Document Format Files
Data Files
Seq | Description | Document | Type | Size |
---|---|---|---|---|
3 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | rock-20211117.xsd | EX-101.SCH | 2188 |
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | rock-20211117_lab.xml | EX-101.LAB | 25481 |
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | rock-20211117_pre.xml | EX-101.PRE | 13214 |
91 | EXTRACTED XBRL INSTANCE DOCUMENT | rock-20211117_htm.xml | XML | 11440 |
EIN.: 161445150 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 000-22462 | Film No.: 211418419
SIC: 3310 Steel Works, Blast Furnaces & Rolling & Finishing Mills