| SUBSEQUENT EVENTS - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 1 Months Ended | ||
|---|---|---|---|---|
| Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Feb. 28, 2013
 Subsequent Event | |
| Subsequent Event [Line Items] | ||||
| Proceeds received from sale of businesses | $ 2.5 | $ 2.5 | $ 181.7 | $ 48.0 | 
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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