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Retirement Plans - Additional Information (Detail) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) Participant | Dec. 31, 2017 USD ($)
Defined Benefit Plan Disclosure |  |  |
Number of retiree participants | Participant |  | 1,700 |
Defined Benefit Plan, decrease in benefit obligation |  | $ 151,300 |
Defined Benefit Plan, decrease in plan assets |  | (151,300) |
Gain (Loss) Due to Settlement |  | (300) |
Fair value of pension plans assets totaled | $ 168,500 |  |
Transfer out of level 3 |  | $ 2,700 |
United States Plans |  |  |
Defined Benefit Plan Disclosure |  |  |
Percentage of expected return on plan assets assumption | 4.25% |  |
Discount rate utilized to determine future pension obligations | 3.10% | 4.15% |
Fair value of pension plans assets totaled | $ 166,900 |  |
U.S. Supplemental Executive Defined Benefit Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Contribution to defined benefit pension plans | 900 | $ 2,600 |
Contribution to defined benefit pension plans in 2018 | 2,800 |  |
Non-United States Subsidiaries |  |  |
Defined Benefit Plan Disclosure |  |  |
Contribution to defined benefit pension plans |  | 800 |
Contribution to defined benefit pension plans in 2018 | 1,000 |  |
Taiwan Defined Benefit Pension Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Fair value of pension plans assets totaled | 1,600 |  |
UNITED STATES |  |  |
Defined Benefit Plan Disclosure |  |  |
Accumulated benefit obligation for defined benefit pension plans | $ 198,200 | $ 172,800 |
Percentage of expected return on plan assets assumption | 4.30% | 4.30% | 4.00%
Discount rate utilized to determine future pension obligations | 3.00% | 4.10% |
Fair value of pension plans assets totaled | $ 166,932 | $ 144,301 | $ 324,506
Contribution to defined benefit pension plans | 2,805 | 2,587 |
Foreign Pension Plans, Defined Benefit |  |  |
Defined Benefit Plan Disclosure |  |  |
Accumulated benefit obligation for defined benefit pension plans | $ 39,900 | $ 35,600 |
Percentage of expected return on plan assets assumption | 2.00% | 1.50% | 2.00%
Discount rate utilized to determine future pension obligations | 1.10% | 1.80% |
Fair value of pension plans assets totaled | $ 1,586 | $ 1,400 | $ 1,307
Contribution to defined benefit pension plans | $ 923 | $ 822 |

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- Definition Defined Benefit Plan Number of Retiree Participants Who Had Deferred Vested Benefits Transferred to Insurance + References No definition available. + Details
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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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