Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-11-127790-index-headers.html | 2011-05-05 11:24:41 | |
| 0001193125-11-127790-index.html | 2011-05-05 11:24:41 | |
| 0001193125-11-127790.txt | 2011-05-05 11:24:41 | |
 0001193125-11-127790-xbrl.zip | 36732 | 2011-05-05 11:24:41 |
| anss-20110331.xml | 222429 | 2011-05-05 11:24:41 |
| anss-20110331.xsd | 13479 | 2011-05-05 11:24:41 |
| anss-20110331_cal.xml | 41447 | 2011-05-05 11:24:41 |
| anss-20110331_lab.xml | 133443 | 2011-05-05 11:24:41 |
| anss-20110331_pre.xml | 88649 | 2011-05-05 11:24:41 |
| d10q.htm | 457495 | 2011-05-05 11:24:41 |
| defnref.xml | 24808 | 2011-05-05 11:24:41 |
| dex15.htm | 2501 | 2011-05-05 11:24:41 |
| dex311.htm | 9520 | 2011-05-05 11:24:41 |
| dex312.htm | 9586 | 2011-05-05 11:24:41 |
| dex321.htm | 3931 | 2011-05-05 11:24:41 |
| dex322.htm | 3891 | 2011-05-05 11:24:41 |
| FilingSummary.xml | 11055 | 2011-05-05 11:24:41 |
| Financial_Report.xls | 202064 | 2011-05-05 11:24:41 |
| R1.xml | 32971 | 2011-05-05 11:24:41 |
| R10.xml | 21161 | 2011-05-05 11:24:41 |
| R11.xml | 27234 | 2011-05-05 11:24:41 |
| R12.xml | 39021 | 2011-05-05 11:24:41 |
| R13.xml | 8264 | 2011-05-05 11:24:41 |
| R14.xml | 44803 | 2011-05-05 11:24:41 |
| R15.xml | 20440 | 2011-05-05 11:24:41 |
| R16.xml | 22743 | 2011-05-05 11:24:41 |
| R17.xml | 7701 | 2011-05-05 11:24:41 |
| R18.xml | 22683 | 2011-05-05 11:24:41 |
| R19.xml | 9288 | 2011-05-05 11:24:41 |
| R2.xml | 110653 | 2011-05-05 11:24:41 |
| R20.xml | 9259 | 2011-05-05 11:24:41 |
| R21.xml | 9902 | 2011-05-05 11:24:41 |
| R3.xml | 30519 | 2011-05-05 11:24:41 |
| R4.xml | 78751 | 2011-05-05 11:24:41 |
| R5.xml | 108355 | 2011-05-05 11:24:41 |
| R6.xml | 8457 | 2011-05-05 11:24:41 |
| R7.xml | 24719 | 2011-05-05 11:24:41 |
| R8.xml | 19307 | 2011-05-05 11:24:41 |
| R9.xml | 8018 | 2011-05-05 11:24:41 |