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Stock and Stock-Based Incentive Plans (Schedule of Common Stock Repurchases) (Details) - Share Repurchase Program - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Nov. 30, 2025	Nov. 30, 2024	Nov. 30, 2025	Nov. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares repurchased	4,613,200	1,505,100	10,486,700	4,327,500
Average Cost Per Share	$ 43.71	$ 76.26	$ 55.44	$ 75.05
Available for repurchase, as of end of period	$ 1,355.4	$ 2,035.3	$ 1,355.4	$ 2,035.3

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