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 0001060349-20-000004-index-headers.html | 2020-03-06 14:34:41 | |
| 0001060349-20-000004-index.html | 2020-03-06 14:34:41 | |
| 0001060349-20-000004.txt | 2020-03-06 14:34:41 | |
 0001060349-20-000004-xbrl.zip | 297691 | 2020-03-06 14:34:41 |
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| form10k2019ex311.htm | 14509 | 2020-03-06 14:34:41 |
| form10k2019ex312.htm | 14650 | 2020-03-06 14:34:41 |
| form10k2019ex321.htm | 7981 | 2020-03-06 14:34:41 |
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| form10k2019ex49.htm | 11676 | 2020-03-06 14:34:41 |
| gbl-20191231.xml | 1271858 | 2020-03-06 14:34:41 |
| gbl-20191231.xsd | 89824 | 2020-03-06 14:34:41 |
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| R31.htm | 63159 | 2020-03-06 14:34:41 |
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| R9.htm | 17873 | 2020-03-06 14:34:41 |
| report.css | 2767 | 2020-03-06 14:34:41 |
| Show.js | 1085 | 2020-03-06 14:34:41 |