Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

Stock-Based Compensation

Schedule of stock-based compensation fair value assumptions

	2018		2017
Expected life (years)	3.0		3.0
Expected stock price volatility	24.1	%	25.0	%
Expected dividend yield	1.0	%	1.2	%
Risk-free interest rate	2.4	%	1.5	%