RESTRUCTURING CHARGES - Additional Information (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
Restructuring Cost and Reserve [Line Items]
Restructuring charges to operations	$ 0	$ 1,153	$ 0	$ 1,066	$ 0	$ 0	$ 1,200