STOCK PLANS AND SHARE BASED COMPENSATION (Option Activity) (Details) (Stock Options [Member], USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stock Options [Member]
Option activity under the Plans
Outstanding, shares, beginning of period	1,691	2,817	3,557
Outstanding, weighted-average exercise price, beginning of period (per share)	$ 27.34	$ 26.00	$ 24.01
Granted, shares	0	0	135
Granted, weighted-average exercise price (per share)	$ 0.00	$ 0.00	$ 42.66
Exercised, shares	(347)	(1,108)	(870)
Exercised, weighted-average exercise price (per share)	$ 27.64	$ 23.72	$ 20.48
Forfeited or expired, shares	0	(18)	(5)
Forfeited or expired, weighted-average exercise price (per share)	$ 0.00	$ 39.70	$ 21.10
Outstanding, shares, end of period	1,344	1,691	2,817
Outstanding, weighted-average exercise price, end of period (per share)	$ 27.27	$ 27.34	$ 26.00
Outstanding, weighted-average remaining contractual term (in years)	3 years 6 months 21 days
Outstanding, aggregate intrinsic value	$ 32,905,000
Exercisable, shares	1,292
Exercisable, weighted-average exercise price (per share)	$ 26.69
Exercisable, weighted-average remaining contractual term (in years)	3 years 5 months 1 day
Exercisable, aggregate intrinsic value	32,366,000
Vested and expected to vest, shares	1,343
Vested and expected to vest, weighted-average exercise price (per share)	$ 27.25
Vested and expected to vest, weighted-average remaining contractual term (in years)	3 years 6 months 21 days
Vested and expected to vest, aggregate intrinsic value	32,889,000
Total intrinsic value of options exercised	$ 9,900,000	$ 26,500,000	$ 14,500,000