Income Taxes (Tables)

6 Months Ended

Jun. 30, 2024

Reconciliation of Effective Tax Rate

A reconciliation of the United States federal statutory corporate tax rate to Teradyne’s effective tax rate was as follows:

	For the Three Months  Ended						For the Six Months  Ended
	June 30, 2024			July 2, 2023			June 30, 2024			July 2, 2023
U.S. statutory federal tax rate		21.0	%		21.0	%		21.0	%		21.0	%
Tax credits		(2.7	)		(2.4	)		(2.8	)		(2.4	)
Foreign taxes		(2.5	)		(1.0	)		(2.4	)		(0.8	)
International provisions of the U.S. Tax Cuts and Jobs Act    of 2017		(1.0	)		(2.5	)		(1.3	)		(2.8	)
Discrete benefit related to equity compensation		(0.6	)		(0.1	)		(0.7	)		(1.4	)
Other, net		0.9			1.9			0.5			2.1
Effective tax rate		15.1	%		16.9	%		14.3	%		15.7	%