Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Summary of Acquired Intangible Assets (Detail)

v3.3.1.900
Intangible Assets - Summary of Acquired Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets    
Weighted average useful life (in years) 6 years  
Gross carrying amount $ 146,593 $ 122,005
Accumulated amortization $ 38,317 27,014
Patents    
Finite-Lived Intangible Assets    
Weighted average useful life (in years) 5 years  
Gross carrying amount $ 2,146 2,146
Accumulated amortization $ 1,264 1,077
Noncompete Agreements    
Finite-Lived Intangible Assets    
Weighted average useful life (in years) 4 years  
Gross carrying amount $ 2,500 0
Accumulated amortization $ 479 0
Trade Names    
Finite-Lived Intangible Assets    
Weighted average useful life (in years) 8 years  
Gross carrying amount $ 10,217 8,304
Accumulated amortization $ 2,216 1,288
Completed and Unpatented Technology    
Finite-Lived Intangible Assets    
Weighted average useful life (in years) 7 years  
Gross carrying amount $ 24,056 18,107
Accumulated amortization $ 6,795 4,396
Backlog    
Finite-Lived Intangible Assets    
Weighted average useful life (in years) 1 year  
Gross carrying amount $ 11,202 10,902
Accumulated amortization $ 10,793 9,629
Customer Relationships    
Finite-Lived Intangible Assets    
Weighted average useful life (in years) 13 years  
Gross carrying amount $ 96,472 82,546
Accumulated amortization $ 16,770 $ 10,624