Supplemental Cash Flow Information (Tables)

12 Months Ended

Sep. 30, 2012

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information Components

	YEAR ENDED SEPTEMBER 30,
	2012		2011		2010
Cash paid for:
Interest	$	10	$	44	$	253
Income taxes		14,068		12,966		5,289
Noncash investing and financing activities:
Accrued capital expenditures		—		2		34
Inventory transferred to fixed assets		2,000		200		280