STOCK PLANS AND SHARE BASED COMPENSATION (Options by Exercise Price Range) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 17.18
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 42.88
Options Outstanding, Number Outstanding	1,344
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	3 years 6 months 21 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 27.27
Options Vested and Exercisable, Number Vested	1,292
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 26.69
$17.18 - $21.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 17.18
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 21.00
Options Outstanding, Number Outstanding	124
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	3 years 0 months 29 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 19.08
Options Vested and Exercisable, Number Vested	124
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 19.08
$21.14 - $21.14 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 21.14
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 21.14
Options Outstanding, Number Outstanding	268
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	4 years 3 months 21 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 21.14
Options Vested and Exercisable, Number Vested	268
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 21.14
$22.18 - $24.21 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 22.18
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 24.21
Options Outstanding, Number Outstanding	93
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	2 years 5 months 12 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 23.68
Options Vested and Exercisable, Number Vested	93
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 23.68
$25.25 - $25.25 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 25.25
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 25.25
Options Outstanding, Number Outstanding	243
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	2 years 7 months 13 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 25.25
Options Vested and Exercisable, Number Vested	243
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 25.25
$25.48 - $26.49 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 25.48
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 26.49
Options Outstanding, Number Outstanding	40
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	2 years 0 months 7 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 25.73
Options Vested and Exercisable, Number Vested	40
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 25.73
$26.75 - $26.75 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 26.75
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 26.75
Options Outstanding, Number Outstanding	212
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	1 year 1 month 6 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 26.75
Options Vested and Exercisable, Number Vested	212
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 26.75
$26.86 - $36.95 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 26.86
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 36.95
Options Outstanding, Number Outstanding	150
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	4 years 10 months 6 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 33.10
Options Vested and Exercisable, Number Vested	140
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 32.89
$37.96 - $38.07 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 37.96
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 38.07
Options Outstanding, Number Outstanding	85
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	5 years 3 months 14 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 38.06
Options Vested and Exercisable, Number Vested	85
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 38.06
$39.49 - $39.49 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 39.49
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 39.49
Options Outstanding, Number Outstanding	48
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	6 years 6 months
Options Outstanding, Weighted Average Exercise Price (per share)	$ 39.49
Options Vested and Exercisable, Number Vested	48
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 39.49
$42.88 - $42.88 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price Range, Lower Range Limit	$ 42.88
Options Outstanding, Exercise Price Range, Upper Range Limit	$ 42.88
Options Outstanding, Number Outstanding	81
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	7 years 2 months 12 days
Options Outstanding, Weighted Average Exercise Price (per share)	$ 42.88
Options Vested and Exercisable, Number Vested	39
Options Vested and Exercisable, Weighted Average Exercise Price (per share)	$ 42.88