STOCK-BASED COMPENSATION (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013
41.05
Stock-based compensation
Base Price (in dollars per share)	$ 41.05
SARs Outstanding (in shares)	100,700
Remaining Life	2 years
Currently Exercisable (in shares)	100,700
48.60
Stock-based compensation
Base Price (in dollars per share)	$ 48.60
SARs Outstanding (in shares)	33,900
Remaining Life	3 years
Currently Exercisable (in shares)	33,900
43.46
Stock-based compensation
Base Price (in dollars per share)	$ 43.46
SARs Outstanding (in shares)	161,700
Remaining Life	4 years
Currently Exercisable (in shares)	161,700
41.12
Stock-based compensation
Base Price (in dollars per share)	$ 41.12
SARs Outstanding (in shares)	2,500
Remaining Life	4 years
Currently Exercisable (in shares)	2,500
38.59
Stock-based compensation
Base Price (in dollars per share)	$ 38.59
SARs Outstanding (in shares)	267,800
Remaining Life	5 years
Currently Exercisable (in shares)	267,800
3.50
Stock-based compensation
Base Price (in dollars per share)	$ 3.50
SARs Outstanding (in shares)	501,697
Remaining Life	6 years
Currently Exercisable (in shares)	507,697
18.36
Stock-based compensation
Base Price (in dollars per share)	$ 18.36
SARs Outstanding (in shares)	236,804
Remaining Life	7 years
Currently Exercisable (in shares)	236,804