Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-047202-index-headers.html | 2020-02-25 07:06:39 | |
| 0001193125-20-047202-index.html | 2020-02-25 07:06:39 | |
| 0001193125-20-047202.txt | 2020-02-25 07:06:39 | |
 0001193125-20-047202-xbrl.zip | 9305 | 2020-02-25 07:06:39 |
| d891305d8k.htm | 28495 | 2020-02-25 07:06:39 |
| d891305d8k_htm.xml | 3249 | 2020-02-25 07:06:39 |
| extr-20200225.xsd | 3090 | 2020-02-25 07:06:39 |
| extr-20200225_lab.xml | 17373 | 2020-02-25 07:06:39 |
| extr-20200225_pre.xml | 10966 | 2020-02-25 07:06:39 |
| FilingSummary.xml | 1704 | 2020-02-25 07:06:39 |
| Financial_Report.xlsx | 5770 | 2020-02-25 07:06:39 |
| MetaLinks.json | 18382 | 2020-02-25 07:06:39 |
| R1.htm | 38592 | 2020-02-25 07:06:39 |
| report.css | 2767 | 2020-02-25 07:06:39 |
| Show.js | 1085 | 2020-02-25 07:06:39 |