Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-12-487516-index-headers.html | 2012-11-30 16:00:17 | |
| 0001193125-12-487516-index.html | 2012-11-30 16:00:17 | |
| 0001193125-12-487516.txt | 2012-11-30 16:00:17 | |
 0001193125-12-487516-xbrl.zip | 183762 | 2012-11-30 16:00:17 |
 BarChart1.jpg | 24358 | 2012-11-30 16:00:17 |
 BarChart10.jpg | 27321 | 2012-11-30 16:00:17 |
 BarChart11.jpg | 27297 | 2012-11-30 16:00:17 |
 BarChart12.jpg | 25522 | 2012-11-30 16:00:17 |
 BarChart13.jpg | 27827 | 2012-11-30 16:00:17 |
 BarChart14.jpg | 28038 | 2012-11-30 16:00:17 |
 BarChart15.jpg | 27918 | 2012-11-30 16:00:17 |
 BarChart16.jpg | 26292 | 2012-11-30 16:00:17 |
 BarChart17.jpg | 28182 | 2012-11-30 16:00:17 |
 BarChart18.jpg | 26700 | 2012-11-30 16:00:17 |
 BarChart19.jpg | 25422 | 2012-11-30 16:00:17 |
 BarChart2.jpg | 26691 | 2012-11-30 16:00:17 |
 BarChart20.jpg | 24358 | 2012-11-30 16:00:17 |
 BarChart21.jpg | 26691 | 2012-11-30 16:00:17 |
 BarChart22.jpg | 28081 | 2012-11-30 16:00:17 |
 BarChart23.jpg | 26655 | 2012-11-30 16:00:17 |
 BarChart24.jpg | 27024 | 2012-11-30 16:00:17 |
 BarChart25.jpg | 28281 | 2012-11-30 16:00:17 |
 BarChart26.jpg | 26498 | 2012-11-30 16:00:17 |
 BarChart27.jpg | 25217 | 2012-11-30 16:00:17 |
 BarChart28.jpg | 25385 | 2012-11-30 16:00:17 |
 BarChart29.jpg | 27321 | 2012-11-30 16:00:17 |
 BarChart3.jpg | 28081 | 2012-11-30 16:00:17 |
 BarChart30.jpg | 27297 | 2012-11-30 16:00:17 |
 BarChart31.jpg | 25522 | 2012-11-30 16:00:17 |
 BarChart32.jpg | 27827 | 2012-11-30 16:00:17 |
 BarChart33.jpg | 28038 | 2012-11-30 16:00:17 |
 BarChart34.jpg | 27918 | 2012-11-30 16:00:17 |
 BarChart35.jpg | 26292 | 2012-11-30 16:00:17 |
 BarChart36.jpg | 28182 | 2012-11-30 16:00:17 |
 BarChart37.jpg | 26700 | 2012-11-30 16:00:17 |
 BarChart38.jpg | 25422 | 2012-11-30 16:00:17 |
 BarChart4.jpg | 26655 | 2012-11-30 16:00:17 |
 BarChart5.jpg | 27024 | 2012-11-30 16:00:17 |
 BarChart6.jpg | 28281 | 2012-11-30 16:00:17 |
 BarChart7.jpg | 26498 | 2012-11-30 16:00:17 |
 BarChart8.jpg | 25217 | 2012-11-30 16:00:17 |
 BarChart9.jpg | 25385 | 2012-11-30 16:00:17 |
| cik0001097519-2012110801.xml | 909113 | 2012-11-30 16:00:17 |
| cik0001097519-2012110801.xsd | 61843 | 2012-11-30 16:00:17 |
| cik0001097519-2012110801_cal.xml | 78735 | 2012-11-30 16:00:17 |
| cik0001097519-2012110801_def.xml | 53207 | 2012-11-30 16:00:17 |
| cik0001097519-2012110801_lab.xml | 229003 | 2012-11-30 16:00:17 |
| cik0001097519-2012110801_pre.xml | 986211 | 2012-11-30 16:00:17 |
| d423443d485bpos.htm | 35329 | 2012-11-30 16:00:17 |
| FilingSummary.xml | 11819 | 2012-11-30 16:00:17 |
| Financial_Report.xls | 4257563 | 2012-11-30 16:00:17 |
| R1.htm | 826208 | 2012-11-30 16:00:17 |
| R10.htm | 123396 | 2012-11-30 16:00:17 |
| R108.htm | 1621097 | 2012-11-30 16:00:17 |
| R11.htm | 126178 | 2012-11-30 16:00:17 |
| R12.htm | 121525 | 2012-11-30 16:00:17 |
| R13.htm | 113415 | 2012-11-30 16:00:17 |
| R14.htm | 133944 | 2012-11-30 16:00:17 |
| R15.htm | 130529 | 2012-11-30 16:00:17 |
| R16.htm | 120883 | 2012-11-30 16:00:17 |
| R17.htm | 114388 | 2012-11-30 16:00:17 |
| R18.htm | 122329 | 2012-11-30 16:00:17 |
| R19.htm | 53767 | 2012-11-30 16:00:17 |
| R2.htm | 124884 | 2012-11-30 16:00:17 |
| R3.htm | 124527 | 2012-11-30 16:00:17 |
| R37.htm | 121587 | 2012-11-30 16:00:17 |
| R4.htm | 125314 | 2012-11-30 16:00:17 |
| R5.htm | 117865 | 2012-11-30 16:00:17 |
| R6.htm | 110470 | 2012-11-30 16:00:17 |
| R7.htm | 272898 | 2012-11-30 16:00:17 |
| R72.htm | 96168 | 2012-11-30 16:00:17 |
| R8.htm | 125031 | 2012-11-30 16:00:17 |
| R9.htm | 121609 | 2012-11-30 16:00:17 |
| R90.htm | 148614 | 2012-11-30 16:00:17 |
| report.css | 2721 | 2012-11-30 16:00:17 |
| Show.js | 6423 | 2012-11-30 16:00:17 |