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Retirement Plans - Defined Benefit Plan, Estimated Future Benefit Payments (Detail) $ in Thousands | Dec. 31, 2018 USD ($)
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Defined Benefit Plan Disclosure [Line Items] |
2019 | $ 2,635
2020 | 3,712
2021 | 4,025
2022 | 4,128
2023 | 4,404
2024 - 2028 | 26,423
U S Pension Plans And U S Retiree Healthcare Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
2019 | 1,084
2020 | 1,160
2021 | 1,243
2022 | 1,307
2023 | 1,366
2024 - 2028 | 7,146
Non-U.S. Pension Plans [Member] |
Defined Benefit Plan Disclosure [Line Items] |
2019 | 1,551
2020 | 2,552
2021 | 2,782
2022 | 2,821
2023 | 3,038
2024 - 2028 | $ 19,277

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