Future Minimum Rental Commitments under Non Cancelable Long-Term Operating Leases (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Operating Leased Assets [Line Items]
2012	$ 120
2013	396
2014	284
2015	284
2016	153
Thereafter	$ 3,521

- Definition

Amount of minimum lease payments maturing after the fifth fiscal year following the latest fiscal year for sale-leaseback transactions accounted for using the deposit method or as a financing.

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- Definition

Amount of minimum lease payments maturing in the fifth fiscal year following the latest fiscal year for sale-leaseback transactions accounted for using the deposit method or as a financing.

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- Definition

Amount of minimum lease payments maturing in the fourth fiscal year following the latest fiscal year for sale-leaseback transactions accounted for using the deposit method or as a financing.

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- Definition

Amount of minimum lease payments maturing in the next fiscal year following the latest fiscal year for sale-leaseback transactions accounted for using the deposit method or as a financing.

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- Definition

Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for sale-leaseback transactions accounted for using the deposit method or as a financing.

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- Definition

Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for sale-leaseback transactions accounted for using the deposit method or as a financing.

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