ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2012
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Gross billings for all products and services	$ 277,800,000	$ 260,900,000	$ 875,300,000	$ 715,500,000
Deferred costs	41,600,000		41,600,000		9,391,000
Deferred revenue	$ 51,342,000		$ 51,342,000		$ 15,935,000
Cisco and Hewlett Packard Concentration Risk [Member] | Product [Member]
CONCENTRATION OF RISK [Abstract]
Percentage of concentration risk (in hundredths)	42.70%	40.40%	48.70%	42.60%
Cisco and Hewlett Packard Concentration Risk [Member] | Services [Member]
CONCENTRATION OF RISK [Abstract]
Percentage of concentration risk (in hundredths)	12.60%	11.80%	10.90%	14.50%