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Goodwill and Other Intangible Asset Data - Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]    
For the year ended December 31, 2014 $ 10,533  
For the year ended December 31, 2015 9,769  
For the year ended December 31, 2016 9,331  
For the year ended December 31, 2017 8,100  
For the year ended December 31, 2018 5,867  
Thereafter 25,368  
Net Amount $ 68,968 $ 39,151