Income Taxes (Tables)

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Reconciliation between the U.S. federal statutory tax rate and effective tax rate

A reconciliation between the U.S. federal statutory tax rate and our effective tax rate is summarized as follows:

	For the Three Months Ended March 31,
	2018		2017
Statutory rate	21.0	%	35.0	%
State taxes	0.9		0.1
Taxes on foreign earnings	(0.7	)	(11.2	)
Credits and net operating loss utilization	(0.8	)	(0.7	)
Purchased intangible assets	0.6		1.4
Manufacturing deduction	—		(2.1	)
Other permanent items	0.4		0.7
Other	0.2		1.0
Effective tax rate	21.6	%	24.2	%