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v3.25.3

Revenue (Tables) | 9 Months Ended
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Sep. 30, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of Net Sales by End Market | The following table summarizes net sales by end market:
(in thousands) |  | For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
End Market |  | 2025 |  | 2024 |  | 2025 |  | 2024
Power Systems |  | $ | 169,370 |  |  | $ | 84,111 |  |  | $ | 432,980 |  |  | $ | 219,160 |
Industrial |  | 28,105 |  |  | 32,774 |  |  | 81,492 |  |  | 93,031 |
Transportation |  | 6,354 |  |  | 8,957 |  |  | 16,710 |  |  | 19,477 |
Total |  | $ | 203,829 |  |  | $ | 125,842 |  |  | $ | 531,182 |  |  | $ | 331,668 |
Schedule of Net Sales by Geographic Area | The following table summarizes net sales by geographic area:
(in thousands) |  | For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
Geographic Area |  | 2025 |  | 2024 |  | 2025 |  | 2024
United States |  | $ | 193,053 |  |  | $ | 113,533 |  |  | $ | 499,653 |  |  | $ | 294,295 |
North America (outside of United States) |  | 4,187 |  |  | 5,824 |  |  | 14,468 |  |  | 16,127 |
Pacific Rim |  | 5,703 |  |  | 5,595 |  |  | 14,131 |  |  | 17,416 |
Europe |  | 882 |  |  | 890 |  |  | 2,704 |  |  | 3,781 |
Other |  | 4 |  |  | — |  |  | 226 |  |  | 49 |
Total |  | $ | 203,829 |  |  | $ | 125,842 |  |  | $ | 531,182 |  |  | $ | 331,668 |
Schedule of Contract Balances |
(in thousands) |  | As of September 30, 2025 |  | As of December 31, 2024 |  | As of December 31, 2023
Short-term contract assets (included in Contract assets) |  | $ | 13,265 |  |  | $ | 21,462 |  |  | $ | 15,554 |
Short-term contract liabilities (included in Other accrued liabilities) |  | (12,525) |  |  | (10,184) |  |  | (2,741) |
Long-term contract liabilities (included in Noncurrent contract liabilities) |  | (1,733) |  |  | (1,877) |  |  | (2,401) |
Net contract assets (liabilities) |  | $ | (993) |  |  | $ | 9,401 |  |  | $ | 10,412 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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