XML 26 R30.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill and Other Intangible Assets - Other Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Finite And Indefinite Lived Intangible Assets [Line Items]      
Intangible assets   $ 377,418  
Intangible assets, gross   381,918  
Accumulated Amortization (202,780) (198,082)  
Amortization Expense (5,301)   (9,165)
Additions 920    
Foreign Currency Adjustments (940)    
Intangible Assets, Net, subject to amortization 174,015    
Intangible assets, net 178,515 183,836  
Remaining Weighted Average Amortization Period in Years 12 years 8 months 12 days    
Indefinite-lived Intangible Assets, Beginning Balance   4,500  
Addition to indefinite lived intangible assets        
Indefinite-lived Intangible Assets, Ending Balance 4,500    
Customer Relationships [Member]
      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Intangible assets   170,465  
Accumulated Amortization   (47,777)  
Amortization Expense (2,804)    
Additions 483    
Foreign Currency Adjustments (727)    
Intangible Assets, Net, subject to amortization 119,640    
Remaining Weighted Average Amortization Period in Years 10 years 10 months 24 days    
Backlog [Member]
      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Intangible assets   126,057  
Accumulated Amortization   (119,068)  
Amortization Expense (1,104)    
Additions 393    
Foreign Currency Adjustments (14)    
Intangible Assets, Net, subject to amortization 6,264    
Remaining Weighted Average Amortization Period in Years 2 years    
Trade Names [Member]
      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Intangible assets   32,559  
Accumulated Amortization   (3,014)  
Amortization Expense (271)    
Foreign Currency Adjustments (102)    
Intangible Assets, Net, subject to amortization 29,172    
Remaining Weighted Average Amortization Period in Years 27 years    
Non-compete Agreements [Member]
      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Intangible assets   27,406  
Accumulated Amortization   (20,706)  
Amortization Expense (589)    
Additions 44    
Foreign Currency Adjustments (67)    
Intangible Assets, Net, subject to amortization 6,088    
Remaining Weighted Average Amortization Period in Years 3 years    
Patented Rights and Developed Technology [Member]
      
Finite And Indefinite Lived Intangible Assets [Line Items]      
Intangible assets   20,931  
Accumulated Amortization   (7,517)  
Amortization Expense (533)    
Foreign Currency Adjustments (30)    
Intangible Assets, Net, subject to amortization $ 12,851    
Remaining Weighted Average Amortization Period in Years 6 years 8 months 12 days