Income Taxes (Tables)

9 Months Ended

Sep. 27, 2020

Income Tax Disclosure [Abstract]

Reconciliation of United States Federal Statutory Corporate Tax Rate to Company's Effective Tax Rate, or Income Tax Provision

A reconciliation of the United States federal statutory corporate tax rate to the Company’s income tax expense, or effective tax rate, was as follows:

	Three-months Ended				Nine-months Ended
	September 27, 2020		September 29, 2019		September 27, 2020		September 29, 2019
Income tax expense at U.S. federal statutory corporate tax rate	21	%	21	%	21	%	21	%
State income taxes, net of federal benefit	1	%	1	%	1	%	1	%
Foreign tax rate differential	(5)	%	(7)	%	(5)	%	(7)	%
Tax credit	(1)	%	(1)	%	(1)	%	(1)	%
Discrete tax benefit related to stock options	(4)	%	(1)	%	(9)	%	(3)	%
Discrete tax expense (benefit) related to tax return filings	—	%	(3)	%	3	%	(1)	%
Other	2	%	2	%	2	%	2	%
Income tax expense	14	%	12	%	12	%	12	%