03:00 |
| d233063dex15.htm | 2527 | 2011-11-03 12:03:00 |
| d233063dex311.htm | 9604 | 2011-11-03 12:03:00 |
| d233063dex312.htm | 9578 | 2011-11-03 12:03:00 |
| d233063dex321.htm | 3813 | 2011-11-03 12:03:00 |
| d233063dex322.htm | 3773 | 2011-11-03 12:03:00 |
| FilingSummary.xml | 26772 | 2011-11-03 12:03:00 |
| Financial_Report.xls | 658881 | 2011-11-03 12:03:00 |
| R1.htm | 19501 | 2011-11-03 12:03:00 |
| R10.htm | 5501 | 2011-11-03 12:03:00 |
| R11.htm | 25926 | 2011-11-03 12:03:00 |
| R12.htm | 26212 | 2011-11-03 12:03:00 |
| R13.htm | 40029 | 2011-11-03 12:03:00 |
| R14.htm | 52919 | 2011-11-03 12:03:00 |
| R15.htm | 33691 | 2011-11-03 12:03:00 |
| R16.htm | 6511 | 2011-11-03 12:03:00 |
| R17.htm | 32602 | 2011-11-03 12:03:00 |
| R18.htm | 8920 | 2011-11-03 12:03:00 |
| R19.htm | 7223 | 2011-11-03 12:03:00 |
| R2.htm | 132990 | 2011-11-03 12:03:00 |
| R20.htm | 11959 | 2011-11-03 12:03:00 |
| R21.htm | 21665 | 2011-11-03 12:03:00 |
| R22.htm | 13822 | 2011-11-03 12:03:00 |
| R23.htm | 19438 | 2011-11-03 12:03:00 |
| R24.htm | 35012 | 2011-11-03 12:03:00 |
| R25.htm | 22529 | 2011-11-03 12:03:00 |
| R26.htm | 27005 | 2011-11-03 12:03:00 |
| R27.htm | 39856 | 2011-11-03 12:03:00 |
| R28.htm | 43124 | 2011-11-03 12:03:00 |
| R29.htm | 37423 | 2011-11-03 12:03:00 |
| R3.htm | 27035 | 2011-11-03 12:03:00 |
| R30.htm | 28333 | 2011-11-03 12:03:00 |
| R31.htm | 23789 | 2011-11-03 12:03:00 |
| R32.htm | 38964 | 2011-11-03 12:03:00 |
| R33.htm | 52422 | 2011-11-03 12:03:00 |
| R34.htm | 20447 | 2011-11-03 12:03:00 |
| R35.htm | 32020 | 2011-11-03 12:03:00 |
| R36.htm | 14113 | 2011-11-03 12:03:00 |
| R37.htm | 6469 | 2011-11-03 12:03:00 |
| R38.htm | 37745 | 2011-11-03 12:03:00 |
| R39.htm | 29661 | 2011-11-03 12:03:00 |
| R4.htm | 82205 | 2011-11-03 12:03:00 |
| R40.htm | 18325 | 2011-11-03 12:03:00 |
| R41.htm | 10976 | 2011-11-03 12:03:00 |
| R42.htm | 31853 | 2011-11-03 12:03:00 |
| R43.htm | 26221 | 2011-11-03 12:03:00 |
| R44.htm | 15773 | 2011-11-03 12:03:00 |
| R45.htm | 16680 | 2011-11-03 12:03:00 |
| R46.htm | 20325 | 2011-11-03 12:03:00 |
| R47.htm | 12237 | 2011-11-03 12:03:00 |
| R48.htm | 21257 | 2011-11-03 12:03:00 |
| R49.htm | 9313 | 2011-11-03 12:03:00 |
| R5.htm | 116563 | 2011-11-03 12:03:00 |
| R50.htm | 17889 | 2011-11-03 12:03:00 |
| R51.htm | 10717 | 2011-11-03 12:03:00 |
| R6.htm | 6339 | 2011-11-03 12:03:00 |
| R7.htm | 19608 | 2011-11-03 12:03:00 |
| R8.htm | 24275 | 2011-11-03 12:03:00 |
| R9.htm | 46441 | 2011-11-03 12:03:00 |
| report.css | 2721 | 2011-11-03 12:03:00 |
| Show.js | 6423 | 2011-11-03 12:03:00 |