Stock-Based Employee Compensation - Summary of Stock Option Activity (Details) - Long-Term Stock Incentive Plan - $ / shares	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Number of Options
Balance at beginning of period (in shares)	2,906,342	4,399,807	4,525,418
Granted (in shares)	479,758	513,829	973,286
Exercised (in shares)	(264,025)	(1,925,247)	(1,025,179)
Forfeited (in shares)	(51,102)	(75,917)	(56,897)
Expired (in shares)	(3,011)	(6,130)	(16,821)
Balance at end of period (in shares)	3,067,962	2,906,342	4,399,807
Exercisable (in shares)	1,747,884	1,410,693	2,754,888
Weighted Average Exercise Price
Balance at beginning of period (in dollars per share)	$ 178.62	$ 131.89	$ 108.87
Granted (in dollars per share)	254.00	237.85	154.62
Exercised (in dollars per share)	123.55	86.92	47.42
Forfeited (in dollars per share)	218.68	192.96	185.59
Expired (in dollars per share)	189.32	226.46	221.16
Balance at end of period (in dollars per share)	194.47	178.62	131.89
Exercisable (in dollars per share)	$ 179.30	$ 161.53	$ 104.94