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Business Acquisitions - Summary of Total Purchase Consideration Allocation (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
May 31, 2021
Mar. 31, 2021
Dec. 31, 2020
Business Acquisition [Line Items]        
Goodwill $ 1,484,108     $ 939,259
Wave Optics        
Business Acquisition [Line Items]        
Goodwill   $ 370,236    
Net deferred tax liability   (3,313)    
Other assets acquired and liabilities assumed, net   13,111    
Total   510,444    
Wave Optics | Trademarks        
Business Acquisition [Line Items]        
Finite lived intangible assets   20,584    
Wave Optics | Technology        
Business Acquisition [Line Items]        
Finite lived intangible assets   77,118    
Wave Optics | Customer Relationships        
Business Acquisition [Line Items]        
Finite lived intangible assets   $ 32,708    
Fit Analytics        
Business Acquisition [Line Items]        
Goodwill     $ 88,132  
Net deferred tax liability     (5,643)  
Other assets acquired and liabilities assumed, net     7,160  
Total     124,449  
Fit Analytics | Trademarks        
Business Acquisition [Line Items]        
Finite lived intangible assets     800  
Fit Analytics | Technology        
Business Acquisition [Line Items]        
Finite lived intangible assets     17,000  
Fit Analytics | Customer Relationships        
Business Acquisition [Line Items]        
Finite lived intangible assets     $ 17,000  
Other Acquisitions        
Business Acquisition [Line Items]        
Goodwill 96,292      
Net deferred tax liability (7,273)      
Other assets acquired and liabilities assumed, net 3,079      
Total 123,798      
Other Acquisitions | Technology        
Business Acquisition [Line Items]        
Finite lived intangible assets 27,700      
Other Acquisitions | Customer Relationships        
Business Acquisition [Line Items]        
Finite lived intangible assets $ 4,000      
2020 Acquisitions        
Business Acquisition [Line Items]        
Goodwill       162,747
Net deferred tax liability       (5,741)
Other assets acquired and liabilities assumed, net       1,392
Total       204,510
2020 Acquisitions | Technology        
Business Acquisition [Line Items]        
Finite lived intangible assets       $ 46,112