Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Summary of Acquired Intangible Assets (Detail)

v3.7.0.1
Intangible Assets - Summary of Acquired Intangible Assets (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 01, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets    
Weighted Average Life 6 years  
Gross Carrying Amount $ 147,279 $ 147,223
Accumulated Amortization $ 51,750 49,120
Patents    
Finite-Lived Intangible Assets    
Weighted Average Life 4 years  
Gross Carrying Amount $ 2,146 2,146
Accumulated Amortization $ 1,497 1,450
Non-compete Agreement    
Finite-Lived Intangible Assets    
Weighted Average Life 3 years  
Gross Carrying Amount $ 2,500 2,500
Accumulated Amortization $ 1,104 979
Trade Names    
Finite-Lived Intangible Assets    
Weighted Average Life 7 years  
Gross Carrying Amount $ 10,199 10,189
Accumulated Amortization $ 3,387 3,153
Completed and Unpatented Technology    
Finite-Lived Intangible Assets    
Weighted Average Life 6 years  
Gross Carrying Amount $ 24,135 24,118
Accumulated Amortization $ 9,830 9,221
Backlog    
Finite-Lived Intangible Assets    
Weighted Average Life 0 years  
Gross Carrying Amount $ 11,224 11,224
Accumulated Amortization $ 11,224 11,224
Customer Relationships    
Finite-Lived Intangible Assets    
Weighted Average Life 11 years  
Gross Carrying Amount $ 97,075 97,046
Accumulated Amortization $ 24,708 $ 23,093