ENVIRONMENTAL MATTERS (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
ENVIRONMENTAL MATTERS [Abstract]
Environmental remediation accrual	$ 5,682
Environmental remediation accrual classified in other current liabilities	$ 781

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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