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Employee Benefit Plans - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Contribution Plans        
Total expenses   $ 11.3 $ 13.6 $ 17.8
Defined Benefit Plan        
Defined benefit pension plan settlement charges $ 109.8     109.8
Net Periodic Benefit Cost        
Net periodic benefit cost       $ 9.4