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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Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Amount of excise tax on share purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Shareholder's Equity (Details) - USD ($) $ in Thousands, shares in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024	Feb. 09, 2026	May 31, 2024
Share Repurchase Program [Line Items]
Shares of common stock repurchased and retired (in shares)	11.4	3.4
Value of common stock shares repurchased and retired	$ 478,700	$ 172,600
Excises taxes as part of the costs of shares repurchased	1,731	$ 0	$ 0
2024 Share Repurchase Program
Share Repurchase Program [Line Items]
Amount of common stock authorized under share repurchase program					$ 500,000
2026 Share Repurchase Program
Share Repurchase Program [Line Items]
Amount of common stock authorized under share repurchase program				$ 1,000,000
Value common stock shares remaining shares available for future repurchases	$ 848,600