INCOME TAXES (Details) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013
INCOME TAXES [Abstract]
Income tax provision	$ 2,210,000	$ 8,012,000	$ 4,021,000	$ 9,711,000
Effective income tax rate (in hundredths)	36.00%	38.00%	36.00%	38.00%
Discrete tax expense due to gain from legal settlement		6,700,000		6,700,000
Unrecognized tax benefits	0		0		0
Penalties and interest expense related to unrecognized tax benefits	$ 0	$ 0	$ 0	$ 0