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ACQUISITION - Purchase Price Allocation (Detail) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Asset Acquisition [Line Items]      
Goodwill $ 2,784.9 $ 2,815.7 $ 2,819.3
Series of individual business acquisitions      
Asset Acquisition [Line Items]      
Fixed assets   0.5  
Intangibles   20.0  
Goodwill   22.0  
Other assets and liabilities, net   0.9  
Total purchase price   $ 43.4