STOCK-BASED COMPENSATION PLANS - SAR's Value Assumptions (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Stock Options
Assumptions used in valuation
Risk-free interest rate (as a percent)	1.90%	1.90%	1.80%
Expected years to exercise	5 years	5 years	5 years
Expected volatility (as a percent)	37.50%	42.10%	47.60%
Annual dividend yield (as a percent)	2.10%	2.00%	2.30%
SARs
Assumptions used in valuation
Risk-free interest rate (as a percent)	1.20%	1.30%	1.50%
Expected years to exercise	5 years	5 years	5 years
Expected volatility (as a percent)	42.00%	47.00%	65.00%
Annual dividend yield (as a percent)	2.10%	2.70%	2.20%