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Note 13 DEBT SECURITIES (Detail) (USD $)
2 Months Ended 3 Months Ended
Feb. 27, 2012
Mar. 31, 2012
Dec. 31, 2011
Unsecured Debt   $ 26,119,000 $ 82,554,000
Debt Conversion, Converted Instrument, Shares Issued (in Shares)   4,635,159  
Shares Attributable To Conversion Of Debt Securities (in Shares)   11  
Debt Conversion Converted Instrument Remaining Amount   25,000  
Contingent Convertible Senior Unsecured Notes[Member]
     
Unsecured Debt     56,435,000
Debt Conversion, Original Debt, Amount 56,410,000    
Debt Conversion, Converted Instrument, Shares Issued (in Shares)   4,635,159  
Debt Instrument, Convertible, Conversion Ratio   82.1693  
Debt Conversion Converted Instrument Principal Per Share Amount   $ 1,000  
Debt Instrument, Convertible, Conversion Price (in Dollars per share)   $ 12.17