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| 0000789933-19-000060-index.html | 2019-10-30 17:12:55 | |
| 0000789933-19-000060.txt | 2019-10-30 17:12:55 | |
 0000789933-19-000060-xbrl.zip | 149136 | 2019-10-30 17:12:55 |
| exhibit311q319.htm | 14731 | 2019-10-30 17:12:55 |
| exhibit312q319.htm | 14724 | 2019-10-30 17:12:55 |
| exhibit32q319.htm | 11410 | 2019-10-30 17:12:55 |
| exhibit95q319.htm | 104591 | 2019-10-30 17:12:55 |
| FilingSummary.xml | 31714 | 2019-10-30 17:12:55 |
| Financial_Report.xlsx | 60843 | 2019-10-30 17:12:55 |
| nacco-20190930.xml | 1073559 | 2019-10-30 17:12:55 |
| nacco-20190930.xsd | 35482 | 2019-10-30 17:12:55 |
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| nc930201910-q.htm | 1237602 | 2019-10-30 17:12:55 |
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| report.css | 2767 | 2019-10-30 17:12:55 |
| Show.js | 1085 | 2019-10-30 17:12:55 |