Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000015615-21-000027-index-headers.html | 2021-08-05 17:13:50 | |
| 0000015615-21-000027-index.html | 2021-08-05 17:13:50 | |
| 0000015615-21-000027.txt | 2021-08-05 17:13:50 | |
 0000015615-21-000027-xbrl.zip | 389831 | 2021-08-05 17:13:50 |
| FilingSummary.xml | 55288 | 2021-08-05 17:13:50 |
| Financial_Report.xlsx | 127924 | 2021-08-05 17:13:50 |
| MetaLinks.json | 894844 | 2021-08-05 17:13:50 |
| mtz-20210630.htm | 2067801 | 2021-08-05 17:13:50 |
| mtz-20210630.xsd | 61805 | 2021-08-05 17:13:50 |
| mtz-20210630_cal.xml | 100636 | 2021-08-05 17:13:50 |
| mtz-20210630_def.xml | 501126 | 2021-08-05 17:13:50 |
 mtz-20210630_g1.jpg | 2150 | 2021-08-05 17:13:50 |
| mtz-20210630_htm.xml | 1634562 | 2021-08-05 17:13:50 |
| mtz-20210630_lab.xml | 848304 | 2021-08-05 17:13:50 |
| mtz-20210630_pre.xml | 668143 | 2021-08-05 17:13:50 |
| mtz6302110-qex311.htm | 9249 | 2021-08-05 17:13:50 |
| mtz6302110-qex312.htm | 9185 | 2021-08-05 17:13:50 |
| mtz6302110-qex321.htm | 5524 | 2021-08-05 17:13:50 |
| mtz6302110-qex322.htm | 5536 | 2021-08-05 17:13:50 |
| R1.htm | 52210 | 2021-08-05 17:13:50 |
| R10.htm | 67829 | 2021-08-05 17:13:50 |
| R11.htm | 27771 | 2021-08-05 17:13:50 |
| R12.htm | 18044 | 2021-08-05 17:13:50 |
| R13.htm | 17743 | 2021-08-05 17:13:50 |
| R14.htm | 25758 | 2021-08-05 17:13:50 |
| R15.htm | 52043 | 2021-08-05 17:13:50 |
| R16.htm | 18677 | 2021-08-05 17:13:50 |
| R17.htm | 26638 | 2021-08-05 17:13:50 |
| R18.htm | 7842 | 2021-08-05 17:13:50 |
| R19.htm | 7588 | 2021-08-05 17:13:50 |
| R2.htm | 72530 | 2021-08-05 17:13:50 |
| R20.htm | 98263 | 2021-08-05 17:13:50 |
| R21.htm | 19176 | 2021-08-05 17:13:50 |
| R22.htm | 15802 | 2021-08-05 17:13:50 |
| R23.htm | 54071 | 2021-08-05 17:13:50 |
| R24.htm | 18932 | 2021-08-05 17:13:50 |
| R25.htm | 58414 | 2021-08-05 17:13:50 |
| R26.htm | 14706 | 2021-08-05 17:13:50 |
| R27.htm | 16753 | 2021-08-05 17:13:50 |
| R28.htm | 22654 | 2021-08-05 17:13:50 |
| R29.htm | 39438 | 2021-08-05 17:13:50 |
| R3.htm | 30439 | 2021-08-05 17:13:50 |
| R30.htm | 12431 | 2021-08-05 17:13:50 |
| R31.htm | 23910 | 2021-08-05 17:13:50 |
| R32.htm | 92790 | 2021-08-05 17:13:50 |
| R33.htm | 7287 | 2021-08-05 17:13:50 |
| R34.htm | 35035 | 2021-08-05 17:13:50 |
| R35.htm | 22260 | 2021-08-05 17:13:50 |
| R36.htm | 20324 | 2021-08-05 17:13:50 |
| R37.htm | 12607 | 2021-08-05 17:13:50 |
| R38.htm | 46363 | 2021-08-05 17:13:50 |
| R39.htm | 7493 | 2021-08-05 17:13:50 |
| R4.htm | 112509 | 2021-08-05 17:13:50 |
| R40.htm | 43206 | 2021-08-05 17:13:50 |
| R41.htm | 33755 | 2021-08-05 17:13:50 |
| R42.htm | 37026 | 2021-08-05 17:13:50 |
| R43.htm | 12255 | 2021-08-05 17:13:50 |
| R44.htm | 41366 | 2021-08-05 17:13:50 |
| R45.htm | 30349 | 2021-08-05 17:13:50 |
| R46.htm | 23457 | 2021-08-05 17:13:50 |
| R47.htm | 22726 | 2021-08-05 17:13:50 |
| R48.htm | 46639 | 2021-08-05 17:13:50 |
| R49.htm | 11983 | 2021-08-05 17:13:50 |
| R5.htm | 22410 | 2021-08-05 17:13:50 |
| R50.htm | 18383 | 2021-08-05 17:13:50 |
| R51.htm | 23371 | 2021-08-05 17:13:50 |
| R52.htm | 21717 | 2021-08-05 17:13:50 |
| R53.htm | 6407 | 2021-08-05 17:13:50 |
| R54.htm | 26892 | 2021-08-05 17:13:50 |
| R55.htm | 41371 | 2021-08-05 17:13:50 |
| R56.htm | 18540 | 2021-08-05 17:13:50 |
| R57.htm | 5068 | 2021-08-05 17:13:50 |
| R58.htm | 50385 | 2021-08-05 17:13:50 |
| R59.htm | 52727 | 2021-08-05 17:13:50 |
| R6.htm | 81310 | 2021-08-05 17:13:50 |
| R60.htm | 17627 | 2021-08-05 17:13:50 |
| R61.htm | 11696 | 2021-08-05 17:13:50 |
| R62.htm | 27664 | 2021-08-05 17:13:50 |
| R63.htm | 15303 | 2021-08-05 17:13:50 |
| R64.htm | 17360 | 2021-08-05 17:13:50 |
| R65.htm | 15391 | 2021-08-05 17:13:50 |
| R66.htm | 9696 | 2021-08-05 17:13:50 |
| R67.htm | 6944 | 2021-08-05 17:13:50 |
| R68.htm | 29841 | 2021-08-05 17:13:50 |
| R69.htm | 23775 | 2021-08-05 17:13:50 |
| R7.htm | 116815 | 2021-08-05 17:13:50 |
| R70.htm | 16081 | 2021-08-05 17:13:50 |
| R71.htm | 31713 | 2021-08-05 17:13:50 |
| R72.htm | 14175 | 2021-08-05 17:13:50 |
| R73.htm | 29757 | 2021-08-05 17:13:50 |
| R74.htm | 21574 | 2021-08-05 17:13:50 |
| R75.htm | 19347 | 2021-08-05 17:13:50 |
| R76.htm | 19836 | 2021-08-05 17:13:50 |
| R77.htm | 11647 | 2021-08-05 17:13:50 |
| R78.htm | 36337 | 2021-08-05 17:13:50 |
| R79.htm | 28342 | 2021-08-05 17:13:50 |
| R8.htm | 32616 | 2021-08-05 17:13:50 |
| R80.htm | 14033 | 2021-08-05 17:13:50 |
| R9.htm | 20205 | 2021-08-05 17:13:50 |
| report.css | 2767 | 2021-08-05 17:13:50 |
| Show.js | 1085 | 2021-08-05 17:13:50 |