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Goodwill | 9 Months Ended
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Sep. 27, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | Goodwill We perform our annual goodwill impairment test as of the first day of the fourth quarter. If certain factors occur, including significant underperformance of our business relative to expected operating results, significant adverse economic and industry trends, significant decline in our market capitalization for an extended period of time relative to net book value, a decision to divest individual businesses within a reporting unit, or a decision to group individual businesses differently, we may be required to perform an interim impairment test prior to the fourth quarter. We may use either a qualitative or quantitative approach when testing a reporting unit’s goodwill for impairment. The qualitative approach for potential impairment analysis is performed by evaluating a number of qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit was less than its carrying amount. If the qualitative assessment indicates that it is more-likely-than-not that the fair value of a reporting unit is less than its carrying value, we perform a quantitative assessment. The quantitative approach for potential impairment analysis is performed by comparing the fair value of a reporting unit to its carrying value, including goodwill. Fair value is estimated by management using a combination of the income approach (which is based on a discounted cash flow model) and market approach. Management’s cash flow projections include significant judgments and assumptions, including the amount and timing of expected cash flows, long-term growth rates, and discount rates. The cash flows used in the discounted cash flow model are based on our best estimate of future revenues, gross margins, and adjusted after-tax earnings. If any of these assumptions are incorrect, it will impact the estimated fair value of a reporting unit. The market approach also requires management judgment in selecting comparable companies, business acquisitions and the transaction values observed and its related control premiums. No material adverse factors/changes have occurred since the fourth quarter of 2024 that would require us to perform another qualitative or quantitative assessment as of our quarter ended September 27, 2025. As such, for the third quarter of 2025, it was also not more likely than not that the fair values of the reporting units were less than their carrying amounts and thus, the respective goodwill amounts were not deemed to be impaired. The carrying amounts of our goodwill were as follows:
|  | (Dollars in thousands)
|  | Electronic Systems |  | Structural Systems |  | Consolidated Ducommun
Gross goodwill |  | $ | 199,157 |  |  | $ | 127,165 |  |  | $ | 326,322 |
Accumulated goodwill impairment |  | (81,722) |  |  | — |  |  | (81,722) |
Balance at December 31, 2024 |  | $ | 117,435 |  |  | $ | 127,165 |  |  | $ | 244,600 |
Balance at September 27, 2025 |  | $ | 117,435 |  |  | $ | 127,165 |  |  | $ | 244,600 |

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