Quarterly report pursuant to Section 13 or 15(d)

Business Combinations (Details)

v3.3.0.814
Business Combinations (Details)
$ in Thousands
 3 Months Ended
Sep. 30, 2015
USD ($)
acquisition
Dec. 31, 2014
USD ($)
Business Acquisition [Line Items]    
Number of acquisitions | acquisition 4  
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]    
Goodwill $ 91,605 $ 53,014
Q3 2015 Acquisitions    
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]    
Goodwill 38,832  
Accounts receivable 6,814  
Property and equipment 1,783  
Deferred tax liability (12,952)  
Accrued expenses (4,045)  
Other liabilities assumed, net of assets acquired (2,033)  
Total consideration transferred $ 69,599  
Q3 2015 Acquisitions | Customer relationships    
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]    
Acquired finite-lived intangible assets, weighted average useful life 8 years  
Finite-lived intangible assets acquired $ 19,200  
Q3 2015 Acquisitions | Developed technology    
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]    
Acquired finite-lived intangible assets, weighted average useful life 7 years 2 months 1 day  
Finite-lived intangible assets acquired $ 21,800  
Q3 2015 Acquisitions | Trade name    
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]    
Acquired finite-lived intangible assets, weighted average useful life 5 years  
Finite-lived intangible assets acquired $ 200