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Treasury Stock - Additional Information (Detail) - USD ($)	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023	Nov. 30, 2022
Number of shares of common stock authorized to repurchase	117,000,000			3,000,000
Number of shares of common stock repurchased	377,154	645,939	1,794,723
Treasury stock, value, acquired, cost method	$ 37,605,000	$ 45,710,000	$ 93,675,000
Average price per share of common stock	$ 99.71	$ 70.76	$ 52.19
Nineteen Ninety Six Share Repurchase Program [Member]
Number of shares of common stock repurchased	46,715
Treasury stock, value, acquired, cost method	$ 5,200,000
Average price per share of common stock	$ 112.34

X

- Definition

Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

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-Section 50
-Paragraph 4
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-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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