STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock purchase right estimated on the date of grant using weighted average assumption

	2017		2016		2015
Dividend yield	1.2	%	1.1	%	0.8	%
Expected volatility	21.6	%	19.5	%	19.0	%
Risk-free interest rate	0.9	%	0.4	%	0.1	%
Expected life (in years)	0.5		0.5		0.5