Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000866273-18-000008-index-headers.html | 2018-02-08 16:53:46 | |
| 0000866273-18-000008-index.html | 2018-02-08 16:53:46 | |
| 0000866273-18-000008.txt | 2018-02-08 16:53:46 | |
 0000866273-18-000008-xbrl.zip | 164785 | 2018-02-08 16:53:46 |
| exhibit311-mtrxx2017x12x31.htm | 13041 | 2018-02-08 16:53:46 |
| exhibit312-mtrxx2017x12x31.htm | 13054 | 2018-02-08 16:53:46 |
| exhibit321-mtrxx2017x12x31.htm | 6989 | 2018-02-08 16:53:46 |
| exhibit322-mtrxx2017x12x31.htm | 7007 | 2018-02-08 16:53:46 |
| exhibit95-mtrxx2017x12x31x.htm | 35179 | 2018-02-08 16:53:46 |
| FilingSummary.xml | 25618 | 2018-02-08 16:53:46 |
| Financial_Report.xlsx | 53847 | 2018-02-08 16:53:46 |
| mtrx-20171231.xml | 953355 | 2018-02-08 16:53:46 |
| mtrx-20171231.xsd | 46189 | 2018-02-08 16:53:46 |
| mtrx-20171231_cal.xml | 79839 | 2018-02-08 16:53:46 |
| mtrx-20171231_def.xml | 189444 | 2018-02-08 16:53:46 |
| mtrx-20171231_lab.xml | 562516 | 2018-02-08 16:53:46 |
| mtrx-20171231_pre.xml | 329604 | 2018-02-08 16:53:46 |
| mtrx-2017x12x31x10q.htm | 1010237 | 2018-02-08 16:53:46 |
| R1.htm | 21981 | 2018-02-08 16:53:46 |
| R10.htm | 15774 | 2018-02-08 16:53:46 |
| R11.htm | 46269 | 2018-02-08 16:53:46 |
| R12.htm | 22809 | 2018-02-08 16:53:46 |
| R13.htm | 83541 | 2018-02-08 16:53:46 |
| R14.htm | 36661 | 2018-02-08 16:53:46 |
| R15.htm | 21880 | 2018-02-08 16:53:46 |
| R16.htm | 9545 | 2018-02-08 16:53:46 |
| R17.htm | 51238 | 2018-02-08 16:53:46 |
| R18.htm | 126811 | 2018-02-08 16:53:46 |
| R19.htm | 38815 | 2018-02-08 16:53:46 |
| R2.htm | 43689 | 2018-02-08 16:53:46 |
| R20.htm | 19621 | 2018-02-08 16:53:46 |
| R21.htm | 79582 | 2018-02-08 16:53:46 |
| R22.htm | 17778 | 2018-02-08 16:53:46 |
| R23.htm | 52151 | 2018-02-08 16:53:46 |
| R24.htm | 119258 | 2018-02-08 16:53:46 |
| R25.htm | 48555 | 2018-02-08 16:53:46 |
| R26.htm | 12829 | 2018-02-08 16:53:46 |
| R27.htm | 11938 | 2018-02-08 16:53:46 |
| R28.htm | 10271 | 2018-02-08 16:53:46 |
| R29.htm | 14817 | 2018-02-08 16:53:46 |
| R3.htm | 12918 | 2018-02-08 16:53:46 |
| R30.htm | 7650 | 2018-02-08 16:53:46 |
| R31.htm | 30213 | 2018-02-08 16:53:46 |
| R32.htm | 44887 | 2018-02-08 16:53:46 |
| R33.htm | 40113 | 2018-02-08 16:53:46 |
| R34.htm | 20314 | 2018-02-08 16:53:46 |
| R35.htm | 51773 | 2018-02-08 16:53:46 |
| R36.htm | 15486 | 2018-02-08 16:53:46 |
| R37.htm | 19324 | 2018-02-08 16:53:46 |
| R38.htm | 5337 | 2018-02-08 16:53:46 |
| R39.htm | 24945 | 2018-02-08 16:53:46 |
| R4.htm | 5481 | 2018-02-08 16:53:46 |
| R40.htm | 7949 | 2018-02-08 16:53:46 |
| R41.htm | 38862 | 2018-02-08 16:53:46 |
| R5.htm | 108654 | 2018-02-08 16:53:46 |
| R6.htm | 15004 | 2018-02-08 16:53:46 |
| R7.htm | 84922 | 2018-02-08 16:53:46 |
| R8.htm | 41809 | 2018-02-08 16:53:46 |
| R9.htm | 10263 | 2018-02-08 16:53:46 |
| report.css | 2767 | 2018-02-08 16:53:46 |
| Show.js | 1410 | 2018-02-08 16:53:46 |