Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-021173-index-headers.html | 2022-11-02 14:51:41 | |
| 0000950170-22-021173-index.html | 2022-11-02 14:51:41 | |
| 0000950170-22-021173.txt | 2022-11-02 14:51:41 | |
 0000950170-22-021173-xbrl.zip | 328272 | 2022-11-02 14:51:41 |
| FilingSummary.xml | 45132 | 2022-11-02 14:51:41 |
| Financial_Report.xlsx | 103215 | 2022-11-02 14:51:41 |
| MetaLinks.json | 743586 | 2022-11-02 14:51:41 |
| mlm-20220930.htm | 5727073 | 2022-11-02 14:51:41 |
| mlm-20220930.xsd | 62581 | 2022-11-02 14:51:41 |
| mlm-20220930_cal.xml | 80474 | 2022-11-02 14:51:41 |
| mlm-20220930_def.xml | 233022 | 2022-11-02 14:51:41 |
| mlm-20220930_htm.xml | 4781941 | 2022-11-02 14:51:41 |
| mlm-20220930_lab.xml | 488331 | 2022-11-02 14:51:41 |
| mlm-20220930_pre.xml | 381253 | 2022-11-02 14:51:41 |
| mlm-ex31_01.htm | 30692 | 2022-11-02 14:51:41 |
| mlm-ex31_02.htm | 30644 | 2022-11-02 14:51:41 |
| mlm-ex32_01.htm | 10428 | 2022-11-02 14:51:41 |
| mlm-ex32_02.htm | 10274 | 2022-11-02 14:51:41 |
| mlm-ex95.htm | 2047684 | 2022-11-02 14:51:41 |
| R1.htm | 51559 | 2022-11-02 14:51:41 |
| R10.htm | 323712 | 2022-11-02 14:51:41 |
| R11.htm | 54553 | 2022-11-02 14:51:41 |
| R12.htm | 43410 | 2022-11-02 14:51:41 |
| R13.htm | 97900 | 2022-11-02 14:51:41 |
| R14.htm | 15651 | 2022-11-02 14:51:41 |
| R15.htm | 10336 | 2022-11-02 14:51:41 |
| R16.htm | 166596 | 2022-11-02 14:51:41 |
| R17.htm | 15649 | 2022-11-02 14:51:41 |
| R18.htm | 183674 | 2022-11-02 14:51:41 |
| R19.htm | 259674 | 2022-11-02 14:51:41 |
| R2.htm | 146863 | 2022-11-02 14:51:41 |
| R20.htm | 58355 | 2022-11-02 14:51:41 |
| R21.htm | 5831 | 2022-11-02 14:51:41 |
| R22.htm | 6298 | 2022-11-02 14:51:41 |
| R23.htm | 456475 | 2022-11-02 14:51:41 |
| R24.htm | 416701 | 2022-11-02 14:51:41 |
| R25.htm | 191471 | 2022-11-02 14:51:41 |
| R26.htm | 308803 | 2022-11-02 14:51:41 |
| R27.htm | 56016 | 2022-11-02 14:51:41 |
| R28.htm | 43470 | 2022-11-02 14:51:41 |
| R29.htm | 79928 | 2022-11-02 14:51:41 |
| R3.htm | 8803 | 2022-11-02 14:51:41 |
| R30.htm | 157613 | 2022-11-02 14:51:41 |
| R31.htm | 178383 | 2022-11-02 14:51:41 |
| R32.htm | 258803 | 2022-11-02 14:51:41 |
| R33.htm | 57238 | 2022-11-02 14:51:41 |
| R34.htm | 33058 | 2022-11-02 14:51:41 |
| R35.htm | 21985 | 2022-11-02 14:51:41 |
| R36.htm | 36612 | 2022-11-02 14:51:41 |
| R37.htm | 7304 | 2022-11-02 14:51:41 |
| R38.htm | 31446 | 2022-11-02 14:51:41 |
| R39.htm | 11002 | 2022-11-02 14:51:41 |
| R4.htm | 140282 | 2022-11-02 14:51:41 |
| R40.htm | 11913 | 2022-11-02 14:51:41 |
| R41.htm | 31128 | 2022-11-02 14:51:41 |
| R42.htm | 12357 | 2022-11-02 14:51:41 |
| R43.htm | 35659 | 2022-11-02 14:51:41 |
| R44.htm | 7531 | 2022-11-02 14:51:41 |
| R45.htm | 51985 | 2022-11-02 14:51:41 |
| R46.htm | 31861 | 2022-11-02 14:51:41 |
| R47.htm | 23437 | 2022-11-02 14:51:41 |
| R48.htm | 57863 | 2022-11-02 14:51:41 |
| R49.htm | 22525 | 2022-11-02 14:51:41 |
| R5.htm | 82698 | 2022-11-02 14:51:41 |
| R50.htm | 16776 | 2022-11-02 14:51:41 |
| R51.htm | 32496 | 2022-11-02 14:51:41 |
| R52.htm | 27633 | 2022-11-02 14:51:41 |
| R53.htm | 39754 | 2022-11-02 14:51:41 |
| R54.htm | 18044 | 2022-11-02 14:51:41 |
| R55.htm | 4432 | 2022-11-02 14:51:41 |
| R56.htm | 8555 | 2022-11-02 14:51:41 |
| R57.htm | 31042 | 2022-11-02 14:51:41 |
| R58.htm | 21647 | 2022-11-02 14:51:41 |
| R59.htm | 8796 | 2022-11-02 14:51:41 |
| R6.htm | 72853 | 2022-11-02 14:51:41 |
| R60.htm | 34458 | 2022-11-02 14:51:41 |
| R61.htm | 51691 | 2022-11-02 14:51:41 |
| R62.htm | 12950 | 2022-11-02 14:51:41 |
| R63.htm | 7265 | 2022-11-02 14:51:41 |
| R64.htm | 4164 | 2022-11-02 14:51:41 |
| R65.htm | 11088 | 2022-11-02 14:51:41 |
| R66.htm | 5490 | 2022-11-02 14:51:41 |
| R7.htm | 4758 | 2022-11-02 14:51:41 |
| R8.htm | 444908 | 2022-11-02 14:51:41 |
| R9.htm | 215566 | 2022-11-02 14:51:41 |
| report.css | 2767 | 2022-11-02 14:51:41 |
| Show.js | 1085 | 2022-11-02 14:51:41 |