Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2012

Fair Value Measurements [Abstract]

Fair Value of Assets and Liabilities Measured on a Recurring Basis

The fair values of the Company's assets and liabilities measured on a recurring basis are categorized as follows:

	June 30, 2012								September 30, 2011
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Trading   securities	$	15,676		-		-	$	15,676	$	13,426		-		-	$	13,426
Total assets at   fair value	$	15,676		-		-	$	15,676	$	13,426		-		-	$	13,426
Liabilities:
Derivatives (1)		-	$	8,244		-	$	8,244		-	$	7,161		-	$	7,161
Total liabilities   at fair value		-	$	8,244		-	$	8,244		-	$	7,161		-	$	7,161
(1)Interest rate swaps are valued based on observable market swap rates.