STOCK-BASED COMPENSATION Valuation Assumptions (Details) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013		Dec. 31, 2012
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	30.10%	41.20%	32.20%		41.80%
Risk-free interest rate	1.10%	0.60%	0.90%		0.60%
Expected dividend yield	0.90%	1.20%	0.90%		1.20%
Expected life (in years)	4 years 73 days	4 years 110 days	4 years 73 days		4 years 110 days
Weighted-average grant date fair value	$ 10.15	$ 10.10	$ 11.15		$ 10.31
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility			24.90%	[1]	38.40%	[1]
Risk-free interest rate			0.10%	[1]	0.10%	[1]
Expected dividend yield			0.90%	[1]	1.10%	[1]
Expected life (in years)			6 months	[1]	6 months	[1]
Weighted-average grant date fair value			$ 9.58	[1]	$ 8.95	[1]

[1] No purchase rights were granted under the ESPP during the three months ended December 31, 2013 or 2012.