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ACQUISITIONS (Unaudited Pro Forma Consolidated Results of Operations) (Detail) (Umeco, USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Umeco
 
Business Acquisition [Line Items]  
Business Acquisition, Pro Forma Revenue $ 1,896.2us-gaap_BusinessAcquisitionsProFormaRevenue
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Business Acquisition, Pro Forma Net Income (Loss) $ 93.7us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
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Business Acquisition, Pro Forma Earnings Per Share, Diluted $ 1.00us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
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