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Pension and Postretirement Benefits (Plan Assets) (Details) - Pension Plan - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
United States |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | $ 365,044 | $ 488,281
Return (Loss) on plan assets | 29,323 | (84,785)
Company contributions | 3,143 | 639
Benefits paid | (35,941) | (39,091)
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement | (395) | 0
Ending balance | 361,174 | 365,044
Fair Value | 361,174 | 365,044
United States | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 4,072 |
Ending balance | 5,798 | 4,072
Fair Value | 5,798 | 4,072
United States | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 360,972 |
Ending balance | 355,376 | 360,972
Fair Value | 355,376 | 360,972
United States | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Cash and Cash Equivalents |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 4,072 |
Ending balance | 5,798 | 4,072
Fair Value | 5,798 | 4,072
United States | Cash and Cash Equivalents | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 4,072 |
Ending balance | 5,798 | 4,072
Fair Value | 5,798 | 4,072
United States | Cash and Cash Equivalents | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Cash and Cash Equivalents | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Global Equity |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 77,217 |
Ending balance | 76,217 | 77,217
Fair Value | 76,217 | 77,217
United States | Global Equity | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Global Equity | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 77,217 |
Ending balance | 76,217 | 77,217
Fair Value | 76,217 | 77,217
United States | Global Equity | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Global Real Assets |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 46,476 |
Ending balance | 54,025 | 46,476
Fair Value | 54,025 | 46,476
United States | Global Real Assets | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Global Real Assets | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 46,476 |
Ending balance | 54,025 | 46,476
Fair Value | 54,025 | 46,476
United States | Global Real Assets | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Diversified Credit |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 64,877 |
Ending balance | 54,756 | 64,877
Fair Value | 54,756 | 64,877
United States | Diversified Credit | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Diversified Credit | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 64,877 |
Ending balance | 54,756 | 64,877
Fair Value | 54,756 | 64,877
United States | Diversified Credit | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Liability Driven Investment |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 172,402 |
Ending balance | 170,378 | 172,402
Fair Value | 170,378 | 172,402
United States | Liability Driven Investment | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
United States | Liability Driven Investment | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 172,402 |
Ending balance | 170,378 | 172,402
Fair Value | 170,378 | 172,402
United States | Liability Driven Investment | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 172,276 | 275,941
Return (Loss) on plan assets | 4,444 | (71,104)
Company contributions | 10,221 | 15,657
Benefits paid | (15,181) | (15,797)
Employee contributions | 80 | 71
Settlements | (967) | (8,039)
Currency translation impact | 8,577 | (24,453)
Ending balance | 179,450 | 172,276
Fair Value | 179,450 | 172,276
Foreign Plan | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 2,134 |
Ending balance | 706 | 2,134
Fair Value | 706 | 2,134
Foreign Plan | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 120,767 |
Ending balance | 126,132 | 120,767
Fair Value | 126,132 | 120,767
Foreign Plan | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 49,375 |
Ending balance | 52,612 | 49,375
Fair Value | 52,612 | 49,375
Foreign Plan | Cash and Cash Equivalents |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 2,134 |
Ending balance | 706 | 2,134
Fair Value | 706 | 2,134
Foreign Plan | Cash and Cash Equivalents | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 2,134 |
Ending balance | 706 | 2,134
Fair Value | 706 | 2,134
Foreign Plan | Cash and Cash Equivalents | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Cash and Cash Equivalents | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | U.K. Government Gilt Index |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 65,650 |
Ending balance | 69,566 | 65,650
Fair Value | 69,566 | 65,650
Foreign Plan | U.K. Government Gilt Index | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | U.K. Government Gilt Index | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 65,650 |
Ending balance | 69,566 | 65,650
Fair Value | 69,566 | 65,650
Foreign Plan | U.K. Government Gilt Index | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Liability Driven Investment |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 20,849 |
Ending balance | 21,873 | 20,849
Fair Value | 21,873 | 20,849
Foreign Plan | Liability Driven Investment | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Liability Driven Investment | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 20,849 |
Ending balance | 21,873 | 20,849
Fair Value | 21,873 | 20,849
Foreign Plan | Liability Driven Investment | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Multi-Asset Category |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 34,268 |
Ending balance | 34,693 | 34,268
Fair Value | 34,693 | 34,268
Foreign Plan | Multi-Asset Category | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Multi-Asset Category | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 34,268 |
Ending balance | 34,693 | 34,268
Fair Value | 34,693 | 34,268
Foreign Plan | Multi-Asset Category | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Buy-in Contracts |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 32,313 |
Ending balance | 31,692 | 32,313
Fair Value | 31,692 | 32,313
Foreign Plan | Buy-in Contracts | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Buy-in Contracts | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Buy-in Contracts | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Ending balance | 31,692 |
Fair Value | 31,692 |
Foreign Plan | Other types |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 17,062 |
Ending balance | 20,920 | 17,062
Fair Value | 20,920 | 17,062
Foreign Plan | Other types | Hierarchial Level 1 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Other types | Hierarchial Level 2 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 0 |
Ending balance | 0 | 0
Fair Value | 0 | 0
Foreign Plan | Other types | Hierarchial Level 3 |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 17,062 |
Ending balance | 20,920 | 17,062
Fair Value | 20,920 | 17,062
Netherlands | Buy-in Contracts |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 15,700 |
Ending balance | 16,900 | 15,700
Fair Value | 16,900 | 15,700
United Kingdom | Buy-in Contracts |  |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |
Beginning balance | 16,600 |
Ending balance | 14,800 | 16,600
Fair Value | $ 14,800 | $ 16,600

X
- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 60 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480266/715-60-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(5) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of contributions received by defined benefit plan from participant which increases plan assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of (increase) decrease to benefit obligation of defined benefit plan from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Includes, but is not limited to, lump-sum cash payment to participant in exchange for right to receive specified benefits, purchase of nonparticipating annuity contract and change from remeasurement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(10) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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