Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000789933-18-000040-index-headers.html | 2018-05-02 17:17:26 | |
| 0000789933-18-000040-index.html | 2018-05-02 17:17:26 | |
| 0000789933-18-000040.txt | 2018-05-02 17:17:26 | |
 0000789933-18-000040-xbrl.zip | 119466 | 2018-05-02 17:17:26 |
| exhibit311q118.htm | 14726 | 2018-05-02 17:17:26 |
| exhibit312q118.htm | 14719 | 2018-05-02 17:17:26 |
| exhibit32q118.htm | 11396 | 2018-05-02 17:17:26 |
| exhibit95q118.htm | 107243 | 2018-05-02 17:17:26 |
| FilingSummary.xml | 25284 | 2018-05-02 17:17:26 |
| Financial_Report.xlsx | 46122 | 2018-05-02 17:17:26 |
| nacco-20180331.xml | 552579 | 2018-05-02 17:17:26 |
| nacco-20180331.xsd | 28914 | 2018-05-02 17:17:26 |
| nacco-20180331_cal.xml | 68449 | 2018-05-02 17:17:26 |
| nacco-20180331_def.xml | 149904 | 2018-05-02 17:17:26 |
| nacco-20180331_lab.xml | 408112 | 2018-05-02 17:17:26 |
| nacco-20180331_pre.xml | 243828 | 2018-05-02 17:17:26 |
| nc331201810-q.htm | 764418 | 2018-05-02 17:17:26 |
| R1.htm | 24146 | 2018-05-02 17:17:26 |
| R10.htm | 4521 | 2018-05-02 17:17:26 |
| R11.htm | 16558 | 2018-05-02 17:17:26 |
| R12.htm | 51400 | 2018-05-02 17:17:26 |
| R13.htm | 12779 | 2018-05-02 17:17:26 |
| R14.htm | 6926 | 2018-05-02 17:17:26 |
| R15.htm | 60496 | 2018-05-02 17:17:26 |
| R16.htm | 17489 | 2018-05-02 17:17:26 |
| R17.htm | 6709 | 2018-05-02 17:17:26 |
| R18.htm | 22774 | 2018-05-02 17:17:26 |
| R19.htm | 6177 | 2018-05-02 17:17:26 |
| R2.htm | 90330 | 2018-05-02 17:17:26 |
| R20.htm | 19942 | 2018-05-02 17:17:26 |
| R21.htm | 69380 | 2018-05-02 17:17:26 |
| R22.htm | 35578 | 2018-05-02 17:17:26 |
| R23.htm | 13497 | 2018-05-02 17:17:26 |
| R24.htm | 56020 | 2018-05-02 17:17:26 |
| R25.htm | 17079 | 2018-05-02 17:17:26 |
| R26.htm | 22739 | 2018-05-02 17:17:26 |
| R27.htm | 21121 | 2018-05-02 17:17:26 |
| R28.htm | 22225 | 2018-05-02 17:17:26 |
| R29.htm | 15093 | 2018-05-02 17:17:26 |
| R3.htm | 10200 | 2018-05-02 17:17:26 |
| R30.htm | 19767 | 2018-05-02 17:17:26 |
| R31.htm | 15238 | 2018-05-02 17:17:26 |
| R32.htm | 8831 | 2018-05-02 17:17:26 |
| R33.htm | 5567 | 2018-05-02 17:17:26 |
| R34.htm | 18353 | 2018-05-02 17:17:26 |
| R35.htm | 9972 | 2018-05-02 17:17:26 |
| R36.htm | 9731 | 2018-05-02 17:17:26 |
| R37.htm | 12407 | 2018-05-02 17:17:26 |
| R38.htm | 15264 | 2018-05-02 17:17:26 |
| R39.htm | 4225 | 2018-05-02 17:17:26 |
| R4.htm | 80206 | 2018-05-02 17:17:26 |
| R40.htm | 7475 | 2018-05-02 17:17:26 |
| R41.htm | 41708 | 2018-05-02 17:17:26 |
| R5.htm | 6829 | 2018-05-02 17:17:26 |
| R6.htm | 24221 | 2018-05-02 17:17:26 |
| R7.htm | 10037 | 2018-05-02 17:17:26 |
| R8.htm | 90709 | 2018-05-02 17:17:26 |
| R9.htm | 26658 | 2018-05-02 17:17:26 |
| report.css | 2767 | 2018-05-02 17:17:26 |
| Show.js | 1410 | 2018-05-02 17:17:26 |