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| 0000950170-23-017749-index.html | 2023-05-04 15:03:35 | |
| 0000950170-23-017749.txt | 2023-05-04 15:03:35 | |
 0000950170-23-017749-xbrl.zip | 236190 | 2023-05-04 15:03:35 |
| FilingSummary.xml | 37918 | 2023-05-04 15:03:35 |
| Financial_Report.xlsx | 80905 | 2023-05-04 15:03:35 |
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| mlm-20230331.htm | 2782067 | 2023-05-04 15:03:35 |
| mlm-20230331.xsd | 59085 | 2023-05-04 15:03:35 |
| mlm-20230331_cal.xml | 72596 | 2023-05-04 15:03:35 |
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| mlm-20230331_lab.xml | 457888 | 2023-05-04 15:03:35 |
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| mlm-ex31_01.htm | 29630 | 2023-05-04 15:03:35 |
| mlm-ex31_02.htm | 29599 | 2023-05-04 15:03:35 |
| mlm-ex32_01.htm | 10084 | 2023-05-04 15:03:35 |
| mlm-ex32_02.htm | 9930 | 2023-05-04 15:03:35 |
| mlm-ex95.htm | 1960095 | 2023-05-04 15:03:35 |
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| report.css | 2767 | 2023-05-04 15:03:35 |
| Show.js | 1085 | 2023-05-04 15:03:35 |