NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Stock-Based Compensation
Total share-based compensation expense before tax	$ 184,000	$ 1,799,000	$ 5,216,000
Income tax benefit recognized related to the compensation	63,000	612,000	1,770,000
Estimated fair value of options at date of grant with few assumptions
Expected life			5 years
Risk-free interest rate (as a percent)			1.60%
Stock volatility (as a percent)			44.00%
Dividend yield (as a percent)			1.60%
Options granted (in shares)	0	0
Cost of revenues
Stock-Based Compensation
Total share-based compensation expense before tax	188,000	438,000	797,000
Selling, general and administrative
Stock-Based Compensation
Total share-based compensation expense before tax	$ (4,000)	$ 1,361,000	$ 4,419,000