SHAREHOLDERS' EQUITY (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended			3 Months Ended		6 Months Ended			1 Months Ended	3 Months Ended		6 Months Ended
	Oct. 22, 2014	Jul. 23, 2014	Apr. 23, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2014	Jul. 31, 2013 Share Repurchase Program [Member]	Sep. 30, 2014 Share Repurchase Program [Member]	Sep. 30, 2013 Share Repurchase Program [Member]	Sep. 30, 2014 Share Repurchase Program [Member]	Sep. 30, 2013 Share Repurchase Program [Member]	Mar. 31, 2013 Share Repurchase Program [Member]
Share Repurchase Program [Abstract]
Authorized amount of stock repurchase									$ 67.3					$ 55.0
Increase to existing share repurchase program (value)									12.3
Stock repurchased and retired to date (in shares)										1,300,000		1,300,000
Stock repurchased and retired to date (value)										30.3		30.3
Share repurchases yet to be purchased under authorization (value)										37.0		37.0
Repurchase of common stock (in shares)										0	0	0	0
Dividend Payments [Abstract]
Dividend declared date	Oct. 22, 2014	Jul. 23, 2014	Apr. 23, 2014
Dividend payment date	Dec. 16, 2014	Sep. 17, 2014	Jun. 17, 2014
Record date	Nov. 17, 2014	Sep. 03, 2014	Jun. 03, 2014
Cash dividend declared (in dollars per share)	$ 0.10	$ 0.10	$ 0.10	$ 0.10	$ 0	$ 0.20	$ 0
Total dividend payout		$ 2.3	$ 2.2
Common Stock Warrants [Abstract]
Common stock issued upon exercise of vested warrants (in shares)				0		20,000
Warrants outstanding (in shares)				10,000		10,000		30,000
Warrants vested (in shares)				0		0		20,000
Weighted average exercise price (in dollars per share)				$ 3.00		$ 3.00		$ 3.00
Price per share upon exercise of vested warrants (in dollars per share)				$ 3.00		$ 3.00
Intangible asset useful life						10 years
Annual vesting percentage						20.00%
Warrants term						5 years