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| 0001060349-13-000007-index.html | 2013-03-08 16:06:32 | |
| 0001060349-13-000007.txt | 2013-03-08 16:06:32 | |
 0001060349-13-000007-xbrl.zip | 361322 | 2013-03-08 16:06:32 |
| FilingSummary.xml | 30170 | 2013-03-08 16:06:32 |
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| gbl-20121231.xml | 3697709 | 2013-03-08 16:06:32 |
| gbl-20121231.xsd | 104068 | 2013-03-08 16:06:32 |
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| R8.htm | 12498 | 2013-03-08 16:06:32 |
| R9.htm | 194458 | 2013-03-08 16:06:32 |
| report.css | 2721 | 2013-03-08 16:06:32 |
| Show.js | 6423 | 2013-03-08 16:06:32 |
 totalreturn2012.jpg | 33222 | 2013-03-08 16:06:32 |