RESTRUCTURING CHARGES - Schedule of Restructuring Liability (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Severance	Sep. 30, 2013 Severance	Mar. 31, 2013 Severance
Summary of Restructuring Activity [Roll Forward]
Balance at beginning of period					$ 785	$ 910
Restructuring charges (reversal) to operations	0	1,153	0	1,066	0	0	1,200
Other adjustments					(49)	(49)
Cash payments					(665)	(790)
Balance as of September 30, 2013					$ 71	$ 71	$ 910