| Goodwill [Table Text Block] |
| | | Goodwill | |
| March 31, 2025 | | $ | 48,164 | |
| Balance acquired – Comtrafo | | | 122,620 | |
| Measurement period adjustment | | | 2,674 | |
| FX impact | | | 1,918 | |
| March 31, 2026 | | $ | 175,376 | |
| FX impact | | | 965 | |
| September 30, 2026 | | $ | 176,341 | |
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| Intangible Asset, Finite-Lived [Table Text Block] |
| | | September 30, 2026 | | | March 31, 2026 | | | | | |
| | | Gross Amount | | | Accumulated Amortization | | | Net Book Value | | | Gross Amount | | | Accumulated Amortization | | | Net Book Value | | | Estimated Useful Life | |
| Backlog | | | 2,646 | | | | (1,654 | ) | | | 992 | | | | 4,008 | | | | (2,038 | ) | | | 1,970 | | | | 2 | |
| Trade name and trademarks | | | 1,800 | | | | — | | | | 1,800 | | | | 1,800 | | | | — | | | | 1,800 | | | | Indefinite | |
| Customer relationships | | | 18,981 | | | | (10,485 | ) | | | 8,496 | | | | 18,920 | | | | (9,795 | ) | | | 9,125 | | | | 5-10 | |
| Core technology and know-how | | | 5,970 | | | | (5,559 | ) | | | 411 | | | | 5,970 | | | | (5,317 | ) | | | 653 | | | | 5-10 | |
| Intangible assets | | $ | 29,398 | | | $ | (17,698 | ) | | $ | 11,700 | | | $ | 30,698 | | | $ | (17,150 | ) | | $ | 13,548 | | | | | |
| | | September 30, 2026 | | | March 31, 2026 | |
| U.S. | | $ | 3,961 | | | $ | 4,567 | |
| Brazil | | | 7,739 | | | | 8,981 | |
| Total | | $ | 11,700 | | | $ | 13,548 | |
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