Treasury Stock - Additional Information (Detail) - USD ($)	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022	Nov. 30, 2022
Number of shares of common stock authorized to repurchase	39,000,000			1,000,000
Number of shares of common stock repurchased	215,313	598,241	566,073
Treasury stock, value, acquired, cost method	$ 45,710,000	$ 93,675,000	$ 90,085,000
Average price per share of common stock	$ 212.29	$ 156.58	$ 159.14
Director [Member]
Average price per share of common stock	$ 246.83