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Schedule of Pension Plans with Accumulated Benefit Obligation and Projected Benefit Obligation in Excess of Plan Assets (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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UNITED STATES |  |
Defined Benefit Plan Disclosure |  |
Projected benefit obligation | $ 58.0 | $ 60.8
Accumulated benefit obligation | 55.7 | 58.5
Foreign Pension Plans, Defined Benefit |  |
Defined Benefit Plan Disclosure |  |
Projected benefit obligation | 45.8 | 51.0
Accumulated benefit obligation | 42.5 | 46.5
Fair value of plan assets | $ 2.0 | $ 1.9

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