STOCK PLANS (Summary of Stock Options by Exercise Price Range) (Details) - Stock options	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Information about awards outstanding
Weighted Average Remaining Life (in years)	5 years 8 months 12 days
Outstanding
Options Outstanding, Number of Stock Options (in shares) | shares	2,194,649
Exercisable
Options Exercisable, Number of Stock Options (in shares) | shares	1,807,427
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	5 years
Exercise Price Range 1
Information about awards outstanding
Exercise price, high end of range (in dollars per share)	$ 29.99
Weighted Average Remaining Life (in years)	3 years 6 months
Outstanding
Options Outstanding, Number of Stock Options (in shares) | shares	491,072
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 24.56
Exercisable
Options Exercisable, Number of Stock Options (in shares) | shares	491,072
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 24.56
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	3 years 6 months
Exercise Price Range 2
Information about awards outstanding
Exercise price, low end of range (in dollars per share)	$ 30.00
Exercise price, high end of range (in dollars per share)	$ 39.99
Weighted Average Remaining Life (in years)	4 years 4 months 24 days
Outstanding
Options Outstanding, Number of Stock Options (in shares) | shares	825,161
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 33.18
Exercisable
Options Exercisable, Number of Stock Options (in shares) | shares	825,161
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 33.18
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	4 years 4 months 24 days
Exercise Price Range 3
Information about awards outstanding
Exercise price, low end of range (in dollars per share)	$ 40.00
Weighted Average Remaining Life (in years)	8 years
Outstanding
Options Outstanding, Number of Stock Options (in shares) | shares	878,416
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 62.15
Exercisable
Options Exercisable, Number of Stock Options (in shares) | shares	491,194
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 56.40
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	7 years 3 months 18 days