DISCONTINUED OPERATIONS - Additional Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Jun. 30, 2011
DISCONTINUED OPERATIONS [Line Items]
Environmental remediation expense	$ 11

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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-Name Statement of Position (SOP)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Position (SOP)

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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