Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Effective Income Tax Rates

The effective income tax rates for the second quarters and six months ended June 30, 2018 and 2017 were as follows:

Quarter Ended						Six Months Ended
June 30,						June 30,
2018			2017			2018			2017
	27	%		43	%		29	%		25	%