XML 68 R60.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Retirement Plans - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Defined Benefit Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Contributions to pension plans $ 5.2 $ 5.2
Estimated employer contribution to pension plans during remainder of current fiscal year 20.0  
Retiree Health Care Plan    
Defined Benefit Plan Disclosure [Line Items]    
Contributions to pension plans $ 0.3 $ 0.3