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|---|---|---|
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| 0001193125-12-096416-index.html | 2012-03-05 14:27:14 | |
| 0001193125-12-096416.txt | 2012-03-05 14:27:14 | |
 0001193125-12-096416-xbrl.zip | 62509 | 2012-03-05 14:27:14 |
| d307729d10k.htm | 114251 | 2012-03-05 14:27:14 |
| d307729dex13.htm | 657574 | 2012-03-05 14:27:14 |
| d307729dex14.htm | 13833 | 2012-03-05 14:27:14 |
| d307729dex21.htm | 1809 | 2012-03-05 14:27:14 |
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| d307729dex24.htm | 14689 | 2012-03-05 14:27:14 |
| d307729dex31a.htm | 11283 | 2012-03-05 14:27:14 |
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| d307729dex32.htm | 6720 | 2012-03-05 14:27:14 |
| FilingSummary.xml | 8921 | 2012-03-05 14:27:14 |
| Financial_Report.xls | 671393 | 2012-03-05 14:27:14 |
 g307729p41.jpg | 17153 | 2012-03-05 14:27:14 |
| grc-20111231.xml | 830366 | 2012-03-05 14:27:14 |
| grc-20111231.xsd | 16642 | 2012-03-05 14:27:14 |
| grc-20111231_cal.xml | 30103 | 2012-03-05 14:27:14 |
| grc-20111231_def.xml | 86026 | 2012-03-05 14:27:14 |
| grc-20111231_lab.xml | 123025 | 2012-03-05 14:27:14 |
| grc-20111231_pre.xml | 99349 | 2012-03-05 14:27:14 |
| R1.htm | 37261 | 2012-03-05 14:27:14 |
| R10.htm | 6233 | 2012-03-05 14:27:14 |
| R11.htm | 22029 | 2012-03-05 14:27:14 |
| R12.htm | 14425 | 2012-03-05 14:27:14 |
| R13.htm | 156512 | 2012-03-05 14:27:14 |
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| R17.htm | 19190 | 2012-03-05 14:27:14 |
| R2.htm | 45719 | 2012-03-05 14:27:14 |
| R3.htm | 148024 | 2012-03-05 14:27:14 |
| R4.htm | 14304 | 2012-03-05 14:27:14 |
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| R6.htm | 16999 | 2012-03-05 14:27:14 |
| R7.htm | 114366 | 2012-03-05 14:27:14 |
| R8.htm | 46199 | 2012-03-05 14:27:14 |
| R9.htm | 6645 | 2012-03-05 14:27:14 |
| report.css | 2721 | 2012-03-05 14:27:14 |
| Show.js | 6423 | 2012-03-05 14:27:14 |