Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS AND INVESTMENTS - Schedule Assets and Liabilities (Details)

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ACQUISITIONS AND INVESTMENTS - Schedule Assets and Liabilities (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Business Acquisition [Line Items]      
Identifiable intangible assets $ 187.4 $ 1,094.1  
Goodwill 6,383.9 6,258.1 $ 4,495.8
Acquired goodwill 283.8 1,842.0  
2021 Acquisitions      
Business Acquisition [Line Items]      
Cash 10.8    
Accounts receivable and other current assets 5.9    
Other assets 6.0    
Identifiable intangible assets 187.4    
Goodwill 283.9    
Total assets acquired 494.0    
Other current liabilities (22.6)    
Other liabilities (26.8)    
Net assets acquired 444.6    
Acquired goodwill $ 201.7 1,400.0  
2020 Acquisitions      
Business Acquisition [Line Items]      
Cash   5.2  
Accounts receivable and other current assets   43.1  
Other assets   26.6  
Identifiable intangible assets   1,094.1  
Goodwill   1,842.7  
Total assets acquired   3,011.7  
Other current liabilities   (27.2)  
Other liabilities   (43.7)  
Net assets acquired   $ 2,940.8