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Organization and Summary of Accounting Policies - Rollforward of Goodwill (Details)
$ in Millions
6 Months Ended
Jun. 30, 2022
USD ($)
Goodwill [Roll Forward]  
Goodwill, beginning of period $ 3,911.8
Acquisitions, including post acquisition adjustments 110.7
Disposals and deconsolidations (29.4)
Goodwill, end of period $ 3,993.1