STOCK PLANS (Summary of Stock Options by Exercise Price Range) (Details) (Stock options, USD $)	12 Months Ended
	Dec. 31, 2014
Information about awards outstanding
Weighted Average Remaining Life (in years)	5 years 6 months
Outstanding
Options Outstanding, Number of Stock Options (in shares)	2,087,193
Exercisable
Options Exercisable, Number of Stock Options (in shares)	1,818,218
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)	4 years 2 months 12 days
Outstanding
Options Outstanding, Number of Stock Options (in shares)	572,351
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	24.14
Exercisable
Options Exercisable, Number of Stock Options (in shares)	572,351
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	24.14
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)	5 years 4 months 24 days
Outstanding
Options Outstanding, Number of Stock Options (in shares)	917,607
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	33.21
Exercisable
Options Exercisable, Number of Stock Options (in shares)	917,272
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	33.21
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 1 month 6 days
Outstanding
Options Outstanding, Number of Stock Options (in shares)	597,235
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	57.94
Exercisable
Options Exercisable, Number of Stock Options (in shares)	328,595
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	52.75