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v3.23.2

Pension and Post-Employment Benefits - Plan Net Pension Credit (Detail) - GERMANY - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | $ (0.9) | $ (0.6) | $ (1.8) | $ (1.2)
Interest cost on projected benefit obligation | (5.0) | (2.6) | (9.9) | (5.4)
Expected return on plan assets | 6.3 | 4.2 | 12.5 | 8.5
Amortization of prior service cost | (0.1) | (0.2) | (0.2) | (0.3)
Amortization of actuarial net gains/(losses) | 0.5 | (0.2) | 1.0 | (0.3)
Net periodic benefit | $ 0.8 | $ 0.6 | $ 1.6 | $ 1.3

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