Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912562-15-000052-index-headers.html | 2015-08-07 15:05:07 | |
| 0000912562-15-000052-index.html | 2015-08-07 15:05:07 | |
| 0000912562-15-000052.txt | 2015-08-07 15:05:07 | |
 0000912562-15-000052-xbrl.zip | 265534 | 2015-08-07 15:05:07 |
| FilingSummary.xml | 47730 | 2015-08-07 15:05:07 |
| Financial_Report.xlsx | 95542 | 2015-08-07 15:05:07 |
 gibindcolorlogonotag.gif | 13063 | 2015-08-07 15:05:07 |
| q22015exhibit311.htm | 13171 | 2015-08-07 15:05:07 |
| q22015exhibit312.htm | 13243 | 2015-08-07 15:05:07 |
| q22015exhibit321.htm | 4848 | 2015-08-07 15:05:07 |
| q22015exhibit322.htm | 4976 | 2015-08-07 15:05:07 |
| R1.htm | 22091 | 2015-08-07 15:05:07 |
| R10.htm | 14871 | 2015-08-07 15:05:07 |
| R11.htm | 14800 | 2015-08-07 15:05:07 |
| R12.htm | 91354 | 2015-08-07 15:05:07 |
| R13.htm | 82583 | 2015-08-07 15:05:07 |
| R14.htm | 24737 | 2015-08-07 15:05:07 |
| R15.htm | 8296 | 2015-08-07 15:05:07 |
| R16.htm | 45671 | 2015-08-07 15:05:07 |
| R17.htm | 46490 | 2015-08-07 15:05:07 |
| R18.htm | 58370 | 2015-08-07 15:05:07 |
| R19.htm | 83772 | 2015-08-07 15:05:07 |
| R2.htm | 78036 | 2015-08-07 15:05:07 |
| R20.htm | 8997 | 2015-08-07 15:05:07 |
| R21.htm | 51569 | 2015-08-07 15:05:07 |
| R22.htm | 20843 | 2015-08-07 15:05:07 |
| R23.htm | 43699 | 2015-08-07 15:05:07 |
| R24.htm | 61777 | 2015-08-07 15:05:07 |
| R25.htm | 742905 | 2015-08-07 15:05:07 |
| R26.htm | 13071 | 2015-08-07 15:05:07 |
| R27.htm | 13848 | 2015-08-07 15:05:07 |
| R28.htm | 86740 | 2015-08-07 15:05:07 |
| R29.htm | 83665 | 2015-08-07 15:05:07 |
| R3.htm | 24378 | 2015-08-07 15:05:07 |
| R30.htm | 20374 | 2015-08-07 15:05:07 |
| R31.htm | 41380 | 2015-08-07 15:05:07 |
| R32.htm | 31426 | 2015-08-07 15:05:07 |
| R33.htm | 49845 | 2015-08-07 15:05:07 |
| R34.htm | 73844 | 2015-08-07 15:05:07 |
| R35.htm | 51671 | 2015-08-07 15:05:07 |
| R36.htm | 16831 | 2015-08-07 15:05:07 |
| R37.htm | 40419 | 2015-08-07 15:05:07 |
| R38.htm | 55101 | 2015-08-07 15:05:07 |
| R39.htm | 544543 | 2015-08-07 15:05:07 |
| R4.htm | 75481 | 2015-08-07 15:05:07 |
| R40.htm | 34280 | 2015-08-07 15:05:07 |
| R41.htm | 12259 | 2015-08-07 15:05:07 |
| R42.htm | 39297 | 2015-08-07 15:05:07 |
| R43.htm | 29476 | 2015-08-07 15:05:07 |
| R44.htm | 32730 | 2015-08-07 15:05:07 |
| R45.htm | 16508 | 2015-08-07 15:05:07 |
| R46.htm | 12905 | 2015-08-07 15:05:07 |
| R47.htm | 20765 | 2015-08-07 15:05:07 |
| R48.htm | 42065 | 2015-08-07 15:05:07 |
| R49.htm | 20127 | 2015-08-07 15:05:07 |
| R5.htm | 21971 | 2015-08-07 15:05:07 |
| R50.htm | 20723 | 2015-08-07 15:05:07 |
| R51.htm | 46552 | 2015-08-07 15:05:07 |
| R52.htm | 4621 | 2015-08-07 15:05:07 |
| R53.htm | 47070 | 2015-08-07 15:05:07 |
| R54.htm | 70689 | 2015-08-07 15:05:07 |
| R55.htm | 14331 | 2015-08-07 15:05:07 |
| R56.htm | 8086 | 2015-08-07 15:05:07 |
| R57.htm | 22894 | 2015-08-07 15:05:07 |
| R58.htm | 11868 | 2015-08-07 15:05:07 |
| R59.htm | 17723 | 2015-08-07 15:05:07 |
| R6.htm | 84035 | 2015-08-07 15:05:07 |
| R60.htm | 13544 | 2015-08-07 15:05:07 |
| R61.htm | 48629 | 2015-08-07 15:05:07 |
| R62.htm | 20560 | 2015-08-07 15:05:07 |
| R63.htm | 11789 | 2015-08-07 15:05:07 |
| R64.htm | 11787 | 2015-08-07 15:05:07 |
| R65.htm | 11022 | 2015-08-07 15:05:07 |
| R66.htm | 9047 | 2015-08-07 15:05:07 |
| R67.htm | 5637 | 2015-08-07 15:05:07 |
| R68.htm | 27816 | 2015-08-07 15:05:07 |
| R69.htm | 26660 | 2015-08-07 15:05:07 |
| R7.htm | 55611 | 2015-08-07 15:05:07 |
| R70.htm | 8674 | 2015-08-07 15:05:07 |
| R71.htm | 78700 | 2015-08-07 15:05:07 |
| R72.htm | 46418 | 2015-08-07 15:05:07 |
| R73.htm | 102878 | 2015-08-07 15:05:07 |
| R74.htm | 74036 | 2015-08-07 15:05:07 |
| R8.htm | 9552 | 2015-08-07 15:05:07 |
| R9.htm | 17889 | 2015-08-07 15:05:07 |
| R9999.htm | 3317 | 2015-08-07 15:05:07 |
| report.css | 2767 | 2015-08-07 15:05:07 |
| rock-20150630.xml | 3211169 | 2015-08-07 15:05:07 |
| rock-20150630.xsd | 54158 | 2015-08-07 15:05:07 |
| rock-20150630x10q.htm | 1852880 | 2015-08-07 15:05:07 |
| rock-20150630_cal.xml | 83743 | 2015-08-07 15:05:07 |
| rock-20150630_def.xml | 306032 | 2015-08-07 15:05:07 |
| rock-20150630_lab.xml | 641436 | 2015-08-07 15:05:07 |
| rock-20150630_pre.xml | 465648 | 2015-08-07 15:05:07 |
| Show.js | 1410 | 2015-08-07 15:05:07 |