STOCK PLANS (RSUs and PSUs) (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
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) | shares	506,030
Shares granted | shares	170,857
Shares vested (in shares) | shares	(186,224)
Shares forfeited | shares	(9,534)
Balance at end of year (in shares) | shares	481,129
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) | $ / shares	$ 75.69
Shares granted, weighted average grant date fair value (in dollars per share) | $ / shares	87.55
Shares vested, weighted average grant date fair value (in dollars per share) | $ / shares	60.69
Shares forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	82.30
Balance at end of year, weighted average grant date fair value (in dollars per share) | $ / shares	$ 85.58
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Shares granted | shares	42,142
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Shares granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 88.19