Taxes (Tables)

3 Months Ended

Mar. 31, 2019

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 U.S. federal statutory corporate tax rate to the Company’s income tax expense, or effective tax rate, was as follows:

	Three-months Ended
	March 31, 2019		April 1, 2018
Income tax expense at U.S federal statutory corporate tax rate	21	%	21	%
State income taxes, net of federal benefit	1	%	1	%
Foreign tax rate differential	(9	)%	(7	)%
Tax credit	—	%	(1	)%
Discrete tax benefit related to stock option exercises	(8	)%	(13	)%
Other discrete tax events	—	%	—	%
Other	2	%	1	%
Income tax expense	7	%	2	%