Long-Term Debt (Tables)

12 Months Ended

Sep. 30, 2011

Long-Term Debt

Schedule Of Long-Term Debt

	September 30, 2011		September 30, 2010
2007 credit facility, bearing interest (market adjustable) at approximately 1.1% per annum at September 30, 2010	$	—	$	180,000
2008 credit facility, bearing interest (market adjustable) at approximately 1.8% per annum at September 30, 2010	$	—	$	50,000
2011 credit facility bearing interest (market adjustable) at approxiamtely 3.1% per annum at September 30, 2011	$	520,000	$	—
	$	520,000	$	230,000