Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Amortization Expense (Detail)

v3.6.0.2
Intangible Assets - Amortization Expense (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]      
Total amortization $ 13,155 $ 11,745 $ 7,432
Technology [Member]      
Finite-Lived Intangible Assets [Line Items]      
Total amortization 3,407 3,916 3,993
Customer related [Member]      
Finite-Lived Intangible Assets [Line Items]      
Total amortization 3,452 2,938 1,892
Trade names [Member]      
Finite-Lived Intangible Assets [Line Items]      
Total amortization 4,115 3,159 0
Internally Developed Software [Member]      
Finite-Lived Intangible Assets [Line Items]      
Total amortization 2,069 1,620 1,434
Patents [Member]      
Finite-Lived Intangible Assets [Line Items]      
Total amortization $ 112 $ 112 $ 113