STOCKHOLDERS' EQUITY - STOCK OPTIONS AND OTHER COMPENSATION PLANS (Details) - Stock options - $ / shares	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Stock Option and Other Compensation Plans
Term of awards from the date of grant	10 years
Number of Shares
Options outstanding, beginning of year (in shares)	191,834	224,964	315,162
Options exercised (in shares)	0	(26,224)	(84,853)
Options canceled or expired (in shares)	(51,901)	(6,906)	(5,345)
Options outstanding, end of year (in shares)	139,933	191,834	224,964
Options exercisable, end of year (in shares)	139,933	191,834	223,150
Weighted Average Exercise Price
Options outstanding, beginning of year (in dollars per share)	$ 66.03	$ 62.75	$ 56.72
Options exercised (in dollars per share)		40.93	41.55
Options canceled or expired (in dollars per share)	59.34	54.58	43.66
Options outstanding, end of year (in dollars per share)	68.51	66.03	62.75
Options exercisable, end of year (in dollars per share)	$ 68.51	$ 66.03	$ 62.76
Minimum
Stock Option and Other Compensation Plans
Vesting period for awards granted under the plans	1 year
Maximum
Stock Option and Other Compensation Plans
Vesting period for awards granted under the plans	3 years
2014 Equity and Incentive Plan
Stock Option and Other Compensation Plans
Number of shares that remain available for future issuance	390,000