STOCK PLANS AND SHARE BASED COMPENSATION (Option Activity) (Details) - Stock Options [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Option activity under the Plans
Outstanding, shares, beginning of period	1,344	1,691	2,817
Outstanding, weighted-average exercise price, beginning of period (per share)	$ 27.27	$ 27.34	$ 26.00
Granted, shares	0	0	0
Granted, weighted-average exercise price (per share)	$ 0.00	$ 0.00	$ 0.00
Exercised, shares	(311)	(347)	(1,108)
Exercised, weighted-average exercise price (per share)	$ 26.11	$ 27.64	$ 23.72
Forfeited or expired, shares	(3)	0	(18)
Forfeited or expired, weighted-average exercise price (per share)	$ 37.97	$ 0.00	$ 39.70
Outstanding, shares, end of period	1,030	1,344	1,691
Outstanding, weighted-average exercise price, end of period (per share)	$ 27.58	$ 27.27	$ 27.34
Outstanding, weighted-average remaining contractual term (in years)	3 years 2 months
Outstanding, aggregate intrinsic value	$ 21,714
Exercisable, shares	1,021
Exercisable, weighted-average exercise price (per share)	$ 27.41
Exercisable, weighted-average remaining contractual term (in years)	3 years 1 month 20 days
Exercisable, aggregate intrinsic value	$ 21,651
Vested and expected to vest, shares	1,030
Vested and expected to vest, weighted-average exercise price (per share)	$ 27.58
Vested and expected to vest, weighted-average remaining contractual term (in years)	3 years 2 months
Vested and expected to vest, aggregate intrinsic value	$ 21,713
Total intrinsic value of options exercised	$ 7,000	$ 9,900	$ 26,500