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| 0001031203-18-000013-index.html | 2018-02-16 17:58:37 | |
| 0001031203-18-000013.txt | 2018-02-16 17:58:37 | |
 0001031203-18-000013-xbrl.zip | 430536 | 2018-02-16 17:58:37 |
| a2017form10-k.htm | 6292826 | 2018-02-16 17:58:37 |
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| exhibit322-12312017.htm | 6211 | 2018-02-16 17:58:37 |
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| Financial_Report.xlsx | 158036 | 2018-02-16 17:58:37 |
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| gpi-20171231.xml | 4384573 | 2018-02-16 17:58:37 |
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| gpi-20171231_cal.xml | 143983 | 2018-02-16 17:58:37 |
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| report.css | 2768 | 2018-02-16 17:58:37 |
| Show.js | 1411 | 2018-02-16 17:58:37 |