Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000042888-20-000053-index-headers.html | 2020-12-04 14:06:25 | |
| 0000042888-20-000053-index.html | 2020-12-04 14:06:25 | |
| 0000042888-20-000053.txt | 2020-12-04 14:06:25 | |
 0000042888-20-000053-xbrl.zip | 14580 | 2020-12-04 14:06:25 |
| exhibit991120420208-k.htm | 9065 | 2020-12-04 14:06:25 |
| FilingSummary.xml | 1810 | 2020-12-04 14:06:25 |
| Financial_Report.xlsx | 5447 | 2020-12-04 14:06:25 |
| ggg-20201204.htm | 35863 | 2020-12-04 14:06:25 |
| ggg-20201204.xsd | 2739 | 2020-12-04 14:06:25 |
| ggg-20201204_cal.xml | 796 | 2020-12-04 14:06:25 |
| ggg-20201204_def.xml | 1760 | 2020-12-04 14:06:25 |
| ggg-20201204_htm.xml | 11234 | 2020-12-04 14:06:25 |
| ggg-20201204_lab.xml | 24556 | 2020-12-04 14:06:25 |
| ggg-20201204_pre.xml | 12772 | 2020-12-04 14:06:25 |
 image0a011a.jpg | 3883 | 2020-12-04 14:06:25 |
 image1a011a.jpg | 35062 | 2020-12-04 14:06:25 |
| MetaLinks.json | 17971 | 2020-12-04 14:06:25 |
| R1.htm | 38644 | 2020-12-04 14:06:25 |
| report.css | 2767 | 2020-12-04 14:06:25 |
| Show.js | 1085 | 2020-12-04 14:06:25 |