Debt (Tables)

9 Months Ended

Sep. 29, 2024

Schedule of Interest Expense on Teradyne's Senior Notes

The interest expense on Teradyne's senior notes for three and nine months ended October 1, 2023, was as follows:

	For the Three Months  Ended				For the Nine Months  Ended
	September 29, 2024		October 1, 2023		September 29, 2024		October 1, 2023
	(in thousands)				(in thousands)
Contractual interest expense on the coupon	$	—	$	74	$	—	$	312
Amortization of debt issuance fees recognized as interest expense		—		—		—		113
Total interest expense on the convertible debt	$	—	$	74	$	—	$	425