Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001045309-20-000056-index-headers.html | 2020-04-03 08:08:59 | |
| 0001045309-20-000056-index.html | 2020-04-03 08:08:59 | |
| 0001045309-20-000056.txt | 2020-04-03 08:08:59 | |
 0001045309-20-000056-xbrl.zip | 20945 | 2020-04-03 08:08:59 |
| a8-k1q20prelimresults.htm | 57803 | 2020-04-03 08:08:59 |
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| a8-kexhibit9911q20prel.htm | 23971 | 2020-04-03 08:08:59 |
| FilingSummary.xml | 1812 | 2020-04-03 08:08:59 |
| Financial_Report.xlsx | 5788 | 2020-04-03 08:08:59 |
| gra-20200403.xsd | 4748 | 2020-04-03 08:08:59 |
| gra-20200403_cal.xml | 670 | 2020-04-03 08:08:59 |
| gra-20200403_def.xml | 1520 | 2020-04-03 08:08:59 |
| gra-20200403_lab.xml | 28784 | 2020-04-03 08:08:59 |
| gra-20200403_pre.xml | 15046 | 2020-04-03 08:08:59 |
 image0a56.jpg | 63852 | 2020-04-03 08:08:59 |
| MetaLinks.json | 20225 | 2020-04-03 08:08:59 |
| R1.htm | 38726 | 2020-04-03 08:08:59 |
| report.css | 2767 | 2020-04-03 08:08:59 |
| Show.js | 1085 | 2020-04-03 08:08:59 |