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BASIS OF PRESENTATION - Introduction (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest income	$ 1,533	$ 1,842	$ 4,421	$ 3,559
Provision for losses on receivables			2,574	1,835
Uncollectible receivables
Provision for losses on receivables	326		326
Unrecorded interest income for note receivable
Interest income	$ 1,100		$ 1,100

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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