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, 2011 Y	Dec. 31, 2010	Dec. 31, 2009
Stock Options [Member]
Option activity under the Plans
Outstanding, shares, beginning of period	4,433	5,724	5,981
Outstanding, weighted-average exercise price, beginning of period (per share)	$ 22.68	$ 21.65	$ 21.38
Granted, shares	164	218	877
Granted, weighted-average exercise price (per share)	$ 37.37	$ 35.46	$ 21.28
Exercised, shares	(948)	(1,263)	(930)
Exercised, weighted-average exercise price (per share)	$ 19.82	$ 18.15	$ 17.93
Forfeited or expired, shares	(92)	(246)	(204)
Forfeited or expired, weighted-average exercise price (per share)	$ 27.07	$ 33.25	$ 30.75
Outstanding, shares, end of period	3,557	4,433	5,724
Outstanding, weighted-average exercise price, end of period (per share)	$ 24.01	$ 22.68	$ 21.65
Outstanding, weighted-average remaining contractual term (in years)	4.65
Outstanding, aggregate intrinsic value	$ 33,728,000
Exercisable, shares	2,997
Exercisable, weighted-average exercise price (per share)	$ 23.13
Exercisable, weighted-average remaining contractual term (in years)	4.02
Exercisable, aggregate intrinsic value	30,332,000
Vested and expected to vest, shares	3,528
Vested and expected to vest, weighted-average exercise price (per share)	$ 23.92
Vested and expected to vest, weighted-average remaining contractual term (in years)	4.62
Vested and expected to vest, aggregate intrinsic value	33,672,000
Total intrinsic value of options exercised	$ 16,600,000	$ 27,100,000	$ 11,400,000