Income Taxes - Income Tax Contingencies (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2023
Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits that Would Impact Effective Tax Rate, Beginning of period	$ 416.1	$ 344.3	$ 279.0
Increases as a result of tax positions taken during a prior period	51.8	48.1	51.5
Decreases as a result of tax positions taken during a prior period	(124.7)	(2.5)	(3.4)
Increases as a result of tax positions taken during the current period	28.0	31.5	36.8
Decreases related to settlements with tax authorities	(43.9)	(2.8)	(15.2)
Decreases related to lapse of applicable statute of limitations	(8.4)	(2.5)	(4.4)
Unrecognized Tax Benefits that Would Impact Effective Tax Rate, end of period	$ 318.9	$ 416.1	$ 344.3

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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