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Retirement Benefit Plans - Summary of Benefits Expected to be Paid Out (Detail)
$ in Millions
Dec. 31, 2023
USD ($)
United States [Member]  
Schedule of Expected Future Pension Benefit Payment [Line Items]  
2024 $ 24.4
2025 25.7
2026 25.9
2027 26.3
2028 26.8
2029-2033 133.5
Foreign [Member]  
Schedule of Expected Future Pension Benefit Payment [Line Items]  
2024 37.1
2025 38.9
2026 37.0
2027 37.8
2028 36.9
2029-2033 $ 173.3