| Property, Plant, and Equipment [Text Block] |
Note 5. Property, Plant and Equipment
The significant components of property, plant and equipment as of April 30, 2026 and October 31, 2025 are comprised of the following:
| | | As of April 30, | | | As of October 31, | |
| (in thousands) | | 2026 | | | 2025 | |
| Land, building and improvements | | $ | 33,137 | | | $ | 32,874 | |
| Machinery and equipment | | | 578,486 | | | | 558,679 | |
| Transportation equipment | | | 14,688 | | | | 12,909 | |
| Furniture and office equipment | | | 4,538 | | | | 4,371 | |
| Accumulated depreciation | | | (210,868 | ) | | | (196,317 | ) |
| Property, plant and equipment, net | | $ | 419,981 | | | $ | 412,516 | |
For the three and six months ended April 30, 2026 and 2025 depreciation expense is as follows:
| | | Three Months Ended April 30, | | | Six Months Ended April 30, | |
| (in thousands) | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| Cost of operations | | $ | 9,888 | | | $ | 10,004 | | | $ | 19,816 | | | $ | 19,627 | |
| General and administrative expenses | | | 538 | | | | 550 | | | | 1,067 | | | | 1,099 | |
| Total depreciation expense | | $ | 10,426 | | | $ | 10,554 | | | $ | 20,883 | | | $ | 20,726 | |
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