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Summary of Other Intangible Assets, with Finite Lives (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]    
Net $ 105,736  
Other Intangible Assets
   
Finite-Lived Intangible Assets [Line Items]    
Gross 146,129 148,917
Accumulated amortization (40,393) (33,325)
Net $ 105,736 $ 115,592