Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-062452-index-headers.html | 2021-03-01 08:59:57 | |
| 0001193125-21-062452-index.html | 2021-03-01 08:59:57 | |
| 0001193125-21-062452.txt | 2021-03-01 08:59:57 | |
 0001193125-21-062452-xbrl.zip | 13917 | 2021-03-01 08:59:57 |
| d136678d8k.htm | 41879 | 2021-03-01 08:59:57 |
| d136678d8k_htm.xml | 4545 | 2021-03-01 08:59:57 |
| d136678dex991.htm | 6873 | 2021-03-01 08:59:57 |
| FilingSummary.xml | 1711 | 2021-03-01 08:59:57 |
| Financial_Report.xlsx | 5618 | 2021-03-01 08:59:57 |
| gpk-20210301.xsd | 5201 | 2021-03-01 08:59:57 |
| gpk-20210301_cal.xml | 676 | 2021-03-01 08:59:57 |
| gpk-20210301_def.xml | 12481 | 2021-03-01 08:59:57 |
| gpk-20210301_lab.xml | 21715 | 2021-03-01 08:59:57 |
| gpk-20210301_pre.xml | 13087 | 2021-03-01 08:59:57 |
| MetaLinks.json | 22124 | 2021-03-01 08:59:57 |
| R1.htm | 43405 | 2021-03-01 08:59:57 |
| report.css | 2767 | 2021-03-01 08:59:57 |
| Show.js | 1085 | 2021-03-01 08:59:57 |