XML 109 R92.htm IDEA: XBRL DOCUMENT v3.22.4
Computation of Basic and Diluted Net Income Per Common Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Net Income Loss Per Common Share      
Net income for basic and diluted net income per share $ 715,501 $ 1,014,589 $ 784,147
Weighted average common shares-basic 158,434 164,960 166,120
Convertible note hedge warrant shares [1] 8,806 9,956 6,989
Incremental shares from assumed conversion of convertible notes [2] 1,763 7,435 8,528
Employee stock purchase rights 22 8 10
Dilutive potential common shares 11,300 18,665 16,922
Weighted average common shares-diluted 169,734 183,625 183,042
Net income per common share-basic $ 4.52 $ 6.15 $ 4.72
Net income per common share-diluted $ 4.22 $ 5.53 $ 4.28
Restricted Stock Units      
Net Income Loss Per Common Share      
Incremental shares attributable to share based payment arrangements 657 1,180 1,264
Stock Options      
Net Income Loss Per Common Share      
Incremental shares attributable to share based payment arrangements 52 86 131
[1] Convertible notes hedge warrant shares were calculated using the difference between the average Teradyne stock price for the period and the warrant price, multiplied by the number of warrant shares. The result of this calculation, representing the total intrinsic value of the warrant, was divided by the average Teradyne stock price for the period.
[2] Incremental shares from the assumed conversion of the convertible notes was calculated using the difference between the average Teradyne stock price for the period and the conversion price, multiplied by the number of convertible notes shares. The result of this calculation, representing the total intrinsic value of the convertible debt, was divided by the average Teradyne stock price for the period.