EARNINGS PER SHARE AND STOCK-BASED COMPENSATION (Details 4) (Stock options, USD $)	1 Months Ended	9 Months Ended
	Mar. 31, 2012	Sep. 30, 2012 item
Stock options outstanding and exercisable by range of exercise prices
Options Outstanding at the end of the period (in shares)		1,090,451
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		5 years 10 months 24 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 8.95
Options Exercisable at the end of the period (in shares)		248,021
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 12.26
Granted (in shares)		150,000
Weighted average exercise price of stock options granted (in dollars per share)		$ 7.43
Chairman and CEO
Stock options outstanding and exercisable by range of exercise prices
Granted (in shares)	150,000
Number of equal installments for vesting of award		3
Weighted average exercise price of stock options granted (in dollars per share)		$ 7.43
Weighted average grant date fair value of stock options granted (in dollars per share)		$ 3.63
Range of exercise price $0.01 to $4.99
Stock options outstanding and exercisable by range of exercise prices
Exercise price, low end of the range (in dollars per share)		$ 0.01
Exercise price, high end of the range (in dollars per share)		$ 4.99
Options Outstanding at the end of the period (in shares)		4,363
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		1 year
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 3.22
Options Exercisable at the end of the period (in shares)		4,363
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 3.22
Range of exercise price $5.00 to $7.45
Stock options outstanding and exercisable by range of exercise prices
Exercise price, low end of the range (in dollars per share)		$ 5.00
Exercise price, high end of the range (in dollars per share)		$ 7.45
Options Outstanding at the end of the period (in shares)		306,821
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		8 years 10 months 24 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 6.65
Options Exercisable at the end of the period (in shares)		54,241
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 5.92
Range of exercise price $7.46 to $9.99
Stock options outstanding and exercisable by range of exercise prices
Exercise price, low end of the range (in dollars per share)		$ 7.46
Exercise price, high end of the range (in dollars per share)		$ 9.99
Options Outstanding at the end of the period (in shares)		635,597
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		5 years 3 months 18 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 8.42
Options Exercisable at the end of the period (in shares)		45,747
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 7.63
Range of exercise price $10.00 to $14.99
Stock options outstanding and exercisable by range of exercise prices
Exercise price, low end of the range (in dollars per share)		$ 10.00
Exercise price, high end of the range (in dollars per share)		$ 14.99
Options Outstanding at the end of the period (in shares)		16,117
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		2 years
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 12.37
Options Exercisable at the end of the period (in shares)		16,117
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 12.37
Range of exercise price $15.00 to $19.99
Stock options outstanding and exercisable by range of exercise prices
Exercise price, low end of the range (in dollars per share)		$ 15.00
Exercise price, high end of the range (in dollars per share)		$ 19.99
Options Outstanding at the end of the period (in shares)		80,890
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		2 years 8 months 12 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 15.02
Options Exercisable at the end of the period (in shares)		80,890
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 15.02
Range of exercise price $20.00 to $24.99
Stock options outstanding and exercisable by range of exercise prices
Exercise price, low end of the range (in dollars per share)		$ 20.00
Exercise price, high end of the range (in dollars per share)		$ 24.99
Options Outstanding at the end of the period (in shares)		46,663
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		2 years 8 months 12 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 20.19
Options Exercisable at the end of the period (in shares)		46,663
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 20.19