STOCK PLANS AND SHARE-BASED COMPENSATION (Option Activity) (Details) (Stock Options [Member], USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Stock Options [Member]
Option activity under the Plans
Outstanding, shares, at January 1, 2015	1,344
Granted, shares	0
Exercised, shares	(49)
Forfeited or expired, shares	0
Outstanding, shares, at March 31, 2015	1,295
Exercisable, shares, at March 31, 2015	1,256
Vested and expected to vest, shares, at March 31, 2015	1,294
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, weighted-average exercise price, at January 1, 2015	$ 27.27
Granted, weighted-average exercise price	$ 0.00
Exercised, weighted-average exercise price	$ 21.24
Forfeited or expired, weighted-average exercise price	$ 0.00
Outstanding, weighted-average exercise price, at March 31, 2015	$ 27.49
Exercisable, weighted-average exercise price, at March 31, 2015	$ 27.05
Vested and expected to vest, weighted-average exercise price, at March 31, 2015	$ 27.48
Weighted Average Remaining Contractual Term [Abstract]
Outstanding, weighted-average remaining contractual term at March 31, 2015 (in years)	3 years 5 months 1 day
Exercisable, weighted-average remaining contractual term, at March 31, 2015 (in years)	3 years 3 months 21 days
Vested and expected to vest, weighted-average remaining contractual term, at March 31, 2015 (in years)	3 years 5 months 1 day
Aggregate Intrinsic Value [Abstract]
Outstanding, aggregate intrinsic value at March 31, 2015	$ 31,846,000
Exercisable, aggregate intrinsic value, at March 31, 2015	31,453,000
Vested and expected to vest, aggregate intrinsic value, at March 31, 2015	31,837,000
Intrinsic Value of Options Excercised	$ 1,600,000	$ 5,800,000