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Leases - Components of Lease Expense (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Leases [Abstract]        
Operating lease cost $ 7.5 $ 7.8 $ 15.8 $ 16.8
Variable lease cost 3.4 1.4 5.9 2.6
Total lease cost $ 10.9 $ 9.2 $ 21.7 $ 19.4