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Retirement Plans And Postretirement Benefits (Reconciliation Of Pension Plans' Benefit Obligations, Fair Value Of Assets Retirement Plans) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Changes in Plan Assets: |  |  |
Fair value of plan assets at beginning of period | $ 107,714 |  |
Fair value of plan assets at end of year | 108,377 | $ 107,714 |
United States |  |  |
Changes in Benefit Obligation: |  |  |
Net benefit obligation at beginning of period | 99,993 | 129,906 |
Service cost | 1,483 | 1,390 | $ 1,328
Interest cost | 4,722 | 3,242 | 2,962
Participant contributions | 0 | 0 |
Plan settlements | 0 | 0 |
Foreign currency exchange changes | 0 | 0 |
Actuarial loss (gain) | 1,516 | (24,202) |
Benefits paid | (10,392) | (10,343) |
Net benefit obligation at end of period | 97,322 | 99,993 | 129,906
Changes in Plan Assets: |  |  |
Fair value of plan assets at beginning of period | 80,006 | 109,961 |
Actual return on plan assets | 8,382 | (20,061) |
Foreign currency exchange rate changes | 0 | 0 |
Plan settlements | 0 | 0 |
Employer contributions | 400 | 449 |
Participant contributions | 0 | 0 |
Benefits paid | (10,392) | (10,343) |
Fair value of plan assets at end of year | 78,396 | 80,006 | 109,961
Funded status (underfunded): | (18,926) | (19,987) |
Other accrued liabilities | (324) | (409) |
Other long-term obligations | (18,602) | (19,578) |
Net amount recognized | (18,926) | (19,987) |
Foreign |  |  |
Changes in Benefit Obligation: |  |  |
Net benefit obligation at beginning of period | 31,065 | 38,571 |
Service cost | 1,053 | 1,220 | 1,349
Interest cost | 870 | 227 | 111
Participant contributions | 501 | 557 |
Plan settlements | (1,609) | 0 |
Foreign currency exchange changes | 2,983 | (660) |
Actuarial loss (gain) | 3,694 | (7,293) |
Benefits paid | (1,076) | (1,557) |
Net benefit obligation at end of period | 37,481 | 31,065 | 38,571
Changes in Plan Assets: |  |  |
Fair value of plan assets at beginning of period | 27,708 | 26,913 |
Actual return on plan assets | 645 | 1,148 |
Foreign currency exchange rate changes | 2,609 | (325) |
Plan settlements | (1,609) | 0 |
Employer contributions | 1,203 | 972 |
Participant contributions | 501 | 557 |
Benefits paid | (1,076) | (1,557) |
Fair value of plan assets at end of year | 29,981 | 27,708 | $ 26,913
Funded status (underfunded): | (7,500) | (3,357) |
Other accrued liabilities | (34) | (167) |
Other long-term obligations | (7,466) | (3,190) |
Net amount recognized | $ (7,500) | $ (3,357) |

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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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