Estimated Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
2014 $ 16,681  
2015 15,643  
2016 13,930  
2017 13,310  
2018 12,889  
Thereafter 76,910  
Intangible Assets, Net $ 149,363 $ 173,876