Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001140361-21-032950-index-headers.html | 2021-09-29 17:04:04 | |
| 0001140361-21-032950-index.html | 2021-09-29 17:04:04 | |
| 0001140361-21-032950.txt | 2021-09-29 17:04:04 | |
 0001140361-21-032950-xbrl.zip | 9189 | 2021-09-29 17:04:04 |
| brhc10029434_8k.htm | 25785 | 2021-09-29 17:04:04 |
| brhc10029434_8k_htm.xml | 4057 | 2021-09-29 17:04:04 |
| FilingSummary.xml | 1664 | 2021-09-29 17:04:04 |
| Financial_Report.xlsx | 5680 | 2021-09-29 17:04:04 |
| gra-20210929.xsd | 3911 | 2021-09-29 17:04:04 |
| gra-20210929_lab.xml | 22544 | 2021-09-29 17:04:04 |
| gra-20210929_pre.xml | 16035 | 2021-09-29 17:04:04 |
| MetaLinks.json | 19928 | 2021-09-29 17:04:04 |
| R1.htm | 38584 | 2021-09-29 17:04:04 |
| report.css | 2766 | 2021-09-29 17:04:04 |
| Show.js | 1084 | 2021-09-29 17:04:04 |