Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Other Intangible Assets (Detail)

v2.4.0.8
Goodwill and Other Intangible Assets - Other Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets         $ 377,418
Intangible assets, gross         381,918
Accumulated Amortization (206,830)   (206,830)   (198,082)
Amortization Expense (5,079) (9,326) (10,380) (18,491)  
Additions     920    
Foreign Currency Adjustments     (2,505)    
Intangible Assets, Net, subject to amortization 167,371   167,371    
Intangible assets, net 171,871   171,871   183,836
Remaining Weighted Average Amortization Period in Years     12 years 6 months    
Indefinite-lived Intangible Assets, Beginning Balance 4,500   4,500   4,500
Indefinite-lived Intangible Assets, Ending Balance 4,500   4,500   4,500
Customer Relationships [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets         170,465
Accumulated Amortization         (47,777)
Amortization Expense     (5,601)    
Additions     483    
Foreign Currency Adjustments     (1,891)    
Intangible Assets, Net, subject to amortization 115,679   115,679    
Remaining Weighted Average Amortization Period in Years     10 years 8 months 12 days    
Backlog [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets         126,057
Accumulated Amortization         (119,068)
Amortization Expense     (1,999)    
Additions     393    
Foreign Currency Adjustments     (23)    
Intangible Assets, Net, subject to amortization 5,360   5,360    
Remaining Weighted Average Amortization Period in Years     2 years 1 month 6 days    
Trade Names [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets         32,559
Accumulated Amortization         (3,014)
Amortization Expense     (541)    
Foreign Currency Adjustments     (317)    
Intangible Assets, Net, subject to amortization 28,687   28,687    
Remaining Weighted Average Amortization Period in Years     26 years 8 months 12 days    
Non-compete Agreements [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets         27,406
Accumulated Amortization         (20,706)
Amortization Expense     (1,173)    
Additions     44    
Foreign Currency Adjustments     (199)    
Intangible Assets, Net, subject to amortization 5,372   5,372    
Remaining Weighted Average Amortization Period in Years     2 years 9 months 18 days    
Patented Rights and Developed Technology [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets         20,931
Accumulated Amortization         (7,517)
Amortization Expense     (1,066)    
Foreign Currency Adjustments     (75)    
Intangible Assets, Net, subject to amortization $ 12,273   $ 12,273    
Remaining Weighted Average Amortization Period in Years     6 years 6 months