XML 43 R32.htm IDEA: XBRL DOCUMENT v3.7.0.1
Description of Business and Summary of Significant Accounting Policies (Finite-lived Intangible Assets) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Document Period End Date     Jun. 30, 2017    
Finite-lived intangible assets, gross $ 102,707   $ 102,707   $ 91,131
Finite-lived intangible assets, accumulated amortization (53,631)   (53,631)   (49,795)
Finite-lived intangible assets, net 49,076   49,076   41,336
Amortization of Acquired Intangible Assets 1,800 $ 1,700 3,600 $ 3,400  
Customer Relationships [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible assets, gross 77,359   $ 77,359   71,338
Customer Relationships [Member] | Minimum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     7 years    
Customer Relationships [Member] | Maximum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     20 years    
Developed technology [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible assets, gross 21,548   $ 21,548   16,011
Developed technology [Member] | Minimum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     3 years    
Developed technology [Member] | Maximum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     12 years    
Trademarks [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible assets, gross 2,684   $ 2,684   2,666
Trademarks [Member] | Minimum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     3 years    
Trademarks [Member] | Maximum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     15 years    
Backlog [Member] | Maximum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     1 year 2 months    
Non-compete agreements [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible assets, gross 764   $ 764   764
Non-compete agreements [Member] | Maximum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     5 years    
Backlog [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible assets, gross 140   $ 140   140
Database [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible assets, gross 212   $ 212   212
Database [Member] | Maximum [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Finite-lived intangible asset, useful life     10 years    
Customer Relationships [Member]          
Finite-Lived and Indefinite-Lived Intangible Assets [Line items]          
Indefinite-lived intangible assets $ 30,887   $ 30,887   $ 30,887