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Executive Stock Plans And Stock-Based Compensation (Narrative) (Details) $ in Millions | 12 Months Ended
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Mar. 31, 2023 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | shares | 1,000,000
Unrecognized compensation expense related to stock-based awards | $ | $ 4.9
Unrecognized compensation expense related to stock-based awards, weighted-average period expected to recognized | 10 months 24 days
Performance Share Awards Psas [Member |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period, in years | 3 years
Performance Share Awards Psas [Member | Minimum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of award grant paid | 0.00%
Performance Share Awards Psas [Member | Maximum [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of award grant paid | 150.00%
Plans Before Fiscal 2020 [Member] | Outside Directors [Member] | Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period, in years | 3 years
Plans After Fiscal 2020 [Member] | Outside Directors [Member] | Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period, in years | 1 year
Plans before Fiscal 2022 [Member] | Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period, in years | 5 years
Plans After Fiscal 2022 [Member] | Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period, in years | 3 years

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