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Retirement Plans - Weighted-Average Expense Assumptions (Details) - Defined benefit pension and post-retirement life plans
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]    
Discount rate 5.02% 5.21%
Effective interest rate for calculation of interest cost 4.91% 5.09%
Expected return on plan assets 6.40% 6.90%