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Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Dec. 31, 2012
Apr. 10, 2013
A.M. Holdings S.A.S (AIXAM)
Intangible Assets and Goodwill [Line Items]        
Goodwill $ 125,428 $ 125,428 $ 56,324  
Total other intangible assets, net 102,461 102,461 50,892  
Acquisition cost       141,189
Acquisition cost, net of cash acquired       134,817
Amortization expense of intangible assets 2,727 6,379    
Estimated Future Amortization Expense by Fiscal Year [Abstract]        
Remainder of 2013 2,618 2,618    
2014 10,471 10,471    
2015 10,471 10,471    
2016 10,447 10,447    
2017 10,131 10,131    
2018 8,651 8,651    
After 2018 $ 8,751 $ 8,751