STOCK PLANS (Stock Option Weighted Average Assumptions) (Details) (Stock options, USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Stock options
Stock Plans
Expected volatility (as a percent)	45.67%	41.92%	42.15%
Dividend yield (as a percent)	1.66%	1.63%	2.02%
Risk-free interest rate (as a percent)	0.70%	0.80%	1.64%
Expected option life (in years)	4 years 6 months	4 years 3 months 18 days	4 years 10 months 24 days
Weighted average fair value per option granted during the year (in dollars per share)	$ 15.87	$ 10.97	$ 10.01