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Retirement Benefits (Schedule of Estimated Remaining Cash Contributions) (Details) $ in Thousands | Dec. 31, 2020 USD ($)
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Other Postretirement Benefit Plans [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Estimated future employer contributions in the currect fiscal year | $ 3,075
United Kingdom | Pension Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Estimated future employer contributions in the currect fiscal year | 512
Germany [Member] | Pension Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Estimated future employer contributions in the currect fiscal year | $ 868

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- Definition Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4587-114921 + Details
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