v3.22.2.2
Acquisitions - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended 19 Months Ended
Nov. 15, 2021
Nov. 05, 2021
Jan. 08, 2021
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Jun. 15, 2023
Business Acquisition [Line Items]                  
Transaction costs       $ 5.3 $ 2.1 $ 17.3 $ 7.2    
Eyeota                  
Business Acquisition [Line Items]                  
Ownership interest acquired (as a percent)   100.00%              
Consideration transferred   $ 172.4              
Net working capital adjustment   $ 0.1              
Transaction costs               $ 3.0  
Weighted average useful life of acquired intangible assets           10 years 1 month 6 days      
Eyeota | Minimum                  
Business Acquisition [Line Items]                  
Acquired finite-lived intangible assets, useful life           2 years      
Eyeota | Maximum                  
Business Acquisition [Line Items]                  
Acquired finite-lived intangible assets, useful life           14 years      
NetWise                  
Business Acquisition [Line Items]                  
Ownership interest acquired (as a percent) 100.00%                
Consideration transferred $ 69.8                
Net working capital adjustment       $ 0.4   $ 0.4      
Transaction costs               $ 0.4  
Weighted average useful life of acquired intangible assets           13 years 2 months 12 days      
Payments to acquire business $ 62.9                
Business combination, consideration due 19 months                
NetWise | Forecast                  
Business Acquisition [Line Items]                  
Payments to acquire business                 $ 6.9
NetWise | Minimum                  
Business Acquisition [Line Items]                  
Acquired finite-lived intangible assets, useful life           2 years      
NetWise | Maximum                  
Business Acquisition [Line Items]                  
Acquired finite-lived intangible assets, useful life           15 years      
Bisnode                  
Business Acquisition [Line Items]                  
Ownership interest acquired (as a percent)     100.00%            
Consideration transferred     $ 805.8            
Payments to acquire business     $ 646.9            
Stock issued in acquisition (shares)     6,237,087            
Cash consideration transferred from issuance of common and preferred shares     $ 158.9            
Bisnode | 2026 Term Loan                  
Business Acquisition [Line Items]                  
Proceeds from borrowings on Credit Facility     $ 300.0