STOCK PLANS (Summary of Stock Options by Exercise Price Range) (Details) (Stock options, USD $)	12 Months Ended
	Dec. 31, 2012
Information about awards outstanding
Weighted Average Remaining Life (in years)	6 years 6 months
Outstanding
Options Outstanding, Number of Stock Options (in shares)	3,060,944
Exercisable
Options Exercisable, Number of Stock Options (in shares)	2,208,455
Exercise Price Range 1
Information about awards outstanding
Exercise price, high end of range (in dollars per share)	19.99
Weighted Average Remaining Life (in years)	2 years 4 months 24 days
Outstanding
Options Outstanding, Number of Stock Options (in shares)	449,884
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	18.59
Exercisable
Options Exercisable, Number of Stock Options (in shares)	449,884
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	18.59
Exercise Price Range 2
Information about awards outstanding
Exercise price, low end of range (in dollars per share)	20.00
Exercise price, high end of range (in dollars per share)	32.99
Weighted Average Remaining Life (in years)	6 years 6 months
Outstanding
Options Outstanding, Number of Stock Options (in shares)	1,389,730
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	27.79
Exercisable
Options Exercisable, Number of Stock Options (in shares)	1,284,025
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	27.50
Exercise Price Range 3
Information about awards outstanding
Exercise price, low end of range (in dollars per share)	33.00
Weighted Average Remaining Life (in years)	8 years
Outstanding
Options Outstanding, Number of Stock Options (in shares)	1,221,330
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	39.18
Exercisable
Options Exercisable, Number of Stock Options (in shares)	474,546
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	34.50