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Employee Retirement Plans (Narrative) (Details)	9 Months Ended
	Dec. 31, 2019 USD ($)
Non-qualified Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	$ 300,000
Expected employer contributions, remainder of fiscal year	100,000
Qualified Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	1,000,000.0
Expected employer contributions, remainder of fiscal year	$ 0

X

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

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-Publisher FASB
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X

- Definition

Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year.

+ References

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No definition available.

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