v3.26.3
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 27, 2026
Sep. 28, 2025
Sep. 27, 2026
Sep. 28, 2025
Revenues:        
Total revenues $ 1,305,950 $ 769,210 $ 3,917,434 $ 2,106,687
Cost of revenues:        
Total cost of revenues (exclusive of acquired intangible assets amortization shown separately below) 534,674 319,904 1,570,588 869,032
Gross profit 771,276 449,306 2,346,846 1,237,655
Operating expenses:        
Selling and administrative 198,968 169,144 558,224 484,182
Engineering and development 163,092 124,760 454,938 361,331
Acquired intangible assets amortization 5,251 3,514 12,447 11,820
Restructuring and other 1,997 6,585 8,455 23,472
Total operating expenses 369,308 304,003 1,034,064 880,805
Income from operations 401,968 145,303 1,312,782 356,850
Non-operating (income) expense:        
Interest income (3,341) (3,191) (8,945) (12,618)
Interest expense 868 1,309 6,983 2,909
Other (income) expense, net 150 (915) 1,156 2,875
Income before income taxes and equity in net earnings of affiliate 404,291 148,100 1,313,588 363,684
Income tax provision 59,833 23,344 188,778 50,148
Income before equity in net earnings of affiliate 344,458 124,756 1,124,810 313,536
Equity in net earnings of affiliate 3,281 (5,198) (3,277) (16,709)
Consolidated net income 347,739 119,558 1,121,533 296,827
Less: Net income attributable to noncontrolling interests 5,332 0 5,684 0
Net income attributable to Teradyne $ 342,407 $ 119,558 $ 1,115,849 $ 296,827
Earnings per common share attributable to Teradyne:        
Basic $ 2.19 $ 0.75 $ 7.14 $ 1.85
Diluted $ 2.17 $ 0.75 $ 7.08 $ 1.85
Weighted average common shares—basic 156,262 158,595 156,381 160,021
Weighted average common shares—diluted 157,502 159,097 157,610 160,409
Product [Member]        
Revenues:        
Total revenues $ 1,164,165 $ 632,104 $ 3,498,463 $ 1,716,718
Cost of revenues:        
Total cost of revenues (exclusive of acquired intangible assets amortization shown separately below) 485,092 270,634 1,425,757 727,198
Service [Member]        
Revenues:        
Total revenues 141,785 137,106 418,971 389,969
Cost of revenues:        
Total cost of revenues (exclusive of acquired intangible assets amortization shown separately below) $ 49,582 $ 49,270 $ 144,831 $ 141,834