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Segment Information - Summary of Adjusted EBITDA Business Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Adjusted EBITDA attributable to Parsons Corporation |  |  |  |  |
Adjusted EBITDA attributable to Parsons Corporation | $ 138,393 |  | $ 106,576 | $ 263,897 | $ 187,081
Adjusted EBITDA attributable to noncontrolling interests | 11,837 |  | 11,730 | 27,426 | 21,616
Depreciation and amortization | (24,440) |  | (28,689) | (48,971) | (57,048)
Interest expense, net | (9,183) |  | (6,993) | (21,029) | (12,658)
Income tax (expense) benefit | (22,415) |  | (15,223) | 9,819 | (26,726)
Equity-based compensation expense | (10,647) |  | (9,314) | (23,303) | (16,017)
Loss on extinguishment of debt | 0 | $ (211,000) | 0 | (211,018) | 0
Transaction-related costs | (2,302) |  | (1,917) | (5,188) | (3,535)
Restructuring expense | 0 |  | 0 | 0 | (546)
Other | (524) |  | (1,399) | (3,026) | (2,120)
Net income (loss) including noncontrolling interests | 80,719 |  | 54,771 | (11,393) | 90,047
Net income attributable to noncontrolling interests | 11,547 |  | 11,530 | 26,790 | 21,253
Net income (loss) attributable to Parsons Corporation | 69,172 |  | 43,241 | (38,183) | 68,794
Federal Solution Segment |  |  |  |  |
Adjusted EBITDA attributable to Parsons Corporation |  |  |  |  |
Adjusted EBITDA attributable to Parsons Corporation | 102,781 |  | 85,640 | 195,322 | 141,788
Critical Infrastructure |  |  |  |  |
Adjusted EBITDA attributable to Parsons Corporation |  |  |  |  |
Adjusted EBITDA attributable to Parsons Corporation | 35,612 |  | 20,936 | 68,575 | 45,293
Net income (loss) attributable to Parsons Corporation | $ 0 |  | $ (410) | $ (6,677) | $ (803)

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