OTHER INCOME (EXPENSE), NET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Other Income (Expense) Net [Line Items]
Total other income (expense), net	$ 463	$ 97	$ 1,317	$ 201
Interest Income [Member]
Other Income (Expense) Net [Line Items]
Total other income (expense), net	33	28	78	79
Other Income (Expense) Net [Member]
Other Income (Expense) Net [Line Items]
Total other income (expense), net	$ 430	$ 69	$ 1,239	$ 122