SHAREHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2016	Jul. 31, 2013
Dividend Payments [Abstract]
Total dividend payout		$ 3.2	$ 2.5	$ 8.6	$ 7.5
Share Repurchase Program [Member]
Share Repurchase Program [Abstract]
Authorized amount of stock repurchase							$ 67.3
Increase to existing share repurchase program	$ 30.0
Share repurchases yet to be purchased under authorization		$ 54.0		$ 54.0
Stock repurchased and retired to date (in shares)		1,600,000		1,600,000
Stock repurchased and retired to date		$ 43.3		$ 43.3
Repurchase of common stock (in shares)		0	0	0	0
Common Stock Warrants [Member]
Common Stock Warrants [Abstract]
Common stock issued upon exercise of vested warrants (in shares)		0	0	0	4,000
Weighted average exercise price (in dollars per share)		$ 3.00	$ 3.00	$ 3.00	$ 3.00
Warrants outstanding (in shares)		0		0		0