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Remaining Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Goodwill And Intangible Assets [Line Items]    
2014 $ 9,169  
2015 8,246  
2016 7,844  
2017 7,429  
2018 6,175  
Thereafter 19,492  
Finite intangible assets, Net Carrying Amount $ 58,355 $ 61,287