Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000898430-25-000048-index-headers.html | 2025-01-03 13:23:41 | |
| 0000898430-25-000048-index.html | 2025-01-03 13:23:41 | |
| 0000898430-25-000048.txt | 2025-01-03 13:23:41 | |
 0000898430-25-000048-xbrl.zip | 695241 | 2025-01-03 13:23:41 |
| 302_Certification.htm | 33330 | 2025-01-03 13:23:41 |
| 8dd25bb08fd1ce2.htm | 2473292 | 2025-01-03 13:23:41 |
| 8dd25bb08fd1ce2_htm.xml | 326752 | 2025-01-03 13:23:41 |
| 906_Certification.htm | 9785 | 2025-01-03 13:23:41 |
 chartimages_3423253.jpg | 30584 | 2025-01-03 13:23:41 |
 chartimages_3423255.jpg | 36086 | 2025-01-03 13:23:41 |
 chartimages_3423282.jpg | 30584 | 2025-01-03 13:23:41 |
 chartimages_3423289.jpg | 36086 | 2025-01-03 13:23:41 |
 chartimages_3423290.jpg | 30584 | 2025-01-03 13:23:41 |
 chartimages_3423297.jpg | 36086 | 2025-01-03 13:23:41 |
 chartimages_3423310.jpg | 30584 | 2025-01-03 13:23:41 |
 chartimages_3423317.jpg | 36086 | 2025-01-03 13:23:41 |
 chartimages_3423330.jpg | 30584 | 2025-01-03 13:23:41 |
 chartimages_3423337.jpg | 36086 | 2025-01-03 13:23:41 |
 chartimages_3423358.jpg | 30584 | 2025-01-03 13:23:41 |
 chartimages_3423365.jpg | 36086 | 2025-01-03 13:23:41 |
| cik0001097519-20241031.xsd | 10522 | 2025-01-03 13:23:41 |
| cik0001097519-20241031_def.xml | 14871 | 2025-01-03 13:23:41 |
| cik0001097519-20241031_lab.xml | 25873 | 2025-01-03 13:23:41 |
| cik0001097519-20241031_pre.xml | 17467 | 2025-01-03 13:23:41 |
| FilingSummary.xml | 3609 | 2025-01-03 13:23:41 |
| Financial_Report.xlsx | 14981 | 2025-01-03 13:23:41 |
 images_1849.jpg | 24911 | 2025-01-03 13:23:41 |
 images_1855.jpg | 109128 | 2025-01-03 13:23:41 |
 img2564d9d12.jpg | 38453 | 2025-01-03 13:23:41 |
 img895051ac1.jpg | 250062 | 2025-01-03 13:23:41 |
| MetaLinks.json | 90913 | 2025-01-03 13:23:41 |
| R1.htm | 12732 | 2025-01-03 13:23:41 |
| R2.htm | 255310 | 2025-01-03 13:23:41 |
| R3.htm | 139154 | 2025-01-03 13:23:41 |
| report.css | 2767 | 2025-01-03 13:23:41 |
| Show.js | 1085 | 2025-01-03 13:23:41 |