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Common And Preferred Stock (Schedule Of Repurchases Of Shares) (Details) - Common Stock [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Class of Stock [Line Items]
Stock Repurchased During Period, Shares	0	100,000	66,124
Cost of shares repurchased (in thousands of dollars)	$ 0	$ 4,744	$ 3,448
Weighted-average cost per share	$ 0	$ 47.44	$ 52.12

X

- Definition

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.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Common stock weighted average cost per share

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Stock repurchased and retired during period value common stock.

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