CONCENTRATION OF CREDIT RISK AND SIGNIFICANT CUSTOMERS - Narrative (Detail) (Customer Concentration Risk)	3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended			12 Months Ended	3 Months Ended		6 Months Ended			12 Months Ended
	Sep. 30, 2014 Indirect Customer Sales Revenue Customer	Sep. 30, 2013 Indirect Customer Sales Revenue Customer	Sep. 30, 2014 Indirect Customer Sales Revenue Customer	Sep. 30, 2013 Indirect Customer Sales Revenue Customer	Sep. 30, 2014 Indirect Customer Accounts receivable Customer	Mar. 31, 2014 Indirect Customer Accounts receivable Customer	Sep. 30, 2014 Direct Customer Sales Revenue Customer	Sep. 30, 2013 Direct Customer Sales Revenue Customer	Sep. 30, 2014 Direct Customer Sales Revenue Customer	Sep. 30, 2013 Direct Customer Sales Revenue Customer	Sep. 30, 2014 Direct Customer Accounts receivable Customer	Mar. 31, 2014 Direct Customer Accounts receivable Customer	Sep. 30, 2014 Minimum Indirect Customer Sales Revenue	Sep. 30, 2013 Minimum Indirect Customer Sales Revenue	Sep. 30, 2014 Minimum Indirect Customer Sales Revenue	Sep. 30, 2013 Minimum Indirect Customer Sales Revenue	Sep. 30, 2014 Minimum Indirect Customer Accounts receivable	Mar. 31, 2014 Minimum Indirect Customer Accounts receivable	Sep. 30, 2014 Minimum Direct Customer Sales Revenue	Sep. 30, 2013 Minimum Direct Customer Sales Revenue	Sep. 30, 2014 Minimum Direct Customer Sales Revenue	Sep. 30, 2013 Minimum Direct Customer Sales Revenue	Sep. 30, 2014 Minimum Direct Customer Accounts receivable	Mar. 31, 2014 Minimum Direct Customer Accounts receivable
Concentration Risk [Line Items]
Number of customers contributing to more than 10% of accounts receivable					0	0					0	1
Concentration risk percentage													10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%	10.00%
Number of customers contributing to more than 10% of total revenue	0	0	0	0			0	0	2	1