Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-466760-index-headers.html | 2012-11-13 13:29:07 | |
| 0001193125-12-466760-index.html | 2012-11-13 13:29:07 | |
| 0001193125-12-466760.txt | 2012-11-13 13:29:07 | |
 0001193125-12-466760-xbrl.zip | 68635 | 2012-11-13 13:29:07 |
| d412458d10q.htm | 247777 | 2012-11-13 13:29:07 |
| d412458dex241.htm | 4131 | 2012-11-13 13:29:07 |
| d412458dex311.htm | 11379 | 2012-11-13 13:29:07 |
| d412458dex312.htm | 11404 | 2012-11-13 13:29:07 |
| d412458dex321.htm | 4947 | 2012-11-13 13:29:07 |
| d412458dex322.htm | 4891 | 2012-11-13 13:29:07 |
| FilingSummary.xml | 13999 | 2012-11-13 13:29:07 |
| Financial_Report.xls | 204248 | 2012-11-13 13:29:07 |
| R1.htm | 28101 | 2012-11-13 13:29:07 |
| R10.htm | 16091 | 2012-11-13 13:29:07 |
| R11.htm | 9628 | 2012-11-13 13:29:07 |
| R12.htm | 12868 | 2012-11-13 13:29:07 |
| R13.htm | 3922 | 2012-11-13 13:29:07 |
| R14.htm | 17543 | 2012-11-13 13:29:07 |
| R15.htm | 31629 | 2012-11-13 13:29:07 |
| R16.htm | 5697 | 2012-11-13 13:29:07 |
| R17.htm | 28540 | 2012-11-13 13:29:07 |
| R18.htm | 72518 | 2012-11-13 13:29:07 |
| R19.htm | 91727 | 2012-11-13 13:29:07 |
| R2.htm | 109260 | 2012-11-13 13:29:07 |
| R20.htm | 46916 | 2012-11-13 13:29:07 |
| R21.htm | 8262 | 2012-11-13 13:29:07 |
| R22.htm | 8512 | 2012-11-13 13:29:07 |
| R23.htm | 17091 | 2012-11-13 13:29:07 |
| R24.htm | 39368 | 2012-11-13 13:29:07 |
| R3.htm | 12241 | 2012-11-13 13:29:07 |
| R4.htm | 70450 | 2012-11-13 13:29:07 |
| R5.htm | 5759 | 2012-11-13 13:29:07 |
| R6.htm | 26516 | 2012-11-13 13:29:07 |
| R7.htm | 98712 | 2012-11-13 13:29:07 |
| R8.htm | 7990 | 2012-11-13 13:29:07 |
| R9.htm | 10653 | 2012-11-13 13:29:07 |
| report.css | 2721 | 2012-11-13 13:29:07 |
| Show.js | 6423 | 2012-11-13 13:29:07 |
| westas-20120930.xml | 214694 | 2012-11-13 13:29:07 |
| westas-20120930.xsd | 45280 | 2012-11-13 13:29:07 |
| westas-20120930_cal.xml | 39273 | 2012-11-13 13:29:07 |
| westas-20120930_def.xml | 145509 | 2012-11-13 13:29:07 |
| westas-20120930_lab.xml | 243991 | 2012-11-13 13:29:07 |
| westas-20120930_pre.xml | 171964 | 2012-11-13 13:29:07 |