Net Income Per Common Share (Tables)

3 Months Ended

Mar. 30, 2025

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income (Loss) Per Common Share

The following table sets forth the computation of basic and diluted net income per common share:

	For the Three Months  Ended
	March 30, 2025		March 31, 2024
	(in thousands, except per share amounts)
Net income for basic and diluted net income per share	$	98,896	$	64,197
Weighted average common shares-basic		161,501		153,047
Effect of dilutive potential common shares:
Convertible note hedge warrant shares (1)	—			8,862
Restricted stock units		444		419
Stock options		5		16
Employee stock purchase plan		46		4
Dilutive potential common shares		495		9,301
Weighted average common shares-diluted		161,996		162,348
Net income per common share-basic	$	0.61	$	0.42
Net income per common share-diluted	$	0.61	$	0.40

(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.