OTHER INCOME (EXPENSE), NET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Other Income (Expense) Net [Line Items]
Total other income (expense), net	$ 854	$ 104
Interest Income [Member]
Other Income (Expense) Net [Line Items]
Total other income (expense), net	45	51
Other Income (Expense) Net [Member]
Other Income (Expense) Net [Line Items]
Total other income (expense), net	$ 809	$ 53