Retirement Benefits (Schedule of Estimated Remaining Cash Contributions) (Details) - Other Postretirement Benefit Plans [Member] $ in Thousands	Mar. 31, 2024 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in the current fiscal year	$ 1,851
United Kingdom [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in the current fiscal year	558
Japan
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in the current fiscal year	$ 493

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.

Reference 1: 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 2: 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

Name:	us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant