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Supplemental Disclosure of Noncash Investing and Financing Activities Statement - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Supplemental Disclosure of Noncash Investing and Financing Activities [Abstract]    
Noncash or Part Noncash Acquisition, Investments Acquired $ 6.1 $ 6.4
Noncash or Part Noncash Acquisition, Net Unsettled Security Trades (3.3) (0.9)
Lease Obligation Incurred $ 0.4 $ 0.0