Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2012

Summary Of Significant Accounting Policies [Abstract]

Supplemental Disclosures Of Cash Flow Information

	Year Ended September 30,
	2012	2011	2010
Cash paid during the period for:
Interest	$ 141	$ 102	$ 563
Income taxes, net of refunds	12,104	3,889	31,993