v3.26.3
Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Statement of Comprehensive Income [Abstract]        
Net income including noncontrolling interests $ 67,411 $ 81,794 $ 132,157 $ 234,070
Other comprehensive income, net of tax        
Foreign currency translation adjustment, net of tax 281 (4,946) (6,240) 3,522
Pension adjustments, net of tax 0 (1,275) 0 (1,206)
Comprehensive income including noncontrolling interests, net of tax 67,692 75,573 125,917 236,386
Comprehensive income attributable to noncontrolling interests, net of tax (13,258) (17,671) (40,297) (48,514)
Comprehensive income attributable to Parsons Corporation, net of tax $ 54,434 $ 57,902 $ 85,620 $ 187,872