Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2013

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:

	March 31, 2013								September 30, 2012
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Trading   securities	$	16,715		-		-	$	16,715	$	16,265		-		-	$	16,265
Total assets at   fair value	$	16,715		-		-	$	16,715	$	16,265		-		-	$	16,265
Liabilities:
Derivatives (1)		-	$	6,289		-	$	6,289		-	$	9,133		-	$	9,133
Total liabilities   at fair value		-	$	6,289		-	$	6,289		-	$	9,133		-	$	9,133
(1)Interest rate swaps are valued based on observable market swap rates.