EARNINGS PER SHARE AND STOCK-BASED COMPENSATION (Details 4) (Stock options, USD $)	1 Months Ended	6 Months Ended
	Mar. 31, 2012	Jun. 30, 2012 item
Stock options outstanding and exercisable by range of exercise prices
Options Outstanding at the end of the period (in shares)		1,113,943
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		6 years 1 month 6 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 8.93
Options Exercisable at the end of the period (in shares)		271,513
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 11.89
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)		4,892
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		1 year 3 months 18 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 3.27
Options Exercisable at the end of the period (in shares)		4,892
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 3.27
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)		308,556
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		9 years 1 month 6 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 6.64
Options Exercisable at the end of the period (in shares)		55,976
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 5.95
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)		653,033
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		5 years 6 months
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 8.39
Options Exercisable at the end of the period (in shares)		63,183
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 7.58
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)		19,909
Options Outstanding - Weighted Average Remaining Contractual Term (in years)		2 years 3 months 18 days
Options Outstanding - Weighted Average Exercise Price (in dollars per share)		$ 12.21
Options Exercisable at the end of the period (in shares)		19,909
Options Exercisable - Weighted Average Exercise Price (in dollars per share)		$ 12.21
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 10 months 24 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 10 months 24 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