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Basis of Presentation - Additional Information (Detail) (USD $)
3 Months Ended
Mar. 31, 2013
Segment
Organization Consolidation And Presentation Of Financial Statements [Abstract]  
Number of reporting segments 7
Fair market value $ 0
Loss on pending sale of business (6,712,000)
Loss on the pending sale , related to the cumulative translation loss $ 3,300,000