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v3.25.1

Segment Information - Summary of Adjusted EBITDA Business Segment Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Jan. 01, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |  |
Revenue |  | $ 1,554,360 | $ 1,535,676
Direct cost of contracts |  | (1,200,377) | (1,210,827)
Selling, general and administrative expenses |  | (91,536) | (69,725)
Equity in earnings (losses) of unconsolidated joint ventures |  | (687) | (2,060)
Other segment items |  | (128,041) | (127,560)
Adjusted EBITDA attributable to Parsons Corporation |  | 133,719 | 125,504
Reconciliation: Segment Adjusted EBITDA to Net Income Attributable to Parsons Corporation |  |  |
Adjusted EBITDA attributable to noncontrolling interests |  | 15,057 | 15,589
Depreciation and amortization |  | (27,403) | (24,531)
Interest expense, net |  | (10,104) | (11,846)
Income tax expense |  | (18,977) | (13,324)
Equity-based compensation expense |  | (7,103) | (12,656)
Convertible debt repurchase loss | $ (18,400) | 0 | (18,355)
Transaction-related costs |  | (3,701) | (2,886)
Other |  | 299 | (2,502)
Net income including noncontrolling interests |  | 81,787 | 54,993
Net income attributable to noncontrolling interests |  | (15,584) | (15,243)
Net income attributable to Parsons Corporation |  | 66,203 | 39,750
Federal Solution Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue |  | 842,557 | 909,608
Direct cost of contracts |  | (661,912) | (723,885)
Selling, general and administrative expenses |  | (45,409) | (35,145)
Equity in earnings (losses) of unconsolidated joint ventures |  | (992) | (469)
Other segment items |  | (58,712) | (57,568)
Adjusted EBITDA attributable to Parsons Corporation |  | 75,532 | 92,541
Critical Infrastructure |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue |  | 711,803 | 626,068
Direct cost of contracts |  | (538,465) | (486,942)
Selling, general and administrative expenses |  | (46,127) | (34,580)
Equity in earnings (losses) of unconsolidated joint ventures |  | 305 | (1,591)
Other segment items |  | (69,329) | (69,992)
Adjusted EBITDA attributable to Parsons Corporation |  | $ 58,187 | $ 32,963

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