SEGMENT AND GEOGRAPHIC INFORMATION Net Revenues By Geographic Area (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Revenue from External Customer [Line Items]
Net revenues	$ 25,592	$ 24,753	$ 52,675	$ 50,480
United States
Revenue from External Customer [Line Items]
Net revenues	4,861	7,198	11,420	18,103
Asia Pacific [Member]
Revenue from External Customer [Line Items]
Net revenues	17,880	14,037	34,666	26,101
EMEA [Member]
Revenue from External Customer [Line Items]
Net revenues	$ 2,851	$ 3,518	$ 6,589	$ 6,276