Stock and Stock-Based Incentive Plans (Stock Option Activity) (Details) - Equity Option [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	May 31, 2022	May 31, 2021	Feb. 28, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 81.72		$ 79.66
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	$ 120,988
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	6,972,000		5,796,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	(49,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period	(39,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	1,263,797	917,455
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 91.14
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price	70.25
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	$ 95.00
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	4 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 155,771
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	4,134,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 72.55
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	3 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 33.32	$ 42.33
Proceeds from Stock Options Exercised	$ 3,400	$ 21,600
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	1,200	28,000
Share-based Payment Arrangement, Tax Benefit	$ 300	$ 6,900