Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001045309-20-000059-index-headers.html | 2020-04-30 06:07:58 | |
| 0001045309-20-000059-index.html | 2020-04-30 06:07:58 | |
| 0001045309-20-000059.txt | 2020-04-30 06:07:58 | |
 0001045309-20-000059-xbrl.zip | 43672 | 2020-04-30 06:07:58 |
| a1q208-ker.htm | 58012 | 2020-04-30 06:07:58 |
| a1q208-ker_htm.xml | 4277 | 2020-04-30 06:07:58 |
| a1q20earningsrelease.htm | 511735 | 2020-04-30 06:07:58 |
| FilingSummary.xml | 1777 | 2020-04-30 06:07:58 |
| Financial_Report.xlsx | 5785 | 2020-04-30 06:07:58 |
| gra-20200430.xsd | 4748 | 2020-04-30 06:07:58 |
| gra-20200430_cal.xml | 670 | 2020-04-30 06:07:58 |
| gra-20200430_def.xml | 1520 | 2020-04-30 06:07:58 |
| gra-20200430_lab.xml | 28784 | 2020-04-30 06:07:58 |
| gra-20200430_pre.xml | 15046 | 2020-04-30 06:07:58 |
 image0a54.jpg | 63852 | 2020-04-30 06:07:58 |
| MetaLinks.json | 20179 | 2020-04-30 06:07:58 |
| R1.htm | 38725 | 2020-04-30 06:07:58 |
| report.css | 2767 | 2020-04-30 06:07:58 |
| Show.js | 1085 | 2020-04-30 06:07:58 |