Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000041719-21-000003-index-headers.html | 2021-11-02 11:04:34 | |
| 0000041719-21-000003-index.html | 2021-11-02 11:04:34 | |
| 0000041719-21-000003.txt | 2021-11-02 11:04:34 | |
 0000041719-21-000003-xbrl.zip | 32530 | 2021-11-02 11:04:34 |
| FilingSummary.xml | 1649 | 2021-11-02 11:04:34 |
| Financial_Report.xlsx | 5657 | 2021-11-02 11:04:34 |
 g1tmyspu4g32000001.jpg | 23769 | 2021-11-02 11:04:34 |
| glt-20211102.htm | 36505 | 2021-11-02 11:04:34 |
| glt-20211102.xsd | 1918 | 2021-11-02 11:04:34 |
| glt-20211102_htm.xml | 12248 | 2021-11-02 11:04:34 |
| glt-20211102_lab.xml | 24849 | 2021-11-02 11:04:34 |
| glt-20211102_pre.xml | 13061 | 2021-11-02 11:04:34 |
| MetaLinks.json | 17156 | 2021-11-02 11:04:34 |
| q3earningsreleaseex-991.htm | 371156 | 2021-11-02 11:04:34 |
| R1.htm | 40089 | 2021-11-02 11:04:34 |
| report.css | 2767 | 2021-11-02 11:04:34 |
| Show.js | 1085 | 2021-11-02 11:04:34 |