Benefit Plans - Accumulated Benefit Obligation (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Defined Benefit Pension Plans | United States | ||
| Defined Benefit Plan Disclosure | ||
| Accumulated benefit obligation | $ 288,482 | $ 266,992 |
| Defined Benefit Plan, Funded (Unfunded) Status of Plan | ||
| Projected benefit obligation | 288,482 | 267,392 |
| Accumulated benefit obligation | 288,482 | 266,992 |
| Fair value of plan assets | 263,837 | 231,413 |
| Defined Benefit Pension Plans | Foreign | ||
| Defined Benefit Plan Disclosure | ||
| Accumulated benefit obligation | 110,605 | 96,891 |
| Defined Benefit Plan, Funded (Unfunded) Status of Plan | ||
| Projected benefit obligation | 92,679 | 82,662 |
| Accumulated benefit obligation | 88,394 | 80,021 |
| Fair value of plan assets | 76,658 | 68,104 |
| Supplemental Retirement Plans | ||
| Defined Benefit Plan Disclosure | ||
| Accumulated benefit obligation | $ 12,415 | $ 11,652 |
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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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