STOCK-BASED COMPENSATION Valuation Assumptions (Details) - $ / shares	3 Months Ended			9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2015	Dec. 31, 2014
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	26.70%	28.40%		27.00%	28.40%
Risk-free interest rate	1.50%	1.40%		1.40%	1.40%
Expected dividend yield	1.10%	1.20%		1.10%	1.30%
Expected life (in years)	4 years 73 days	4 years 73 days		4 years 73 days	4 years 73 days
Weighted-average grant date fair value	$ 11.21	$ 11.53		$ 11.39	$ 10.33
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility			[1]	21.90%	24.80%
Risk-free interest rate			[1]	0.30%	0.10%
Expected dividend yield			[1]	1.10%	1.30%
Expected life (in years)			[1]	183 days	183 days
Weighted-average grant date fair value			[1]	$ 11.73	$ 10.13

[1] No purchase rights were granted under the ESPP during the three months ended December 31, 2015 and 2014.