XML 120 R89.htm IDEA: XBRL DOCUMENT v3.24.0.1
Retirement Plans, Postretirement and Postemployment Benefits - Schedule of Expected Benefit Payments (Detail)
$ in Millions
Dec. 31, 2023
USD ($)
Pension  
Defined Benefit Plan Disclosure [Line Items]  
2024 $ 50.0
2025 66.3
2026 58.8
2027 62.3
2028 64.7
Years 2029 -2033 341.3
Postretirement Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2024 1.0
2025 1.2
2026 1.1
2027 1.0
2028 0.9
Years 2029 -2033 $ 3.8