v3.26.1
Consolidated Statements of Comprehensive Income (Loss) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 29, 2026
Mar. 30, 2025
Mar. 29, 2026
Mar. 30, 2025
Statement of Comprehensive Income [Abstract]        
Net income $ 93,798 $ 5,412 $ 199,020 $ 6,190
Other comprehensive income (loss), net of tax        
Foreign currency translation adjustment, net of tax (18,328) 34,574 1,398 (74,272)
Net pension adjustments 0 0 (305) (33)
Other comprehensive income (loss), net of tax (18,328) 34,574 1,093 (74,305)
Comprehensive income (loss), net of tax 75,470 39,986 200,113 (68,115)
Less: Comprehensive income attributable to noncontrolling interests, net of tax 175 24 369 55
Comprehensive income (loss) attributable to Tetra Tech, net of tax $ 75,295 $ 39,962 $ 199,744 $ (68,170)