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Leases (Details 1) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Leases      
Operating lease expense $ 50.1 $ 51.0 $ 55.6
Variable lease expense 164.3 142.6 116.0
Total lease expense $ 214.4 $ 193.6 $ 171.6