Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Summary of Acquired Intangible Assets (Detail)

v3.6.0.2
Intangible Assets - Summary of Acquired Intangible Assets (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets    
Weighted Average Life 6 years  
Gross Carrying Amount $ 147,223 $ 146,593
Accumulated Amortization $ 49,120 38,317
Patents    
Finite-Lived Intangible Assets    
Weighted Average Life 4 years  
Gross Carrying Amount $ 2,146 2,146
Accumulated Amortization $ 1,450 1,264
Noncompete Agreement    
Finite-Lived Intangible Assets    
Weighted Average Life 3 years  
Gross Carrying Amount $ 2,500 2,500
Accumulated Amortization $ 979 479
Trade Names    
Finite-Lived Intangible Assets    
Weighted Average Life 7 years  
Gross Carrying Amount $ 10,189 10,217
Accumulated Amortization $ 3,153 2,216
Completed and Unpatented Technology    
Finite-Lived Intangible Assets    
Weighted Average Life 6 years  
Gross Carrying Amount $ 24,118 24,056
Accumulated Amortization $ 9,221 6,795
Backlog    
Finite-Lived Intangible Assets    
Weighted Average Life 0 years  
Gross Carrying Amount $ 11,224 11,202
Accumulated Amortization $ 11,224 10,793
Customer Relationships    
Finite-Lived Intangible Assets    
Weighted Average Life 12 years  
Gross Carrying Amount $ 97,046 96,472
Accumulated Amortization $ 23,093 $ 16,770