EQUITY COMPENSATION PLANS AND SHARE-BASED COMPENSATION, Stock Options (Details) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Additional disclosures [Abstract]
Proceeds from the exercise of stock options	$ 31,000	$ 1,455,000	$ 2,800,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of grant	10 years
Options, number of shares [Roll Forward]
Outstanding, beginning of period (in shares)	2,000	72,000	282,000
Granted (in shares)	0	0	0
Exercised (in shares)	(2,000)	(70,000)	(210,000)
Canceled or forfeited (in shares)	0	0	0
Outstanding, end of period (in shares)	0	2,000	72,000
Options, average exercise price per share [Roll Forward]
Outstanding, beginning of period (in dollars per share)	$ 13.24	$ 20.50	$ 15.21
Granted (in dollars per share)	$ 0	$ 0	$ 0
Exercised (in dollars per share)	$ 13.24	$ 20.74	$ 13.38
Canceled or forfeited (in dollars per share)	$ 0	$ 0	$ 0
Outstanding, end of period (in dollars per share)	$ 0	$ 13.24	$ 20.50
Stock options exercisable (in shares)	0
Total intrinsic value of stock options exercised	92,000	1,200,000	5,500,000
Additional disclosures [Abstract]
Proceeds from the exercise of stock options	$ 31,000	$ 1,500,000	$ 2,800,000
Stock Options [Member] | Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	4 years
Stock Options [Member] | Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year