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Pension and Post-Employment Benefits - Plan Net Pension Credit (Detail) - United Kingdom Plan [Member] $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3.4
Interest cost on PBO	19.1
Expected return on plan assets	(24.5)
Amortization of prior service credit	0.5
Amortization of actuarial net losses	(1.6)
Net periodic benefit	$ (3.1)

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