Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-13-048217-index-headers.html | 2013-02-11 14:09:39 | |
| 0001193125-13-048217-index.html | 2013-02-11 14:09:39 | |
| 0001193125-13-048217.txt | 2013-02-11 14:09:39 | |
 0001193125-13-048217-xbrl.zip | 15624 | 2013-02-11 14:09:39 |
| ck0000773757-20130130.xml | 4980 | 2013-02-11 14:09:39 |
| ck0000773757-20130130.xsd | 3309 | 2013-02-11 14:09:39 |
| ck0000773757-20130130_def.xml | 4742 | 2013-02-11 14:09:39 |
| ck0000773757-20130130_lab.xml | 148752 | 2013-02-11 14:09:39 |
| ck0000773757-20130130_pre.xml | 29901 | 2013-02-11 14:09:39 |
| d481040d497.htm | 669 | 2013-02-11 14:09:39 |
| FilingSummary.xml | 2369 | 2013-02-11 14:09:39 |
| Financial_Report.xls | 12214 | 2013-02-11 14:09:39 |
| R1.htm | 8099 | 2013-02-11 14:09:39 |
| R2.htm | 8098 | 2013-02-11 14:09:39 |
| R3.htm | 33153 | 2013-02-11 14:09:39 |
| report.css | 2720 | 2013-02-11 14:09:39 |
| Show.js | 6423 | 2013-02-11 14:09:39 |