COMMITMENTS AND CONTINGENCIES (Details) (USD $)	12 Months Ended			1 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2014 Aliph, Inc and AliphCom, Inc installment
Gain Contingencies [Line Items]
Total rent expense for operating leases	$ 4,300,000	$ 5,600,000	$ 5,900,000
Unconditional purchase obligations	163,900,000
Litigation settlement payment, amount				8,000,000
Number of litigation payment installments				4
Litigation settlement, amount of each installment				2,000,000
Operating Leases, Future Minimum Payments Due [Abstract]
2015	3,193,000
2016	1,738,000
2017	745,000
2018	599,000
2019	470,000
Thereafter	840,000
Total minimum future rental payments	$ 7,585,000