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Pensions and Other Postretirement Benefit Plans (Schedule of Net Periodic Benefit Plan Cost) (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items] |  |
Pension charges | $ 49,100 |
Pension plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Service cost | 1,061 | $ 1,630
Interest cost | 4,235 | 3,999
Expected return on assets | (5,099) | (4,802)
Amortization of prior service cost/(credit) | (2) | 10
Amortization of net actuarial loss | 1,493 | 1,625
Net periodic benefit cost/(credit) | 1,688 | 2,462
Settlement charge | 49,128 | 0
Net benefit cost/(credit) | 50,816 | 2,462
Other postretirement benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Service cost | 86 | 99
Interest cost | 916 | 827
Expected return on assets | 0 | 0
Amortization of prior service cost/(credit) | (3,366) | (3,366)
Amortization of net actuarial loss | 1,412 | 1,695
Net periodic benefit cost/(credit) | (952) | (745)
Settlement charge | 0 | 0
Net benefit cost/(credit) | $ (952) | $ (745)

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- Definition Amount of cost recognized for passage of time related to defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(2) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920 + Details
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