STOCK PLANS (RSUs) (Details) (Restricted Stock Units, USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance at beginning of year (in shares)	166,519	0
Shares granted (in shares)	133,944	166,519
Shares vested (in shares)	(10,499)	0
Shares forfeited (in shares)	(1,295)	0
Balance at end of year (in shares)	288,669	166,519
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Balance at beginning of year, weighted average grant date fair value (in dollars per share)	$ 34.55	$ 0.00
Shares granted, weighted average grant date fair value (in dollars per share)	$ 47.97	$ 34.55
Shares vested, weighted average grant date fair value (in dollars per share)	$ 33.06	$ 0.00
Shares forfeited, weighted average grant date fair value (in dollars per share)	$ 35.55	$ 0.00
Balance at end of year, weighted average grant date fair value (in dollars per share)	$ 40.83	$ 34.55