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Comprehensive Loss (Details Textual) (USD $)	3 Months Ended		9 Months Ended
Comprehensive Loss (Details Textual) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Comprehensive Loss Income (Textual) [Abstract]
Tax Effect of Changes in unrealized gain on derivatives	$ 151,000		$ 265,000
Tax Effect of Changes in unrealized gain on available-for-sale debt securities		(1,476,000)		(1,476,000)
Net of Tax on unrealized gain on available for sale debt securities				$ (390,000)

Tax effect of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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- Definition

Tax effect of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities.

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