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| 0000076282-23-000021.txt | 2023-05-04 14:34:11 | |
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| FilingSummary.xml | 33403 | 2023-05-04 14:34:11 |
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| pkoh-20230331.htm | 1189047 | 2023-05-04 14:34:11 |
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| report.css | 2767 | 2023-05-04 14:34:11 |
| Show.js | 1085 | 2023-05-04 14:34:11 |