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Goodwill and Other Intangible Assets Other Intangible Assets, Changes in Net Carrying Amount (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Other Intangible Assets, Gross Amount [Roll Forward]    
Other intangible assets, beginning of period $ 116,279  
Foreign currency translation effect on balances (169)  
Other intangible assets, end of period 116,110  
Other Intangible Assets, Accumulated Amortization [Roll Forward]    
Other intangible assets, beginning of period (13,268)  
Amortization expense (2,745) (1,078)
Foreign currency translation effect on balances 16  
Other intangible assets, end of period $ (15,997)