Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-288010-index-headers.html | 2021-09-30 16:20:06 | |
| 0001193125-21-288010-index.html | 2021-09-30 16:20:06 | |
| 0001193125-21-288010.txt | 2021-09-30 16:20:06 | |
 0001193125-21-288010-xbrl.zip | 51044 | 2021-09-30 16:20:06 |
| d400322d8k.htm | 30142 | 2021-09-30 16:20:06 |
| d400322d8k_htm.xml | 3372 | 2021-09-30 16:20:06 |
| d400322dex11.htm | 207770 | 2021-09-30 16:20:06 |
| d400322dex51.htm | 8854 | 2021-09-30 16:20:06 |
| FilingSummary.xml | 1757 | 2021-09-30 16:20:06 |
| Financial_Report.xlsx | 5717 | 2021-09-30 16:20:06 |
 g400322sp2.jpg | 2774 | 2021-09-30 16:20:06 |
| meg-20210928.xsd | 2889 | 2021-09-30 16:20:06 |
| meg-20210928_lab.xml | 18123 | 2021-09-30 16:20:06 |
| meg-20210928_pre.xml | 11404 | 2021-09-30 16:20:06 |
| MetaLinks.json | 18788 | 2021-09-30 16:20:06 |
| R1.htm | 40418 | 2021-09-30 16:20:06 |
| report.css | 2767 | 2021-09-30 16:20:06 |
| Show.js | 1085 | 2021-09-30 16:20:06 |