Retirement Benefits (Future Pension Benefit Payments) (Details) - Pension Plan [Member] $ in Thousands	Dec. 31, 2020 USD ($)
United States [Member]
Pension Postretirement And Other Retirement Plans [Line Items]
2021	$ 20,587
2022	20,696
2023	20,262
2024	20,087
2025	20,004
2026-2030	93,327
Non-U.S. Pension Plans [Member]
Pension Postretirement And Other Retirement Plans [Line Items]
2021	4,040
2022	4,876
2023	4,063
2024	4,088
2025	4,266
2026-2030	$ 24,858

Pension Postretirement And Other Retirement Plans [Line Items]

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- Definition

Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following 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 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

+ References

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- Definition

Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.

+ References

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- Definition

Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

+ References

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

+ References

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