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NOTE 20 BASIC AND DILUTED EARNINGS PER SHARE (EPS) (Detail) (USD $) In Millions, except Share data, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012
Debt Instrument [Line Items] |  |
Percentage of interest rate on convertible notes |  | 3.25%
Debt conversion, converted instrument, shares issued (in shares) | 4,635,159 |
Convertible Notes Payable |  |
Debt Instrument [Line Items] |  |
Percentage of interest rate on convertible notes | 3.25% |
Conversion amount, convertible notes | $ 56.4 |

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