Document Format Files
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 3 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | rock-20211119.xsd | EX-101.SCH | 2188 |
| 4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | rock-20211119_lab.xml | EX-101.LAB | 25481 |
| 5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | rock-20211119_pre.xml | EX-101.PRE | 13214 |
| 91 | EXTRACTED XBRL INSTANCE DOCUMENT | rock-20211119_htm.xml | XML | 11442 |
EIN.: 161445150 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K/A | Act: 34 | File No.: 000-22462 | Film No.: 211428209
SIC: 3310 Steel Works, Blast Furnaces & Rolling & Finishing Mills