Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001045309-20-000038-index-headers.html | 2020-02-28 16:36:03 | |
| 0001045309-20-000038-index.html | 2020-02-28 16:36:03 | |
| 0001045309-20-000038.txt | 2020-02-28 16:36:03 | |
 0001045309-20-000038-xbrl.zip | 13745 | 2020-02-28 16:36:03 |
| a8-kfeb2020502.htm | 52126 | 2020-02-28 16:36:03 |
| a8-kfeb2020502_htm.xml | 4349 | 2020-02-28 16:36:03 |
| FilingSummary.xml | 1752 | 2020-02-28 16:36:03 |
| Financial_Report.xlsx | 5786 | 2020-02-28 16:36:03 |
| gra-20200227.xsd | 4886 | 2020-02-28 16:36:03 |
| gra-20200227_cal.xml | 670 | 2020-02-28 16:36:03 |
| gra-20200227_def.xml | 1520 | 2020-02-28 16:36:03 |
| gra-20200227_lab.xml | 28784 | 2020-02-28 16:36:03 |
| gra-20200227_pre.xml | 15046 | 2020-02-28 16:36:03 |
| MetaLinks.json | 20266 | 2020-02-28 16:36:03 |
| R1.htm | 38730 | 2020-02-28 16:36:03 |
| report.css | 2767 | 2020-02-28 16:36:03 |
| Show.js | 1085 | 2020-02-28 16:36:03 |