Stock and Stock-Based Incentive Plans (Cash-Settled Restricted Stock Unit Information) (Details) - Cash-settled restricted stock units (RSUs) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	May 31, 2025	May 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	976,031	914,848
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 65.52	$ 67.21
Share-based Compensation Arrangement by Share-based Payment Award, Payments Upon Vesting	$ 45.4	$ 39.6
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit	$ 11.2	$ 9.8