Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001045309-20-000007-index-headers.html | 2020-02-04 06:09:20 | |
| 0001045309-20-000007-index.html | 2020-02-04 06:09:20 | |
| 0001045309-20-000007.txt | 2020-02-04 06:09:20 | |
 0001045309-20-000007-xbrl.zip | 51136 | 2020-02-04 06:09:20 |
| a4q198-ker.htm | 58060 | 2020-02-04 06:09:20 |
| a4q198-ker_htm.xml | 4259 | 2020-02-04 06:09:20 |
| a4q19earningsrelease.htm | 852952 | 2020-02-04 06:09:20 |
| FilingSummary.xml | 1758 | 2020-02-04 06:09:20 |
| Financial_Report.xlsx | 5815 | 2020-02-04 06:09:20 |
| gra-20200204.xsd | 4852 | 2020-02-04 06:09:20 |
| gra-20200204_cal.xml | 646 | 2020-02-04 06:09:20 |
| gra-20200204_def.xml | 1496 | 2020-02-04 06:09:20 |
| gra-20200204_lab.xml | 26512 | 2020-02-04 06:09:20 |
| gra-20200204_pre.xml | 13810 | 2020-02-04 06:09:20 |
 image0a38.jpg | 63852 | 2020-02-04 06:09:20 |
| MetaLinks.json | 18592 | 2020-02-04 06:09:20 |
| R1.htm | 38684 | 2020-02-04 06:09:20 |
| report.css | 2767 | 2020-02-04 06:09:20 |
| Show.js | 1085 | 2020-02-04 06:09:20 |