Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001140361-21-014196-index-headers.html | 2021-04-26 08:12:00 | |
| 0001140361-21-014196-index.html | 2021-04-26 08:12:00 | |
| 0001140361-21-014196.txt | 2021-04-26 08:12:00 | |
 0001140361-21-014196-xbrl.zip | 18395 | 2021-04-26 08:12:00 |
| FilingSummary.xml | 1705 | 2021-04-26 08:12:00 |
| Financial_Report.xlsx | 5678 | 2021-04-26 08:12:00 |
| gra-20210426.xsd | 3911 | 2021-04-26 08:12:00 |
| gra-20210426_lab.xml | 22544 | 2021-04-26 08:12:00 |
| gra-20210426_pre.xml | 16035 | 2021-04-26 08:12:00 |
| MetaLinks.json | 20068 | 2021-04-26 08:12:00 |
| nc10023607x1_8k.htm | 35067 | 2021-04-26 08:12:00 |
| nc10023607x1_8k_htm.xml | 4051 | 2021-04-26 08:12:00 |
| nc10023607x1_ex99-1.htm | 20956 | 2021-04-26 08:12:00 |
| R1.htm | 38578 | 2021-04-26 08:12:00 |
| report.css | 2767 | 2021-04-26 08:12:00 |
| Show.js | 1084 | 2021-04-26 08:12:00 |