SHAREHOLDERS' EQUITY (Details) (USD $)	1 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended
	Apr. 30, 2013 Vote	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Jul. 31, 2013 Share Repurchase Program [Member]	Mar. 31, 2014 Share Repurchase Program [Member]	Mar. 31, 2013 Share Repurchase Program [Member]
Share Repurchase Program [Abstract]
Authorized amount of stock repurchase					$ 67,300,000		$ 55,000,000
Increase to existing share repurchase program (value)					12,300,000
Stock repurchased and retired to date (in shares)						1,300,000
Stock repurchased and retired to date (value)						30,300,000
Share repurchases yet to be purchased under authorization (value)						37,000,000
Repurchase of common stock (in shares)		86,000	0	1,168,000
Repurchases of common stock (value)		2,981,000		27,328,000
Average cost per share including commissions (in dollars per share)		$ 34.58		$ 23.41
Stock Purchase Rights [Abstract]
Number of Preferred Stock Purchase Rights Issued for Each Outstanding Share of Common Stock (in shares)	1
Number of shares of Series RP Preferred Stock the holder of the Preferred Stock Purchase Right is entitled to (in shares)	0.001
Series RP Preferred Stock par value (in dollars per share)	$ 0.001
Share Price (in dollars per share)	$ 24.00
Percentage change in ownership that triggers the Preferred Stock Purchase Rights	15.00%
Percentage of discount from market value of common stock under certain set of circumstances	50.00%
Cash Value of the Purchase Right unit under certain circumstances (in dollars per share)	$ 0.001
Number of Votes per Preferred Stock Purchase Right	0
Dividend Payments [Abstract]
Cash dividend declared (in dollars per share)		$ 0	$ 1.00	$ 0
Total dividend payout			$ 22,023,000
Common Stock Warrants [Abstract]
Warrants outstanding (in shares)		30,000	30,000	30,000
Warrants vested (in shares)		20,000	14,000	8,000
Weighted average exercise price (in dollars per share)		$ 3.00	$ 3.00	$ 3.00
Intangible asset useful life		10 years
Annual vesting percentage		20.00%
Warrants term		5 years