Net Periodic Benefit Cost (Narratives) (Details)	12 Months Ended
Mar. 31, 2020 USD ($)
Scenario, Forecast [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned contributions to pension plans in fiscal 2019	$ 11,142,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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