Outstanding Debt Balance (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Debt Instrument [Line Items]
Senior Notes, 9%, due 2015	$ 65,000	$ 105,000
Capital Leases, due through 2014	20	103
Total Debt	65,020	105,103
Less Current Portion	(16)	(69)
Total Long-term Debt	$ 65,004	$ 105,034