STOCK COMPENSATION PLANS (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012
Options Outstanding
Number of Outstanding Options (in shares)	677,708
Weighted Average Exercise Price (in dollars per share)	$ 28.41
Weighted Average Remaining Contractual Life	1 year 5 months 26 days
Options Exercisable
Number of Exercisable Options (in shares)	663,206
Weighted Average Exercise Price (in dollars per share)	$ 28.88
Range of exercise price per share from $0.00 to $4.99
Options Outstanding
Number of Outstanding Options (in shares)	7,765
Weighted Average Exercise Price (in dollars per share)	$ 4.25
Weighted Average Remaining Contractual Life	3 years 3 months
Range of exercise price per share from $5.00 to $9.99
Options Outstanding
Number of Outstanding Options (in shares)	3,646
Weighted Average Exercise Price (in dollars per share)	$ 5.43
Weighted Average Remaining Contractual Life	3 years 2 months 16 days
Range of exercise price per share from $10.00 to $14.99
Options Outstanding
Number of Outstanding Options (in shares)	9,328
Weighted Average Exercise Price (in dollars per share)	$ 14.87
Weighted Average Remaining Contractual Life	2 years 11 months 8 days
Options Exercisable
Number of Exercisable Options (in shares)	6,237
Weighted Average Exercise Price (in dollars per share)	$ 14.84
Range of exercise price per share from $15.00 to $19.99
Options Outstanding
Number of Outstanding Options (in shares)	6,321
Weighted Average Exercise Price (in dollars per share)	$ 18.07
Weighted Average Remaining Contractual Life	2 years 3 months 7 days
Options Exercisable
Number of Exercisable Options (in shares)	6,321
Weighted Average Exercise Price (in dollars per share)	$ 18.07
Range of exercise price per share from $20.00 to $24.99
Options Outstanding
Number of Outstanding Options (in shares)	340,697
Weighted Average Exercise Price (in dollars per share)	$ 21.09
Weighted Average Remaining Contractual Life	2 years 1 month 17 days
Options Exercisable
Number of Exercisable Options (in shares)	340,697
Weighted Average Exercise Price (in dollars per share)	$ 21.09
Range of exercise price per share from $35.00 to $39.99
Options Outstanding
Number of Outstanding Options (in shares)	303,451
Weighted Average Exercise Price (in dollars per share)	$ 37.90
Weighted Average Remaining Contractual Life	7 months 28 days
Options Exercisable
Number of Exercisable Options (in shares)	303,451
Weighted Average Exercise Price (in dollars per share)	$ 37.90
Range of exercise price per share from $40.00 to $44.99
Options Outstanding
Number of Outstanding Options (in shares)	6,500
Weighted Average Exercise Price (in dollars per share)	$ 40.37
Weighted Average Remaining Contractual Life	7 months 28 days
Options Exercisable
Number of Exercisable Options (in shares)	6,500
Weighted Average Exercise Price (in dollars per share)	$ 40.37