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Acquisitions (Tables)
12 Months Ended
Dec. 31, 2021
Business Combination and Asset Acquisition [Abstract]  
Purchase Price and Related Allocation
The purchase price and allocation are shown below (in millions):
December 31,
2020
Net purchase price$321.7 
Other assets purchased and liabilities assumed, net$12.1 
Goodwill219.5 
Intangible assets90.1 
Purchase price allocation$321.7