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STOCK PLANS (Summary of Stock Options by Exercise Price Range) (Details) - Stock options
 12 Months Ended
Dec. 31, 2016
$ / shares
shares
Information about awards outstanding  
Weighted Average Remaining Life (in years) 6 years 3 months 19 days
Outstanding  
Options Outstanding, Number of Stock Options (in shares) | shares 1,609,702
Exercisable  
Options Exercisable, Number of Stock Options (in shares) | shares 1,151,320
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 5 years 3 months 19 days
Exercise Price Range 1  
Information about awards outstanding  
Exercise price, high end of range (in dollars per share) $ 49.99
Weighted Average Remaining Life (in years) 4 years 6 months
Outstanding  
Options Outstanding, Number of Stock Options (in shares) | shares 823,040
Options Outstanding, Weighted Average Exercise Price (in dollars per share) $ 37.00
Exercisable  
Options Exercisable, Number of Stock Options (in shares) | shares 823,040
Options Exercisable, Weighted Average Exercise Price (in dollars per share) $ 37.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 4 years 6 months
Exercise Price Range 2  
Information about awards outstanding  
Exercise price, low end of range (in dollars per share) $ 50.00
Exercise price, high end of range (in dollars per share) $ 59.99
Weighted Average Remaining Life (in years) 9 years 1 month 6 days
Outstanding  
Options Outstanding, Number of Stock Options (in shares) | shares 254,517
Options Outstanding, Weighted Average Exercise Price (in dollars per share) $ 58.06
Exercisable  
Options Exercisable, Number of Stock Options (in shares) | shares 4,760
Options Exercisable, Weighted Average Exercise Price (in dollars per share) $ 53.96
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 6 years 9 months 18 days
Exercise Price Range 3  
Information about awards outstanding  
Exercise price, low end of range (in dollars per share) $ 60.00
Weighted Average Remaining Life (in years) 7 years 7 months 6 days
Outstanding  
Options Outstanding, Number of Stock Options (in shares) | shares 532,145
Options Outstanding, Weighted Average Exercise Price (in dollars per share) $ 70.25
Exercisable  
Options Exercisable, Number of Stock Options (in shares) | shares 323,520
Options Exercisable, Weighted Average Exercise Price (in dollars per share) $ 70.76
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term 7 years 3 months 19 days