NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Stock-Based Compensation
Share-based compensation expense before tax	$ 2,771,000	$ 2,501,000	$ 184,000
Income tax benefit recognized related to the compensation costs	985,000	833,000	63,000
Cost of sales and contracts
Stock-Based Compensation
Share-based compensation expense before tax	773,000	867,000	188,000
Selling, general and administrative
Stock-Based Compensation
Share-based compensation expense before tax	$ 1,998,000	$ 1,634,000	$ (4,000)