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Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items]  
Intangible assets purchase price allocation $ 162,800
Backlog
  
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items]  
Intangible assets preliminarily, Amount 900
Intangible assets preliminarily UsefulLife Less than 1 year
Tradenames and Trademarks
  
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items]  
Intangible assets preliminarily, Amount 27,600
Intangible assets preliminarily, UsefulLife 20 years
Technology
  
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items]  
Intangible assets preliminarily, Amount 15,300
Intangible assets preliminarily, UsefulLife 12 years
Customer relationships
  
Acquired Finite and Indefinite Lived Intangible Assets By Major Class [Line Items]  
Intangible assets preliminarily, Amount $ 119,000
Intangible assets preliminarily, UsefulLife 10 years