EARNINGS PER SHARE Additional Information (Details) (USD $)	3 Months Ended
Jun. 30, 2012	Nov. 15, 2010 Note
Earnings Per Share [Abstract]
Convertible Senior Note		115,000
Debt Instrument, Convertible, Conversion Price	$ 42.40
Convertible Senior Note Principal Amount		$ 1,000
Debt Instrument, Convertible, Number of Equity Instruments	$ 2,700,000

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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+ Details