EMPLOYEE BENEFIT PLANS, Estimated Subsidy Payments (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Disclosure of Expected Gross Prescription Drug Subsidy Receipts [Abstract]
2013	$ 220
2014	237
2015	257
2016	280
2017	305
2018 - 2022	$ 2,010

Aggregate amount for the next five fiscal years following the first five fiscal years (that is the aggregate of fiscal years six through ten) following the balance sheet date of the prescription drug subsidy receipts expected to be received.

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Amount of the prescription drug subsidy receipts expected to be received in Year 5 after the balance sheet date.

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Amount of the prescription drug subsidy receipts expected to be received in Year 4 after the balance sheet date.

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Amount of the prescription drug subsidy receipts expected to be received in Year 1 after the balance sheet date.

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Amount of the prescription drug subsidy receipts expected to be received in Year 3 after the balance sheet date.

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- Definition

Amount of the prescription drug subsidy receipts expected to be received in Year 2 after the balance sheet date.

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