Debt (Tables)

9 Months Ended

Oct. 02, 2022

Components of Convertible Senior Notes

The below tables represent the key components of Teradyne’s convertible senior notes:

	October 2, 2022		December 31, 2021
	(in thousands)
Debt principal	$	64,980	$	116,980
Unamortized debt issuance fees (1)		189		8,554
Net Carrying amount of convertible debt	$	64,791	$	108,426

	October 2, 2022		December 31, 2021
	(in thousands)
Current debt	$	14,596	$	19,182
Long-term debt		50,195		89,244
Net carrying amount of convertible debt	$	64,791	$	108,426

	For the Three Months Ended				For the Nine Months Ended
	October 2, 2022		October 3, 2021		October 2, 2022		October 3, 2021
	(in thousands)				(in thousands)
Contractual interest expense on the coupon	$	159	$	355	$	592	$	2,666
Amortization of debt issuance fees recognized as interest expense (2)		43		2,424		173		9,771
Total interest expense on the convertible debt	$	202	$	2,779	$	765	$	12,437

(1) Unamortized debt issuance fees as of December 31, 2021 include unamortized debt discount of $8.1 million, which was eliminated with the adoption of ASU 2020-06 on January 1, 2022.

(2) Three and nine months ended October 3, 2021 includes the amortization of debt discount component, which was eliminated with the adoption of ASU 2020-06 on January 1, 2022.