Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Supplemental Disclosures of Cash Flow Information

Supplemental Disclosures of Cash Flow Information (in thousands):

	Year Ended September 30,
	2014		2013		2012
Cash paid during the period for:
Interest, net of interest income	$	149	$	164	$	141
Income taxes, net of refunds		18,889		14,783		12,104
Non-cash capital expenditures		13,527		2,807		—