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Acquisitions - Narrative (Details) - USD ($) $ in Thousands |  |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Apr. 24, 2024 | Sep. 27, 2023 | Jul. 03, 2023 | Feb. 01, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Increase in goodwill |  |  |  |  |  |  | $ (1,238) |
Propriety Solutions |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration on disposal |  |  | $ 31,800 |  |  |  |  |
Turbine Controls, Inc. ("TCI") |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration transferred | $ 122,200 |  |  |  |  |  |  |
Purchase price | 112,200 |  |  |  |  |  |  |
Working capital adjustment | 1,500 |  |  |  |  |  |  |
Acquisition related expenses |  |  |  |  | $ 100 |  | 2,200 |
Revenues |  |  |  |  | 30,700 |  | 54,200 |
Operating income |  |  |  |  | 2,100 |  | $ 3,900 |
Turbine Controls, Inc. ("TCI") | Common Stock |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Share consideration, VSE common stock | $ 10,000 |  |  |  |  |  |  |
Turbine Controls, Inc. ("TCI") | Customer Relationships |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Useful life (in years) |  |  |  |  |  |  | 10 years |
Precision Fuel |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Purchase price |  |  |  | $ 11,700 |  |  |  |
Acquisition related expenses |  |  |  |  |  |  |  | $ 200
Desser Aerospace |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration transferred |  |  | 99,700 |  |  |  |  |
Purchase price |  |  | $ 131,500 |  |  |  |  |
Acquisition related expenses |  |  |  |  |  | $ 1,200 |  | $ 3,000
Decrease to deferred tax liabilities |  |  |  |  |  |  | $ 1,600 |
Measurement period adjustments, increase in inventories |  |  |  |  |  |  | 100 |
Increase in goodwill |  |  |  |  |  |  | $ (1,700) |
Desser Aerospace | Customer Relationships |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Useful life (in years) |  |  |  |  |  |  | 8 years 3 months 18 days |
Honeywell International |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration transferred |  | $ 105,000 |  |  |  |  |  |
Decrease in other current assets |  |  |  |  | 500 |  |  |
Increase in goodwill |  |  |  |  | $ 500 |  |  |

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