Stock And Stock-Based Incentive Plans Stock And Stock-Based Incentive Plans (Settled) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, Number of Shares	1,554,029	1,301,862	922,475
Weighted average grant date fair value per share	$ 29.11	$ 33.24	$ 42.31
Cash received from options exercised (in millions)	$ 44.8	$ 17.1	$ 79.8
Intrinsic value of options exercised (in millions)	15.0	7.3	95.2
Realized tax benefits	$ 3.6	$ 1.8	$ 20.6
Cash-Settled Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units granted, Number of Units	915,122	677,783	378,382
Initial weighted average grant date fair value per share	$ 70.69	$ 91.14	$ 136.46
Payments (before payroll tax withholdings) upon vesting	$ 39.0	$ 67.1	$ 92.6
Realized tax benefits	$ 9.7	$ 16.8	$ 23.0
Stock-Settled Market Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units granted, Number of Units	186,678	140,743	82,061
Initial weighted average grant date fair value per share	$ 99.86	$ 125.37	$ 178.15
Realized tax benefits	$ 2.3	$ 2.9	$ 10.4

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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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