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, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets subject to amortization         $ 426,732
Indefinite-lived Intangible Assets 4,500   4,500   4,500
Intangible assets, gross         431,232
Accumulated Amortization (240,584)   (240,584)   (223,355)
Amortization Expense (8,615) (5,079) (16,860) (10,380)  
Additions     22,368    
Foreign Currency Adjustments     654    
Intangible Assets Subject to Amortization, Net 209,539   209,539    
Intangible assets, net 214,039   214,039   207,877
Remaining Weighted Average Amortization Period in Years     11 years 8 months 12 days    
Customer Relationships [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets subject to amortization         199,224
Accumulated Amortization         (59,417)
Amortization Expense     (7,413)    
Additions     13,322    
Foreign Currency Adjustments     402    
Intangible Assets Subject to Amortization, Net 146,118   146,118    
Remaining Weighted Average Amortization Period in Years     10 years 4 months 24 days    
Backlog [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets subject to amortization         136,831
Accumulated Amortization         (127,233)
Amortization Expense     (6,134)    
Additions     5,855    
Foreign Currency Adjustments     65    
Intangible Assets Subject to Amortization, Net 9,384   9,384    
Remaining Weighted Average Amortization Period in Years     10 months 24 days    
Trade Names [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets subject to amortization         40,342
Accumulated Amortization         (4,228)
Amortization Expense     (957)    
Additions     2,044    
Foreign Currency Adjustments     172    
Intangible Assets Subject to Amortization, Net 37,373   37,373    
Remaining Weighted Average Amortization Period in Years     22 years 6 months    
Non-compete Agreements [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets subject to amortization         28,895
Accumulated Amortization         (22,861)
Amortization Expense     (1,315)    
Additions     743    
Foreign Currency Adjustments     6    
Intangible Assets Subject to Amortization, Net 5,468   5,468    
Remaining Weighted Average Amortization Period in Years     3 years 1 month 6 days    
Patented Rights and Developed Technology [Member]
         
Finite And Indefinite Lived Intangible Assets [Line Items]          
Intangible assets subject to amortization         21,440
Accumulated Amortization         (9,616)
Amortization Expense     (1,041)    
Additions     404    
Foreign Currency Adjustments     9    
Intangible Assets Subject to Amortization, Net $ 11,196   $ 11,196    
Remaining Weighted Average Amortization Period in Years     4 years 10 months 24 days