Pension and Post-Employment Benefits - Plan Net Pension Credit (Detail) - GERMANY - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ (0.9)	$ (0.6)
Interest cost on projected benefit obligation	(4.9)	(2.8)
Expected return on plan assets	6.2	4.3
Amortization of prior service cost	(0.1)	(0.1)
Amortization of actuarial net gains/(losses)	0.5	(0.1)
Net periodic benefit	$ 0.8	$ 0.7