Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000042888-20-000041-index-headers.html | 2020-07-29 17:06:59 | |
| 0000042888-20-000041-index.html | 2020-07-29 17:06:59 | |
| 0000042888-20-000041.txt | 2020-07-29 17:06:59 | |
 0000042888-20-000041-xbrl.zip | 15697 | 2020-07-29 17:06:59 |
| exhibit991072920208-k.htm | 13465 | 2020-07-29 17:06:59 |
| FilingSummary.xml | 1810 | 2020-07-29 17:06:59 |
| Financial_Report.xlsx | 5444 | 2020-07-29 17:06:59 |
| ggg-20200729.htm | 46681 | 2020-07-29 17:06:59 |
| ggg-20200729.xsd | 2739 | 2020-07-29 17:06:59 |
| ggg-20200729_cal.xml | 796 | 2020-07-29 17:06:59 |
| ggg-20200729_def.xml | 1760 | 2020-07-29 17:06:59 |
| ggg-20200729_htm.xml | 11514 | 2020-07-29 17:06:59 |
| ggg-20200729_lab.xml | 24556 | 2020-07-29 17:06:59 |
| ggg-20200729_pre.xml | 12772 | 2020-07-29 17:06:59 |
 image0a0111.jpg | 3883 | 2020-07-29 17:06:59 |
 image1a0111.jpg | 35062 | 2020-07-29 17:06:59 |
| MetaLinks.json | 17971 | 2020-07-29 17:06:59 |
| R1.htm | 38640 | 2020-07-29 17:06:59 |
| report.css | 2767 | 2020-07-29 17:06:59 |
| Show.js | 1085 | 2020-07-29 17:06:59 |