Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000931148-17-000012-index-headers.html | 2017-04-27 13:27:09 | |
| 0000931148-17-000012-index.html | 2017-04-27 13:27:09 | |
| 0000931148-17-000012.txt | 2017-04-27 13:27:09 | |
 0000931148-17-000012-xbrl.zip | 189550 | 2017-04-27 13:27:09 |
| a2017-q110xq.htm | 1341760 | 2017-04-27 13:27:09 |
| a2017-q110xqex311.htm | 10510 | 2017-04-27 13:27:09 |
| a2017-q110xqex312.htm | 10505 | 2017-04-27 13:27:09 |
| a2017-q110xqex321.htm | 7498 | 2017-04-27 13:27:09 |
| a2017-q110xqex322.htm | 7321 | 2017-04-27 13:27:09 |
| FilingSummary.xml | 29873 | 2017-04-27 13:27:09 |
| Financial_Report.xlsx | 65530 | 2017-04-27 13:27:09 |
 graftechinternationala01.jpg | 84955 | 2017-04-27 13:27:09 |
| gti-20170331.xml | 2598818 | 2017-04-27 13:27:09 |
| gti-20170331.xsd | 32566 | 2017-04-27 13:27:09 |
| gti-20170331_cal.xml | 104995 | 2017-04-27 13:27:09 |
| gti-20170331_def.xml | 174134 | 2017-04-27 13:27:09 |
| gti-20170331_lab.xml | 460906 | 2017-04-27 13:27:09 |
| gti-20170331_pre.xml | 296891 | 2017-04-27 13:27:09 |
| R1.htm | 22395 | 2017-04-27 13:27:09 |
| R10.htm | 43933 | 2017-04-27 13:27:09 |
| R11.htm | 32327 | 2017-04-27 13:27:09 |
| R12.htm | 17434 | 2017-04-27 13:27:09 |
| R13.htm | 15937 | 2017-04-27 13:27:09 |
| R14.htm | 12790 | 2017-04-27 13:27:09 |
| R15.htm | 19328 | 2017-04-27 13:27:09 |
| R16.htm | 16924 | 2017-04-27 13:27:09 |
| R17.htm | 787536 | 2017-04-27 13:27:09 |
| R18.htm | 12271 | 2017-04-27 13:27:09 |
| R19.htm | 76310 | 2017-04-27 13:27:09 |
| R2.htm | 86578 | 2017-04-27 13:27:09 |
| R20.htm | 28772 | 2017-04-27 13:27:09 |
| R21.htm | 27487 | 2017-04-27 13:27:09 |
| R22.htm | 40471 | 2017-04-27 13:27:09 |
| R23.htm | 20157 | 2017-04-27 13:27:09 |
| R24.htm | 15564 | 2017-04-27 13:27:09 |
| R25.htm | 13992 | 2017-04-27 13:27:09 |
| R26.htm | 9294 | 2017-04-27 13:27:09 |
| R27.htm | 19198 | 2017-04-27 13:27:09 |
| R28.htm | 785811 | 2017-04-27 13:27:09 |
| R29.htm | 3909 | 2017-04-27 13:27:09 |
| R3.htm | 18052 | 2017-04-27 13:27:09 |
| R30.htm | 17632 | 2017-04-27 13:27:09 |
| R31.htm | 95618 | 2017-04-27 13:27:09 |
| R32.htm | 21926 | 2017-04-27 13:27:09 |
| R33.htm | 16957 | 2017-04-27 13:27:09 |
| R34.htm | 16204 | 2017-04-27 13:27:09 |
| R35.htm | 7107 | 2017-04-27 13:27:09 |
| R36.htm | 16954 | 2017-04-27 13:27:09 |
| R37.htm | 64873 | 2017-04-27 13:27:09 |
| R38.htm | 18992 | 2017-04-27 13:27:09 |
| R39.htm | 13383 | 2017-04-27 13:27:09 |
| R4.htm | 53537 | 2017-04-27 13:27:09 |
| R40.htm | 15518 | 2017-04-27 13:27:09 |
| R41.htm | 6845 | 2017-04-27 13:27:09 |
| R42.htm | 11764 | 2017-04-27 13:27:09 |
| R43.htm | 10265 | 2017-04-27 13:27:09 |
| R44.htm | 10833 | 2017-04-27 13:27:09 |
| R45.htm | 8728 | 2017-04-27 13:27:09 |
| R46.htm | 141863 | 2017-04-27 13:27:09 |
| R47.htm | 105508 | 2017-04-27 13:27:09 |
| R48.htm | 76549 | 2017-04-27 13:27:09 |
| R5.htm | 76045 | 2017-04-27 13:27:09 |
| R6.htm | 13014 | 2017-04-27 13:27:09 |
| R7.htm | 79828 | 2017-04-27 13:27:09 |
| R8.htm | 33079 | 2017-04-27 13:27:09 |
| R9.htm | 23658 | 2017-04-27 13:27:09 |
| report.css | 2767 | 2017-04-27 13:27:09 |
| Show.js | 1410 | 2017-04-27 13:27:09 |